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/linux/include/linux/
H A D	pagemap.h	21 unsigned long invalidate_mapping_pages(struct address_space mapping, 30 int invalidate_inode_pages2(struct address_space mapping); 31 int invalidate_inode_pages2_range(struct address_space mapping, 35 int filemap_invalidate_pages(struct address_space mapping, 41 int filemap_flush_nr(struct address_space mapping, long nr_to_write); 42 int filemap_fdatawait_keep_errors(struct address_space mapping); 44 int filemap_fdatawait_range_keep_errors(struct address_space mapping, 49 static inline int filemap_fdatawait(struct address_space mapping) in filemap_fdatawait() argument 51 return filemap_fdatawait_range(mapping, 0, LLONG_MAX); in filemap_fdatawait() 55 int filemap_write_and_wait_range(struct address_space mapping, [all …]
H A D	io-mapping.h	17 * The io_mapping mechanism provides an abstraction for mapping 20 * See Documentation/driver-api/io-mapping.rst 35 * For small address space machines, mapping large objects 58 io_mapping_fini(struct io_mapping mapping) in io_mapping_fini() argument 60 iomap_free(mapping->base, mapping->size); in io_mapping_fini() 65 io_mapping_map_atomic_wc(struct io_mapping mapping, in io_mapping_map_atomic_wc() argument 70 BUG_ON(offset >= mapping->size); in io_mapping_map_atomic_wc() 71 phys_addr = mapping->base + offset; in io_mapping_map_atomic_wc() 77 return __iomap_local_pfn_prot(PHYS_PFN(phys_addr), mapping->prot); in io_mapping_map_atomic_wc() 92 io_mapping_map_local_wc(struct io_mapping *mapping, unsigned long offset) in io_mapping_map_local_wc() argument [all …]
/linux/mm/
H A D	truncate.c	26 static void clear_shadow_entries(struct address_space mapping, in clear_shadow_entries() argument 29 XA_STATE(xas, &mapping->i_pages, start); in clear_shadow_entries() 33 if (shmem_mapping(mapping) \|\| dax_mapping(mapping)) in clear_shadow_entries() 38 spin_lock(&mapping->host->i_lock); in clear_shadow_entries() 48 if (mapping_shrinkable(mapping)) in clear_shadow_entries() 49 inode_lru_list_add(mapping->host); in clear_shadow_entries() 50 spin_unlock(&mapping->host->i_lock); in clear_shadow_entries() 60 static void truncate_folio_batch_exceptionals(struct address_space mapping, in truncate_folio_batch_exceptionals() argument 63 XA_STATE(xas, &mapping in truncate_folio_batch_exceptionals() 170 truncate_inode_folio(struct address_space * mapping,struct folio * folio) truncate_inode_folio() argument 299 generic_error_remove_folio(struct address_space * mapping,struct folio * folio) generic_error_remove_folio() argument 325 mapping_evict_folio(struct address_space * mapping,struct folio * folio) mapping_evict_folio() argument 366 truncate_inode_pages_range(struct address_space * mapping,loff_t lstart,uoff_t lend) truncate_inode_pages_range() argument 483 truncate_inode_pages(struct address_space * mapping,loff_t lstart) truncate_inode_pages() argument 498 truncate_inode_pages_final(struct address_space * mapping) truncate_inode_pages_final() argument 534 mapping_try_invalidate(struct address_space * mapping,pgoff_t start,pgoff_t end,unsigned long * nr_failed) mapping_try_invalidate() argument 599 invalidate_mapping_pages(struct address_space * mapping,pgoff_t start,pgoff_t end) invalidate_mapping_pages() argument 606 folio_launder(struct address_space * mapping,struct folio * folio) folio_launder() argument 622 folio_unmap_invalidate(struct address_space * mapping,struct folio * folio,gfp_t gfp) folio_unmap_invalidate() argument 672 invalidate_inode_pages2_range(struct address_space * mapping,pgoff_t start,pgoff_t end) invalidate_inode_pages2_range() argument 758 invalidate_inode_pages2(struct address_space * mapping) invalidate_inode_pages2() argument 781 struct address_space mapping = inode->i_mapping; truncate_pagecache() local 902 struct address_space mapping = inode->i_mapping; truncate_pagecache_range() local [all...]
