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/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_add_lru(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 274 generic_error_remove_folio(struct address_space * mapping,struct folio * folio) generic_error_remove_folio() argument 300 mapping_evict_folio(struct address_space * mapping,struct folio * folio) mapping_evict_folio() argument 341 truncate_inode_pages_range(struct address_space * mapping,loff_t lstart,loff_t lend) truncate_inode_pages_range() argument 458 truncate_inode_pages(struct address_space * mapping,loff_t lstart) truncate_inode_pages() argument 473 truncate_inode_pages_final(struct address_space * mapping) truncate_inode_pages_final() argument 509 mapping_try_invalidate(struct address_space * mapping,pgoff_t start,pgoff_t end,unsigned long * nr_failed) mapping_try_invalidate() argument 574 invalidate_mapping_pages(struct address_space * mapping,pgoff_t start,pgoff_t end) invalidate_mapping_pages() argument 581 folio_launder(struct address_space * mapping,struct folio * folio) folio_launder() argument 597 folio_unmap_invalidate(struct address_space * mapping,struct folio * folio,gfp_t gfp) folio_unmap_invalidate() argument 647 invalidate_inode_pages2_range(struct address_space * mapping,pgoff_t start,pgoff_t end) invalidate_inode_pages2_range() argument 733 invalidate_inode_pages2(struct address_space * mapping) invalidate_inode_pages2() argument 756 struct address_space mapping = inode->i_mapping; truncate_pagecache() local 877 struct address_space mapping = inode->i_mapping; truncate_pagecache_range() local [all...]
H A D	filemap.c	128 static void page_cache_delete(struct address_space mapping, in page_cache_delete() argument 131 XA_STATE(xas, &mapping->i_pages, folio->index); in page_cache_delete() 134 mapping_set_update(&xas, mapping); in page_cache_delete() 144 folio->mapping = NULL; in page_cache_delete() 146 mapping->nrpages -= nr; in page_cache_delete() 149 static void filemap_unaccount_folio(struct address_space mapping, in filemap_unaccount_folio() argument 162 if (mapping_exiting(mapping) && !folio_test_large(folio)) { in filemap_unaccount_folio() 191 filemap_nr_thps_dec(mapping); in filemap_unaccount_folio() 209 mapping_can_writeback(mapping))) in filemap_unaccount_folio() 210 folio_account_cleaned(folio, inode_to_wb(mapping in filemap_unaccount_folio() 220 struct address_space mapping = folio->mapping; __filemap_remove_folio() local 227 filemap_free_folio(struct address_space mapping,struct folio * folio) filemap_free_folio() argument 248 struct address_space mapping = folio->mapping; filemap_remove_folio() local 275 page_cache_delete_batch(struct address_space mapping,struct folio_batch * fbatch) page_cache_delete_batch() argument 316 delete_from_page_cache_batch(struct address_space * mapping,struct folio_batch * fbatch) delete_from_page_cache_batch() argument 342 filemap_check_errors(struct address_space * mapping) filemap_check_errors() argument 356 filemap_check_and_keep_errors(struct address_space * mapping) filemap_check_and_keep_errors() argument 376 filemap_fdatawrite_wbc(struct address_space * mapping,struct writeback_control * wbc) filemap_fdatawrite_wbc() argument 409 __filemap_fdatawrite_range(struct address_space * mapping,loff_t start,loff_t end,int sync_mode) __filemap_fdatawrite_range() argument 422 __filemap_fdatawrite(struct address_space * mapping,int sync_mode) __filemap_fdatawrite() argument 428 filemap_fdatawrite(struct address_space * mapping) filemap_fdatawrite() argument 434 filemap_fdatawrite_range(struct address_space * mapping,loff_t start,loff_t end) filemap_fdatawrite_range() argument 452 filemap_fdatawrite_range_kick(struct address_space * mapping,loff_t start,loff_t end) filemap_fdatawrite_range_kick() argument 468 filemap_flush(struct address_space * mapping) filemap_flush() argument 486 filemap_range_has_page(struct address_space * mapping,loff_t start_byte,loff_t end_byte) filemap_range_has_page() argument 517 __filemap_fdatawait_range(struct address_space * mapping,loff_t start_byte,loff_t