H A D	filemap.c	129 static void page_cache_delete(struct address_space mapping, in page_cache_delete() argument 132 XA_STATE(xas, &mapping->i_pages, folio->index); in page_cache_delete() 135 mapping_set_update(&xas, mapping); in page_cache_delete() 145 folio->mapping = NULL; in page_cache_delete() 147 mapping->nrpages -= nr; in page_cache_delete() 150 static void filemap_unaccount_folio(struct address_space mapping, in filemap_unaccount_folio() argument 163 if (mapping_exiting(mapping) && !folio_test_large(folio)) { in filemap_unaccount_folio() 192 filemap_nr_thps_dec(mapping); in filemap_unaccount_folio() 194 if (test_bit(AS_KERNEL_FILE, &folio->mapping->flags)) in filemap_unaccount_folio() 213 mapping_can_writeback(mapping))) in filemap_unaccount_folio() 224 struct address_space mapping = folio->mapping; __filemap_remove_folio() local 231 filemap_free_folio(struct address_space mapping,struct folio * folio) filemap_free_folio() argument 252 struct address_space mapping = folio->mapping; filemap_remove_folio() local 279 page_cache_delete_batch(struct address_space mapping,struct folio_batch * fbatch) page_cache_delete_batch() argument 320 delete_from_page_cache_batch(struct address_space * mapping,struct folio_batch * fbatch) delete_from_page_cache_batch() argument 346 filemap_check_errors(struct address_space * mapping) filemap_check_errors() argument 360 filemap_check_and_keep_errors(struct address_space * mapping) filemap_check_and_keep_errors() argument 370 filemap_writeback(struct address_space * mapping,loff_t start,loff_t end,enum writeback_sync_modes sync_mode,long * nr_to_write) filemap_writeback() argument 409 filemap_fdatawrite_range(struct address_space * mapping,loff_t start,loff_t end) filemap_fdatawrite_range() argument 416 filemap_fdatawrite(struct address_space * mapping) filemap_fdatawrite() argument 433 filemap_flush_range(struct address_space * mapping,loff_t start,loff_t end) filemap_flush_range() argument 449 filemap_flush(struct address_space * mapping) filemap_flush() argument 460 filemap_flush_nr(struct address_space * mapping,long * nr_to_write) filemap_flush_nr() argument 479 filemap_range_has_page(struct address_space * mapping,loff_t start_byte,loff_t end_byte) filemap_range_has_page() argument 510 __filemap_fdatawait_range(struct address_space * mapping,loff_t start_byte,loff_t end_byte) __filemap_fdatawait_range() argument 555 filemap_fdatawait_range(struct address_space * mapping,loff_t start_byte,loff_t end_byte) filemap_fdatawait_range() argument 577 filemap_fdatawait_range_keep_errors(struct address_space * mapping,loff_t start_byte,loff_t end_byte) filemap_fdatawait_range_keep_errors() argument 603 struct address_space mapping = file->f_mapping; file_fdatawait_range() local 624 filemap_fdatawait_keep_errors(struct address_space mapping) filemap_fdatawait_keep_errors() argument 632 mapping_needs_writeback(struct address_space * mapping) mapping_needs_writeback() argument 637 filemap_range_has_writeback(struct address_space * mapping,loff_t start_byte,loff_t end_byte) filemap_range_has_writeback() argument 675 filemap_write_and_wait_range(struct address_space * mapping,loff_t lstart,loff_t lend) filemap_write_and_wait_range() argument 701 __filemap_set_wb_err(struct address_space * mapping,int err) __filemap_set_wb_err() argument 737 struct address_space mapping = file->f_mapping; file_check_and_advance_wb_err() local 780 struct address_space mapping = file->f_mapping; file_write_and_wait_range() local 813 struct address_space mapping = old->mapping; replace_page_cache_folio() local 848 __filemap_add_folio(struct address_space mapping,struct folio * folio,pgoff_t index,gfp_t gfp,void ** shadowp) __filemap_add_folio() argument 949 filemap_add_folio(struct address_space * mapping,struct folio * folio,pgoff_t index,gfp_t gfp) filemap_add_folio() argument 1605 struct address_space mapping = folio->mapping; filemap_end_dropbehind() local 1806 page_cache_next_miss(struct address_space mapping,pgoff_t index,unsigned long max_scan) page_cache_next_miss() argument 1843 page_cache_prev_miss(struct address_space * mapping,pgoff_t index,unsigned long max_scan) page_cache_prev_miss() argument 1892 filemap_get_entry(struct address_space * mapping,pgoff_t index) filemap_get_entry() argument 1940 __filemap_get_folio_mpol(struct address_space * mapping,pgoff_t index,fgf_t fgp_flags,gfp_t gfp,struct mempolicy * policy) __filemap_get_folio_mpol() argument 2115 find_get_entries(struct address_space * mapping,pgoff_t * start,pgoff_t end,struct folio_batch * fbatch,pgoff_t * indices) find_get_entries() argument 