end_byte) __filemap_fdatawait_range() argument 562 filemap_fdatawait_range(struct address_space * mapping,loff_t start_byte,loff_t end_byte) filemap_fdatawait_range() argument 584 filemap_fdatawait_range_keep_errors(struct address_space * mapping,loff_t start_byte,loff_t end_byte) filemap_fdatawait_range_keep_errors() argument 610 struct address_space mapping = file->f_mapping; file_fdatawait_range() local 631 filemap_fdatawait_keep_errors(struct address_space mapping) filemap_fdatawait_keep_errors() argument 639 mapping_needs_writeback(struct address_space * mapping) mapping_needs_writeback() argument 644 filemap_range_has_writeback(struct address_space * mapping,loff_t start_byte,loff_t end_byte) filemap_range_has_writeback() argument 682 filemap_write_and_wait_range(struct address_space * mapping,loff_t lstart,loff_t lend) filemap_write_and_wait_range() argument 709 __filemap_set_wb_err(struct address_space * mapping,int err) __filemap_set_wb_err() argument 745 struct address_space mapping = file->f_mapping; file_check_and_advance_wb_err() local 788 struct address_space mapping = file->f_mapping; file_write_and_wait_range() local 822 struct address_space mapping = old->mapping; replace_page_cache_folio() local 857 __filemap_add_folio(struct address_space mapping,struct folio * folio,pgoff_t index,gfp_t gfp,void ** shadowp) __filemap_add_folio() argument 958 filemap_add_folio(struct address_space * mapping,struct folio * folio,pgoff_t index,gfp_t gfp) filemap_add_folio() argument 1594 struct address_space mapping = folio->mapping; filemap_end_dropbehind() local 1777 page_cache_next_miss(struct address_space mapping,pgoff_t index,unsigned long max_scan) page_cache_next_miss() argument 1813 page_cache_prev_miss(struct address_space * mapping,pgoff_t index,unsigned long max_scan) page_cache_prev_miss() argument 1862 filemap_get_entry(struct address_space * mapping,pgoff_t index) filemap_get_entry() argument 1909 __filemap_get_folio(struct address_space * mapping,pgoff_t index,fgf_t fgp_flags,gfp_t gfp) __filemap_get_folio() argument 2084 find_get_entries(struct address_space * mapping,pgoff_t * start,pgoff_t end,struct folio_batch * fbatch,pgoff_t * indices) find_get_entries() argument 2133 find_lock_entries(struct address_space * mapping,pgoff_t * start,pgoff_t end,struct folio_batch * fbatch,pgoff_t * indices) find_lock_entries() argument 2201 filemap_get_folios(struct address_space * mapping,pgoff_t * start,pgoff_t end,struct folio_batch * fbatch) filemap_get_folios() argument 2223 filemap_get_folios_contig(struct address_space * mapping,pgoff_t * start,pgoff_t end,struct folio_batch * fbatch) filemap_get_folios_contig() argument 2299 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 2366 filemap_get_read_batch(struct address_space * mapping,pgoff_t index,pgoff_t max,struct folio_batch * fbatch) filemap_get_read_batch() argument 2428 filemap_range_uptodate(struct address_space * mapping,loff_t pos,size_t count,struct folio * folio,bool need_uptodate) filemap_range_uptodate() argument 2453 filemap_update_page(struct kiocb * iocb,struct address_space * mapping,size_t count,struct folio * folio,bool need_uptodate) filemap_update_page() argument 2510 struct address_space mapping = iocb->ki_filp->f_mapping; filemap_create_folio() local 2562 filemap_readahead(struct kiocb iocb,struct file * file,struct address_space * mapping,struct folio * folio,pgoff_t last_index) filemap_readahead() argument 2579 struct address_space mapping = filp->f_mapping; filemap_get_pages() local 2679 struct address_space mapping = filp->f_mapping; filemap_read() local 2791 struct address_space mapping = iocb->ki_filp->f_mapping; kiocb_write_and_wait() local 2805 filemap_invalidate_pages(struct address_space mapping,loff_t pos,loff_t end,bool nowait) filemap_invalidate_pages() argument 2832 struct address_space mapping = iocb->ki_filp->f_mapping; kiocb_invalidate_pages() local 2872 struct address_space mapping = file->f_mapping; generic_file_read_iter() local 3053 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 3110 mapping_seek_hole_data(struct address_space * mapping,loff_t start,loff_t end,int whence) mapping_seek_hole_data() argument 3215 struct address_space mapping = file->f_mapping; do_sync_mmap_readahead() local 3375 struct address_space mapping = file->f_mapping; filemap_fault() local 3560 next_uptodate_folio(struct xa_state * xas,struct address_space * mapping,pgoff_t end_pgoff) next_uptodate_folio() argument 3704 struct address_space mapping = file->f_mapping; filemap_map_pages() local 3774 struct address_space mapping = vmf->vma->vm_file->f_mapping; filemap_page_mkwrite() local 3808 struct address_space mapping = file->f_mapping; generic_file_mmap() local 3820 struct address_space mapping = file->f_mapping; generic_file_mmap_prepare() local 3874 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 3952 read_cache_folio(struct address_space * mapping,pgoff_t index,filler_t filler,struct file * file) read_cache_folio() argument 3977 mapping_read_folio_gfp(struct address_space * mapping,pgoff_t index,gfp_t gfp) mapping_read_folio_gfp() argument 3984 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 3995 read_cache_page(struct address_space * mapping,pgoff_t index,filler_t * filler,struct file * file) read_cache_page() argument 4018 read_cache_page_gfp(struct address_space * mapping,pgoff_t index,gfp_t gfp) read_cache_page_gfp() argument 4048 struct address_space mapping = iocb->ki_filp->f_mapping; kiocb_invalidate_post_direct_write() local 4060 struct address_space mapping = iocb->ki_filp->f_mapping; generic_file_direct_write() local 4117 struct address_space mapping = file->f_mapping; generic_perform_write() local 4231 struct address_space mapping = file->f_mapping; __generic_file_write_iter() local 4312 struct address_space * const mapping = folio->mapping; filemap_release_folio() local 4342 struct address_space mapping = inode->i_mapping; filemap_invalidate_inode() local 4393 filemap_cachestat(struct address_space mapping,pgoff_t first_index,pgoff_t last_index,struct cachestat * cs) filemap_cachestat() argument 4542 struct address_space *mapping; SYSCALL_DEFINE4() local [all...]
H A D	readahead.c	139 file_ra_state_init(struct file_ra_state ra, struct address_space mapping) in file_ra_state_init() argument 141 ra->ra_pages = inode_to_bdi(mapping->host)->ra_pages; in file_ra_state_init() 148 const struct address_space_operations aops = rac->mapping->a_ops; in read_pages() 210 struct address_space mapping = ractl->mapping; in page_cache_ra_unbounded() local 212 gfp_t gfp_mask = readahead_gfp_mask(mapping); in page_cache_ra_unbounded() 214 unsigned int min_nrpages = mapping_min_folio_nrpages(mapping); in page_cache_ra_unbounded() 223 * filesystems already specify __GFP_NOFS in their mapping's in page_cache_ra_unbounded() 228 filemap_invalidate_lock_shared(mapping); in page_cache_ra_unbounded() 229 index = mapping_align_index(mapping, inde in page_cache_ra_unbounded() 337 struct address_space mapping = ractl->mapping; force_page_cache_ra() local 462 struct address_space mapping = ractl->mapping; page_cache_ra_order() local 744 struct address_space *mapping = ractl->mapping; readahead_expand() local [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_) 754 static int extend_iommu_mapping(struct dma_iommu_mapping mapping); 756 static inline dma_addr_t __alloc_iova(struct dma_iommu_mapping *mapping, in __alloc_iova() argument 762 size_t mapping_size = mapping->bits << PAGE_SHIFT; in __alloc_iova() 773 spin_lock_irqsave(&mapping->lock, flags); in __alloc_iova() 774 for (i = 0; i < mapping->nr_bitmaps; i++) { in __alloc_iova() [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 …]