2164 find_lock_entries(struct address_space * mapping,pgoff_t * start,pgoff_t end,struct folio_batch * fbatch,pgoff_t * indices) find_lock_entries() argument 2232 filemap_get_folios(struct address_space * mapping,pgoff_t * start,pgoff_t end,struct folio_batch * fbatch) filemap_get_folios() argument 2254 filemap_get_folios_contig(struct address_space * mapping,pgoff_t * start,pgoff_t end,struct folio_batch * fbatch) filemap_get_folios_contig() argument 2330 filemap_get_folios_tag(struct address_space * mapping,pgoff_t * start,pgoff_t end,xa_mark_t tag,struct folio_batch * fbatch) filemap_get_folios_tag() argument 2385 filemap_get_folios_dirty(struct address_space * mapping,pgoff_t * start,pgoff_t end,struct folio_batch * fbatch) filemap_get_folios_dirty() argument 2455 filemap_get_read_batch(struct address_space * mapping,pgoff_t index,pgoff_t max,struct folio_batch * fbatch) filemap_get_read_batch() argument 2517 filemap_range_uptodate(struct address_space * mapping,loff_t pos,size_t count,struct folio * folio,bool need_uptodate) filemap_range_uptodate() argument 2545 filemap_update_page(struct kiocb * iocb,struct address_space * mapping,size_t count,struct folio * folio,bool need_uptodate) filemap_update_page() argument 2602 struct address_space mapping = iocb->ki_filp->f_mapping; filemap_create_folio() local 2654 filemap_readahead(struct kiocb iocb,struct file * file,struct address_space * mapping,struct folio * folio,pgoff_t last_index) filemap_readahead() argument 2671 struct address_space mapping = filp->f_mapping; filemap_get_pages() local 2773 struct address_space mapping = filp->f_mapping; filemap_read() local 2885 struct address_space mapping = iocb->ki_filp->f_mapping; kiocb_write_and_wait() local 2899 filemap_invalidate_pages(struct address_space mapping,loff_t pos,loff_t end,bool nowait) filemap_invalidate_pages() argument 2926 struct address_space mapping = iocb->ki_filp->f_mapping; kiocb_invalidate_pages() local 2966 struct address_space mapping = file->f_mapping; generic_file_read_iter() local 3147 folio_seek_hole_data(struct xa_state * xas,struct address_space * mapping,struct folio * folio,loff_t start,loff_t end,bool seek_data) folio_seek_hole_data() argument 3204 mapping_seek_hole_data(struct address_space * mapping,loff_t start,loff_t end,int whence) mapping_seek_hole_data() argument 3309 struct address_space mapping = file->f_mapping; do_sync_mmap_readahead() local 3517 struct address_space mapping = file->f_mapping; filemap_fault() local 3702 next_uptodate_folio(struct xa_state * xas,struct address_space * mapping,pgoff_t end_pgoff) next_uptodate_folio() argument 3752 struct address_space mapping = folio->mapping; filemap_map_folio_range() local 3876 struct address_space mapping = file->f_mapping; filemap_map_pages() local 3958 struct address_space mapping = vmf->vma->vm_file->f_mapping; filemap_page_mkwrite() local 3992 struct address_space mapping = file->f_mapping; generic_file_mmap() local 4004 struct address_space mapping = file->f_mapping; generic_file_mmap_prepare() local 4058 do_read_cache_folio(struct address_space mapping,pgoff_t index,filler_t filler,struct file * file,gfp_t gfp) do_read_cache_folio() argument 4135 read_cache_folio(struct address_space * mapping,pgoff_t index,filler_t filler,struct file * file) read_cache_folio() argument 4160 mapping_read_folio_gfp(struct address_space * mapping,pgoff_t index,gfp_t gfp) mapping_read_folio_gfp() argument 4167 do_read_cache_page(struct address_space * mapping,pgoff_t index,filler_t * filler,struct file * file,gfp_t gfp) do_read_cache_page() argument 4178 read_cache_page(struct address_space * mapping,pgoff_t index,filler_t * filler,struct file * file) read_cache_page() argument 4201 read_cache_page_gfp(struct address_space * mapping,pgoff_t index,gfp_t gfp) read_cache_page_gfp() argument 4231 struct address_space mapping = iocb->ki_filp->f_mapping; kiocb_invalidate_post_direct_write() local 4243 struct address_space mapping = iocb->ki_filp->f_mapping; generic_file_direct_write() local 4300 struct address_space mapping = file->f_mapping; generic_perform_write() local 4414 struct address_space mapping = file->f_mapping; __generic_file_write_iter() local 4495 struct address_space * const mapping = folio->mapping; filemap_release_folio() local 4525 struct address_space mapping = inode->i_mapping; filemap_invalidate_inode() local 4568 filemap_cachestat(struct address_space mapping,pgoff_t first_index,pgoff_t last_index,struct cachestat * cs) filemap_cachestat() argument 4717 struct address_space *mapping; SYSCALL_DEFINE4() local [all...]