H A D	check_child_memory.c	84 static int check_child_memory_mapping(int mem_type, int mode, int mapping) in check_child_memory_mapping() argument 93 ptr = (char )mte_allocate_memory_tag_range(sizes[run], mem_type, mapping, in check_child_memory_mapping() 106 static int check_child_file_mapping(int mem_type, int mode, int mapping) in check_child_file_mapping() argument 119 map_ptr = (char )mte_allocate_file_memory(map_size, mem_type, mapping, false, fd); in check_child_file_mapping() 170 "Check child anonymous memory with private mapping, precise mode and mmap memory\n"); in main() 172 "Check child anonymous memory with shared mapping, precise mode and mmap memory\n"); in main() 174 "Check child anonymous memory with private mapping, imprecise mode and mmap memory\n"); in main() 176 "Check child anonymous memory with shared mapping, imprecise mode and mmap memory\n"); in main() 178 "Check child anonymous memory with private mapping, precise mode and mmap/mprotect memory\n"); in main() 180 "Check child anonymous memory with shared mapping, precise mode and mmap/mprotect memory\n"); in main() [all …]
/linux/include/linux/
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/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() 189 struct tegra_drm_mapping mapping; in tegra_drm_ioctl_channel_map() local [all …]
/linux/Documentation/admin-guide/mm/
H A D	nommu-mmap.rst	2 No-MMU memory mapping support 5 The kernel has limited support for memory mapping under no-MMU conditions, such 7 mapping is made use of in conjunction with the mmap() system call, the shmat() 9 mapping is actually performed by the binfmt drivers, which call back into the 12 Memory mapping behaviour also involves the way fork(), vfork(), clone() and 19 (#) Anonymous mapping, MAP_PRIVATE 27 (#) Anonymous mapping, MAP_SHARED 37 the underlying file are reflected in the mapping; copied across fork. 41 - If one exists, the kernel will re-use an existing mapping to the 45 - If possible, the file mapping will be directly on the backing device [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->host->i_rdev; [all …]`
/linux/drivers/gpu/drm/etnaviv/
H A D	etnaviv_mmu.c	6 #include <linux/dma-mapping.h> 53 /* unroll mapping in case something went wrong / in etnaviv_context_map() 113 struct etnaviv_vram_mapping mapping) in etnaviv_iommu_remove_mapping() argument 115 struct etnaviv_gem_object etnaviv_obj = mapping->object; in etnaviv_iommu_remove_mapping() 119 etnaviv_iommu_unmap(context, mapping->vram_node.start, in etnaviv_iommu_remove_mapping() 121 drm_mm_remove_node(&mapping->vram_node); in etnaviv_iommu_remove_mapping() 124 void etnaviv_iommu_reap_mapping(struct etnaviv_vram_mapping mapping) in etnaviv_iommu_reap_mapping() argument 126 struct etnaviv_iommu_context *context = mapping->context; in etnaviv_iommu_reap_mapping() 129 WARN_ON(mapping->use); in etnaviv_iommu_reap_mapping() 131 etnaviv_iommu_remove_mapping(context, mapping); in etnaviv_iommu_reap_mapping() [all …]
H A D	etnaviv_gem.c	7 #include <linux/dma-mapping.h> 218 struct etnaviv_vram_mapping mapping; in etnaviv_gem_get_vram_mapping() local 220 list_for_each_entry(mapping, &obj->vram_list, obj_node) { in etnaviv_gem_get_vram_mapping() 221 if (mapping->context == context) in etnaviv_gem_get_vram_mapping() 222 return mapping; in etnaviv_gem_get_vram_mapping() 228 void etnaviv_gem_mapping_unreference(struct etnaviv_vram_mapping mapping) in etnaviv_gem_mapping_unreference() argument 230 struct etnaviv_gem_object etnaviv_obj = mapping->object; in etnaviv_gem_mapping_unreference() 233 WARN_ON(mapping->use == 0); in etnaviv_gem_mapping_unreference() 234 mapping->use -= 1; in etnaviv_gem_mapping_unreference() 245 struct etnaviv_vram_mapping mapping; in etnaviv_gem_mapping_get() local [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/panfrost/
H A D	panfrost_gem.c	8 #include <linux/dma-mapping.h> 94 struct panfrost_gem_mapping iter, mapping = NULL; in panfrost_gem_mapping_get() local 100 mapping = iter; in panfrost_gem_mapping_get() 106 return mapping; in panfrost_gem_mapping_get() 110 panfrost_gem_teardown_mapping(struct panfrost_gem_mapping *mapping) in panfrost_gem_teardown_mapping() argument 112 if (mapping->active) in panfrost_gem_teardown_mapping() 113 panfrost_mmu_unmap(mapping); in panfrost_gem_teardown_mapping() 115 spin_lock(&mapping->mmu->mm_lock); in panfrost_gem_teardown_mapping() 116 if (drm_mm_node_allocated(&mapping->mmnode)) in panfrost_gem_teardown_mapping() 117 drm_mm_remove_node(&mapping->mmnode); in panfrost_gem_teardown_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/fs/gfs2/