H A D	readahead.c	142 file_ra_state_init(struct file_ra_state ra, struct address_space mapping) in file_ra_state_init() argument 144 ra->ra_pages = inode_to_bdi(mapping->host)->ra_pages; in file_ra_state_init() 151 const struct address_space_operations aops = rac->mapping->a_ops; in read_pages() 207 Context: File is referenced by caller, and ractl->mapping->invalidate_lock 214 struct address_space mapping = ractl->mapping; in page_cache_ra_unbounded() 216 gfp_t gfp_mask = readahead_gfp_mask(mapping); in page_cache_ra_unbounded() 218 unsigned int min_nrpages = mapping_min_folio_nrpages(mapping); in page_cache_ra_unbounded() 227 filesystems already specify __GFP_NOFS in their mapping's in page_cache_ra_unbounded() 232 lockdep_assert_held(&mapping in page_cache_ra_unbounded() 213 struct address_space mapping = ractl->mapping; page_cache_ra_unbounded() local 342 struct address_space mapping = ractl->mapping; force_page_cache_ra() local 467 struct address_space mapping = ractl->mapping; page_cache_ra_order() local 766 struct address_space mapping = ractl->mapping; readahead_expand() local [all...]
/linux/tools/testing/selftests/arm64/mte/
H A D	check_mmap_options.c	47 int mapping; member 113 static int check_anonymous_memory_mapping(int mem_type, int mode, int mapping, in check_anonymous_memory_mapping() argument 126 map_ptr = (char )mte_allocate_memory(map_size, mem_type, mapping, false); in check_anonymous_memory_mapping() 148 static int check_file_memory_mapping(int mem_type, int mode, int mapping, in check_file_memory_mapping() argument 166 map_ptr = (char )mte_allocate_file_memory(map_size, mem_type, mapping, false, fd); in check_file_memory_mapping() 191 static int check_clear_prot_mte_flag(int mem_type, int mode, int mapping, int atag_check) in check_clear_prot_mte_flag() argument 201 ptr = (char )mte_allocate_memory_tag_range(sizes[run], mem_type, mapping, in check_clear_prot_mte_flag() 222 ptr = (char )mte_allocate_file_memory_tag_range(sizes[run], mem_type, mapping, in check_clear_prot_mte_flag() 300 switch (tc->mapping) { in format_test_name() 337 "Check %s with %s mapping, %s mode, %s memory and %s (%s)\n", in format_test_name() [all …]
/linux/arch/arm/mm/
H A D	dma-mapping.c	3 * linux/arch/arm/mm/dma-mapping.c 7 * DMA uncached mapping support. 290 * Clear previous low-memory mapping to ensure that the in dma_contiguous_remap() 603 * Free a buffer as defined by the above mapping. 677 * Use the driver DMA support - see dma-mapping.h (dma_sync_) 752 static int extend_iommu_mapping(struct dma_iommu_mapping mapping); 754 static inline dma_addr_t __alloc_iova(struct dma_iommu_mapping *mapping, in __alloc_iova() argument 760 size_t mapping_size = mapping->bits << PAGE_SHIFT; in __alloc_iova() 771 spin_lock_irqsave(&mapping->lock, flags); in __alloc_iova() 772 for (i = 0; i < mapping->nr_bitmaps; i++) { in __alloc_iova() [all …]
H A D	flush.c	199 void __flush_dcache_folio(struct address_space mapping, struct folio folio) in __flush_dcache_folio() argument 202 * Writeback any data associated with the kernel mapping of this in __flush_dcache_folio() 204 * coherent with the kernels mapping. in __flush_dcache_folio() 234 if (mapping && cache_is_vipt_aliasing()) in __flush_dcache_folio() 238 static void __flush_dcache_aliases(struct address_space mapping, struct folio folio) in __flush_dcache_aliases() argument 248 * - aliasing VIPT: we only need to find one mapping of this page. in __flush_dcache_aliases() 253 flush_dcache_mmap_lock(mapping); in __flush_dcache_aliases() 254 vma_interval_tree_foreach(vma, &mapping->i_mmap, pgoff, pgoff_end) { in __flush_dcache_aliases() 281 flush_dcache_mmap_unlock(mapping); in __flush_dcache_aliases() 289 struct address_space *mapping; in __sync_icache_dcache() local [all …]
/linux/drivers/media/usb/uvc/
H A D	uvc_ctrl.c	410 static bool uvc_ctrl_mapping_is_compound(struct uvc_control_mapping mapping) in uvc_ctrl_mapping_is_compound() argument 412 return mapping->v4l2_type >= V4L2_CTRL_COMPOUND_TYPES; in uvc_ctrl_mapping_is_compound() 415 static s32 uvc_mapping_get_s32(struct uvc_control_mapping mapping, in uvc_mapping_get_s32() argument 420 mapping->get(mapping, query, data_in, sizeof(data_out), &data_out); in uvc_mapping_get_s32() 425 static void uvc_mapping_set_s32(struct uvc_control_mapping mapping, in uvc_mapping_set_s32() argument 428 mapping->set(mapping, sizeof(data_in), &data_in, data_out); in uvc_mapping_set_s32() 434 device. The custom menu_mapping in the control @mapping is used when 445 static int uvc_mapping_get_menu_value(const struct uvc_control_mapping *mapping, in uvc_mapping_get_menu_value() argument 448 if (!test_bit(idx, &mapping->menu_mask)) in uvc_mapping_get_menu_value() 451 if (mapping->menu_mapping) in uvc_mapping_get_menu_value() [all …]
/linux/drivers/gpu/drm/tegra/
H A D	uapi.c	17 struct tegra_drm_mapping mapping = in tegra_drm_mapping_release() local 20 host1x_bo_unpin(mapping->map); in tegra_drm_mapping_release() 21 host1x_bo_put(mapping->bo); in tegra_drm_mapping_release() 23 kfree(mapping); in tegra_drm_mapping_release() 26 void tegra_drm_mapping_put(struct tegra_drm_mapping mapping) in tegra_drm_mapping_put() argument 28 kref_put(&mapping->ref, tegra_drm_mapping_release); in tegra_drm_mapping_put() 33 struct tegra_drm_mapping mapping; in tegra_drm_channel_context_close() local 39 xa_for_each(&context->mappings, id, mapping) in tegra_drm_channel_context_close() 40 tegra_drm_mapping_put(mapping); in tegra_drm_channel_context_close() 192 struct tegra_drm_mapping mapping; in tegra_drm_ioctl_channel_map() local [all …]
/linux/drivers/gpu/drm/etnaviv/
H A D	etnaviv_mmu.c	6 #include <linux/dma-mapping.h> 55 /* unroll mapping in case something went wrong / in etnaviv_context_map() 115 struct etnaviv_vram_mapping mapping) in etnaviv_iommu_remove_mapping() argument 117 struct etnaviv_gem_object etnaviv_obj = mapping->object; in etnaviv_iommu_remove_mapping() 121 etnaviv_iommu_unmap(context, mapping->vram_node.start, in etnaviv_iommu_remove_mapping() 123 drm_mm_remove_node(&mapping->vram_node); in etnaviv_iommu_remove_mapping() 126 void etnaviv_iommu_reap_mapping(struct etnaviv_vram_mapping mapping) in etnaviv_iommu_reap_mapping() argument 128 struct etnaviv_iommu_context *context = mapping->context; in etnaviv_iommu_reap_mapping() 131 WARN_ON(mapping->use); in etnaviv_iommu_reap_mapping() 133 etnaviv_iommu_remove_mapping(context, mapping); in etnaviv_iommu_reap_mapping() [all …]
H A D	etnaviv_gem.c	8 #include <linux/dma-mapping.h> 219 struct etnaviv_vram_mapping mapping; in etnaviv_gem_get_vram_mapping() local 221 list_for_each_entry(mapping, &obj->vram_list, obj_node) { in etnaviv_gem_get_vram_mapping() 222 if (mapping->context == context) in etnaviv_gem_get_vram_mapping() 223 return mapping; in etnaviv_gem_get_vram_mapping() 229 void etnaviv_gem_mapping_unreference(struct etnaviv_vram_mapping mapping) in etnaviv_gem_mapping_unreference() argument 231 struct etnaviv_gem_object etnaviv_obj = mapping->object; in etnaviv_gem_mapping_unreference() 234 WARN_ON(mapping->use == 0); in etnaviv_gem_mapping_unreference() 235 mapping->use -= 1; in etnaviv_gem_mapping_unreference() 246 struct etnaviv_vram_mapping mapping; in etnaviv_gem_mapping_get() local [all …]
/linux/include/trace/events/
H A D	filemap.h	`32 __entry->i_ino = folio->mapping->host->i_ino; 34 if (folio->mapping->host->i_sb) 35 __entry->s_dev = folio->mapping->host->i_sb->s_dev; 37 __entry->s_dev = folio->mapping->host->i_rdev; 62 struct address_space *mapping, 67 TP_ARGS(mapping, index, last_index), 77 __entry->i_ino = mapping->host->i_ino; 78 if (mapping->host->i_sb) 80 mapping->host->i_sb->s_dev; 82 __entry->s_dev = mapping [all...]`
/linux/Documentation/driver-api/
H A D	io-mapping.rst	8 The io_mapping functions in linux/io-mapping.h provide an abstraction for 9 efficiently mapping small regions of an I/O device to the CPU. The initial 14 A mapping object is created during driver initialization using:: 20 mappable, while 'size' indicates how large a mapping region to 23 This _wc variant provides a mapping which may only be used with 27 With this mapping object, individual pages can be mapped either temporarily 31 void io_mapping_map_local_wc(struct io_mapping mapping, 34 void io_mapping_map_atomic_wc(struct io_mapping mapping, 37 'offset' is the offset within the defined mapping region. Accessing 46 Temporary mappings are only valid in the context of the caller. The mapping [all …]