H A D	aops.c	74 struct inode * const inode = folio->mapping->host; in gfs2_write_jdata_folio() 105 struct inode inode = folio->mapping->host; in __gfs2_jdata_write_folio() 122 @mapping: The mapping to write 127 int gfs2_jdata_writeback(struct address_space mapping, struct writeback_control wbc) in gfs2_jdata_writeback() argument 129 struct inode inode = mapping->host; in gfs2_jdata_writeback() 131 struct gfs2_sbd sdp = GFS2_SB(mapping->host); in gfs2_jdata_writeback() 139 while ((folio = writeback_iter(mapping, wbc, folio, &error))) { in gfs2_jdata_writeback() 153 * @mapping: The mapping to write 158 static int gfs2_writepages(struct address_space mapping, in gfs2_writepages() argument 161 struct gfs2_sbd sdp = gfs2_mapping2sbd(mapping); in gfs2_writepages() [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/arch/arm64/kvm/
H A D	pkvm.c	301 struct pkvm_mapping mapping; in __pkvm_pgtable_stage2_unmap() local 307 for_each_mapping_in_range_safe(pgt, start, end, mapping) { in __pkvm_pgtable_stage2_unmap() 308 ret = kvm_call_hyp_nvhe(__pkvm_host_unshare_guest, handle, mapping->gfn, in __pkvm_pgtable_stage2_unmap() 309 mapping->nr_pages); in __pkvm_pgtable_stage2_unmap() 312 pkvm_mapping_remove(mapping, &pgt->pkvm_mappings); in __pkvm_pgtable_stage2_unmap() 313 kfree(mapping); in __pkvm_pgtable_stage2_unmap() 336 struct pkvm_mapping mapping = NULL; in pkvm_pgtable_stage2_map() local 352 mapping = pkvm_mapping_iter_first(&pgt->pkvm_mappings, addr, addr + size - 1); in pkvm_pgtable_stage2_map() 353 if (mapping) { in pkvm_pgtable_stage2_map() 354 if (size == (mapping->nr_pages * PAGE_SIZE)) in pkvm_pgtable_stage2_map() [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/fs/
H A D	dax.c	181 * @entry may no longer be the entry at the index in the mapping. 346 * A DAX folio is considered shared if it has no mapping set and ->share (which 353 return !folio->mapping && folio->share; in dax_folio_is_shared() 359 * previously been associated with any mappings the ->mapping and ->index 360 * fields will be set. If it has already been associated with a mapping 361 * the mapping will be cleared and the share count set. It's then up to 363 * recover ->mapping and ->index information. For example by implementing 370 * folio->mapping. in dax_folio_make_shared() 372 folio->mapping = NULL; in dax_folio_make_shared() 394 folio->mapping = NULL; in dax_folio_put() [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 …]
/linux/drivers/pci/
H A D	devres.c	11 * It is very strongly tied to the statically allocated mapping table in struct 13 * functions in this file providing things like ranged mapping by bypassing 15 * enter the mapping addresses into the table for users of the old API. 42 * A requested region spanning an entire BAR, and a mapping for 48 * A mapping within a BAR, either spanning the whole BAR or just a 435 * mapping's address directly from one of the pcim_* mapping functions. For 457 * Fill the legacy mapping-table, so that drivers using the old API can 458 * still get a BAR's mapping address through pcim_iomap_table(). 461 void __iomem *mapping, int bar) in pcim_add_mapping_to_legacy_table() argument 475 legacy_iomap_table[bar] = mapping; in pcim_add_mapping_to_legacy_table() [all …]
/linux/Documentation/core-api/
H A D	dma-attributes.rst	6 defined in linux/dma-mapping.h. 11 DMA_ATTR_WEAK_ORDERING specifies that reads and writes to the mapping 21 DMA_ATTR_WRITE_COMBINE specifies that writes to the mapping may be 32 virtual mapping for the allocated buffer. On some architectures creating 33 such mapping is non-trivial task and consumes very limited resources 52 having a mapping created separately for each device and is usually 67 device domain after releasing a mapping for it. Use this attribute with 73 By default DMA-mapping subsystem is allowed to assemble the buffer 82 This is a hint to the DMA-mapping subsystem that it's probably not worth 84 efficiency (AKA it's not worth trying to build the mapping out of larger [all …]

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