/linux/drivers/gpu/drm/exynos/
H A D	exynos_drm_dma.c	34 * drm_iommu_attach_device- attach device to iommu mapping 40 * mapping. 57 * Keep the original DMA mapping of the sub-device and in drm_iommu_attach_device() 66 ret = arm_iommu_attach_device(subdrv_dev, priv->mapping); in drm_iommu_attach_device() 68 ret = iommu_attach_device(priv->mapping, subdrv_dev); in drm_iommu_attach_device() 75 * drm_iommu_detach_device -detach device address space mapping from device 81 * mapping 92 iommu_detach_device(priv->mapping, subdrv_dev); in drm_iommu_detach_device() 102 DRM_INFO("Exynos DRM: using %s device for DMA mapping operations\n", in exynos_drm_register_dma() 109 if (!priv->mapping) { in exynos_drm_register_dma() [all …]
/linux/Documentation/filesystems/iomap/
H A D	design.rst	70 of mapping function calls into the filesystem across a larger amount of 78 1. Obtain a space mapping via ``->iomap_begin`` 82 1. Revalidate the mapping and go back to (1) above, if necessary. 89 4. Release the mapping via ``->iomap_end``, if necessary 130 * filesystem mapping lock: This synchronization primitive is 131 internal to the filesystem and must protect the file mapping data 132 from updates while a mapping is being sampled. 138 mapping. 154 The filesystem communicates to the iomap iterator the mapping of 176 bytes, covered by this mapping. [all …]
/linux/tools/testing/selftests/mm/
H A D	mremap_dontunmap.c	59 "unable to unmap destination mapping"); in kernel_support_for_mremap_dontunmap() 63 "unable to unmap source mapping"); in kernel_support_for_mremap_dontunmap() 67 // This helper will just validate that an entire mapping contains the expected 94 // the source mapping mapped. 106 // Try to just move the whole mapping anywhere (not fixed). in mremap_dontunmap_simple() 122 "unable to unmap destination mapping"); in mremap_dontunmap_simple() 124 "unable to unmap source mapping"); in mremap_dontunmap_simple() 128 // This test validates that MREMAP_DONTUNMAP on a shared mapping works as expected. 148 // Try to just move the whole mapping anywhere (not fixed). in mremap_dontunmap_simple_shmem() 155 "unable to unmap source mapping"); in mremap_dontunmap_simple_shmem() [all …]
/linux/tools/testing/selftests/vfio/
H A D	vfio_dma_mapping_test.c	39 struct iommu_mapping mapping) in intel_iommu_mapping_get() argument 67 memset(mapping, 0, sizeof(mapping)); in intel_iommu_mapping_get() 68 parse_next_value(&rest, &mapping->pgd); in intel_iommu_mapping_get() 69 parse_next_value(&rest, &mapping->p4d); in intel_iommu_mapping_get() 70 parse_next_value(&rest, &mapping->pud); in intel_iommu_mapping_get() 71 parse_next_value(&rest, &mapping->pmd); in intel_iommu_mapping_get() 72 parse_next_value(&rest, &mapping->pte); in intel_iommu_mapping_get() 87 struct iommu_mapping *mapping) in iommu_mapping_get() argument 90 return intel_iommu_mapping_get(bdf, iova, mapping); in iommu_mapping_get() 139 struct iommu_mapping mapping; in TEST_F() local [all …]
/linux/fs/
H A D	dax.c	180 * @entry may no longer be the entry at the index in the mapping. 345 * A DAX folio is considered shared if it has no mapping set and ->share (which 352 return !folio->mapping && folio->share; in dax_folio_is_shared() 358 * previously been associated with any mappings the ->mapping and ->index 359 * fields will be set. If it has already been associated with a mapping 360 * the mapping will be cleared and the share count set. It's then up to 362 * recover ->mapping and ->index information. For example by implementing 369 * folio->mapping. in dax_folio_make_shared() 371 folio->mapping = NULL; in dax_folio_make_shared() 393 folio->mapping in dax_folio_put() 441 dax_associate_entry(void * entry,struct address_space * mapping,struct vm_area_struct * vma,unsigned long address,bool shared) dax_associate_entry() argument 468 dax_disassociate_entry(void * entry,struct address_space * mapping,bool trunc) dax_disassociate_entry() argument 508 struct address_space mapping = READ_ONCE(folio->mapping); dax_lock_folio() local 549 struct address_space mapping = folio->mapping; dax_unlock_folio() local 567 dax_lock_mapping_entry(struct address_space * mapping,pgoff_t index,struct page ** page) dax_lock_mapping_entry() argument 610 dax_unlock_mapping_entry(struct address_space * mapping,pgoff_t index,dax_entry_t cookie) dax_unlock_mapping_entry() argument 651 grab_mapping_entry(struct xa_state * xas,struct address_space * mapping,unsigned int order) grab_mapping_entry() argument 754 dax_layout_busy_page_range(struct address_space * mapping,loff_t start,loff_t end) dax_layout_busy_page_range() argument 809 dax_layout_busy_page(struct address_space * mapping) dax_layout_busy_page() argument 815 __dax_invalidate_entry(struct address_space * mapping,pgoff_t index,bool trunc) __dax_invalidate_entry() argument 840 __dax_clear_dirty_range(struct address_space * mapping,pgoff_t start,pgoff_t end) __dax_clear_dirty_range() argument 873 dax_delete_mapping_entry(struct address_space * mapping,pgoff_t index) dax_delete_mapping_entry() argument 888 dax_delete_mapping_range(struct address_space * mapping,loff_t start,loff_t end) dax_delete_mapping_range() argument 992 dax_invalidate_mapping_entry_sync(struct address_space * mapping,pgoff_t index) dax_invalidate_mapping_entry_sync() argument 1046 struct address_space mapping = vmf->vma->vm_file->f_mapping; dax_insert_entry() local 1101 dax_writeback_one(struct xa_state xas,struct dax_device * dax_dev,struct address_space * mapping,void * entry) dax_writeback_one() argument 1199 dax_writeback_mapping_range(struct address_space * mapping,struct dax_device * dax_dev,struct writeback_control * wbc) dax_writeback_mapping_range() argument 1377 struct address_space mapping = vmf->vma->vm_file->f_mapping; dax_pmd_load_hole() local 1865 struct address_space mapping = vmf->vma->vm_file->f_mapping; dax_iomap_pte_fault() local 1975 struct address_space mapping = vmf->vma->vm_file->f_mapping; dax_iomap_pmd_fault() local 2096 struct address_space mapping = vmf->vma->vm_file->f_mapping; dax_insert_pfn_mkwrite() local [all...]
/linux/drivers/sh/clk/
H A D	core.c	340 struct clk_mapping mapping = clk->mapping; in clk_establish_mapping() local 345 if (!mapping) { in clk_establish_mapping() 349 dummy mapping for root clocks with no specified ranges in clk_establish_mapping() 352 clk->mapping = &dummy_mapping; in clk_establish_mapping() 357 * If we're on a child clock and it provides no mapping of its in clk_establish_mapping() 358 * own, inherit the mapping from its root clock. in clk_establish_mapping() 361 mapping = clkp->mapping; in clk_establish_mapping() 362 BUG_ON(!mapping); in clk_establish_mapping() 366 * Establish initial mapping. in clk_establish_mapping() 368 if (!mapping->base && mapping->phys) { in clk_establish_mapping() [all …]
/linux/arch/arm64/kvm/
H A D	pkvm.c	341 struct pkvm_mapping mapping; in __pkvm_pgtable_stage2_unmap() 344 for_each_mapping_in_range_safe(pgt, start, end, mapping) { in __pkvm_pgtable_stage2_unmap() 348 handle, mapping->gfn); in pkvm_pgtable_stage2_destroy_range() 352 page = pfn_to_page(mapping->pfn); 353 WARN_ON_ONCE(mapping->nr_pages != 1); in pkvm_pgtable_stage2_destroy_pgd() 356 pkvm_mapping_remove(mapping, &pgt->pkvm_mappings); in pkvm_pgtable_stage2_destroy_pgd() 357 kfree(mapping); in pkvm_pgtable_stage2_destroy_pgd() 367 struct pkvm_mapping mapping; in pkvm_pgtable_stage2_map() 370 for_each_mapping_in_range_safe(pgt, start, end, mapping) { in pkvm_pgtable_stage2_map() 371 ret = kvm_call_hyp_nvhe(__pkvm_host_unshare_guest, handle, mapping in pkvm_pgtable_stage2_map() 329 struct pkvm_mapping mapping; __pkvm_pgtable_stage2_unmap() local 364 struct pkvm_mapping mapping = NULL; pkvm_pgtable_stage2_map() local 416 struct pkvm_mapping mapping; pkvm_pgtable_stage2_wrprotect() local 433 struct pkvm_mapping mapping; pkvm_pgtable_stage2_flush() local 447 struct pkvm_mapping *mapping; pkvm_pgtable_stage2_test_clear_young() local [all...]
/linux/drivers/gpu/drm/panfrost/
H A D	panfrost_gem.c	9 #include <linux/dma-mapping.h> 113 struct panfrost_gem_mapping iter, mapping = NULL; in panfrost_gem_mapping_get() local 119 mapping = iter; in panfrost_gem_mapping_get() 125 return mapping; in panfrost_gem_mapping_get() 129 panfrost_gem_teardown_mapping(struct panfrost_gem_mapping mapping) in panfrost_gem_teardown_mapping() argument 131 if (mapping->active) in panfrost_gem_teardown_mapping() 132 panfrost_mmu_unmap(mapping); in panfrost_gem_teardown_mapping() 134 spin_lock(&mapping->mmu->mm_lock); in panfrost_gem_teardown_mapping() 135 if (drm_mm_node_allocated(&mapping->mmnode)) in panfrost_gem_teardown_mapping() 136 drm_mm_remove_node(&mapping in panfrost_gem_teardown_mapping() 142 struct panfrost_gem_mapping mapping; panfrost_gem_mapping_release() local 152 panfrost_gem_mapping_put(struct panfrost_gem_mapping * mapping) panfrost_gem_mapping_put() argument 162 struct panfrost_gem_mapping mapping; panfrost_gem_teardown_mappings_locked() local 176 struct panfrost_gem_mapping mapping; panfrost_gem_open() local 227 struct panfrost_gem_mapping mapping = NULL, iter; panfrost_gem_close() local [all...]
/linux/tools/testing/selftests/namespaces/
H A D	file_handle_test.c	491 /* Disable setgroups to allow gid mapping / in TEST() 496 char mapping[64]; in TEST() local 497 snprintf(mapping, sizeof(mapping), "0 %d 1", getuid()); in TEST() 498 write(uid_map_fd, mapping, strlen(mapping)); in TEST() 501 snprintf(mapping, sizeof(mapping), "0 %d 1", getgid()); in TEST() 502 write(gid_map_fd, mapping, strlen(mapping)); in TEST() 620 / Disable setgroups to allow gid mapping */ in TEST() 625 char mapping[64]; in TEST() local 626 snprintf(mapping, sizeof(mapping), "0 %d 1", getuid()); in TEST() 627 write(uid_map_fd, mapping, strlen(mapping)); in TEST() [all …]
/linux/Documentation/mm/
H A D	highmem.rst	18 The part of (physical) memory not covered by a permanent mapping is what we 64 These mappings are thread-local and CPU-local, meaning that the mapping 66 CPU while the mapping is active. Although preemption is never disabled by 68 CPU-hotplug until the mapping is disposed. 71 in which the local mapping is acquired does not allow it for other reasons. 82 virtual address of the direct mapping. Only real highmem pages are 95 therefore try to design their code to avoid the use of kmap() by mapping 107 NOTE: Conversions to kmap_local_page() must take care to follow the mapping 116 This permits a very short duration mapping of a single page. Since the 117 mapping is restricted to the CPU that issued it, it performs well, but [all …]
/linux/Documentation/arch/riscv/
H A D	boot.rst	14 mapping is set up. 40 PMPs, in the direct mapping, so the firmware must correctly mark those regions 117 Virtual mapping installation 120 The installation of the virtual mapping is done in 2 steps in the RISC-V kernel: 122 1. ``setup_vm()`` installs a temporary kernel mapping in ``early_pg_dir`` which 124 at this point. When establishing this mapping, no allocation can be done 128 2. ``setup_vm_final()`` creates the final kernel mapping in ``swapper_pg_dir`` 130 mapping. When establishing this mapping, the kernel can allocate memory but 131 cannot access it directly (since the direct mapping is not present yet), so 136 direct mapping addresses to physical addresses, they need to know the start of [all …]

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