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/linux/fs/jfs/
H A Djfs_imap.h60 * note: this indicates free and backed
61 * inodes, if the extent is not backed the
63 * backed but all inodes are being used the
65 * backed but at least one of the inodes is
85 __le32 numinos; /* 4: number of backed inodes */
92 int numinos; /* number of backed inodes */
102 __le32 in_numinos; /* 4: num of backed inodes */
103 __le32 in_numfree; /* 4: num of free backed inodes */
115 int in_numinos; /* num of backed inodes */
116 int in_numfree; /* num of free backed inodes */
[all …]
H A Djfs_imap.c828 * is to be freed and it is the only backed extent within
1205 /* update the number of free inodes and backed inodes in diFree()
1416 /* check if the extent containing the hint has backed in diAlloc()
1459 * try to allocate from the backed extents following in diAlloc()
1615 * the request by allocating an existing (backed) free inode
1638 /* get the number of free and the number of backed disk in diAllocAG()
1652 * inodes is a small percentage of the number of backed inodes. in diAllocAG()
1666 * below to allocate a free and existing (already backed) in diAllocAG()
1982 * FUNCTION: allocate a backed inode from an iag.
1985 * specified inode from a backed extent.
[all …]
/linux/Documentation/admin-guide/mm/
H A Dnommu-mmap.rst21 In the MMU case: VM regions backed by arbitrary pages; copy-on-write
24 In the no-MMU case: VM regions backed by arbitrary contiguous runs of
36 In the MMU case: VM regions backed by pages read from file; changes to
64 the mapping's backing pages. The page is then backed by swap instead.
71 In the MMU case: VM regions backed by pages read from file; changes to
77 (#) Memory backed regular file, MAP_SHARED, PROT_READ / PROT_EXEC / PROT_WRITE
81 In the no-MMU case: The filesystem providing the memory-backed file
88 (#) Memory backed blockdev, MAP_SHARED, PROT_READ / PROT_EXEC / PROT_WRITE
92 In the no-MMU case: As for memory backed regular files, but the
97 (#) Memory backed chardev, MAP_SHARED, PROT_READ / PROT_EXEC / PROT_WRITE
[all …]
H A Dpagemap.rst142 ie. for file backed page: (in-memory data revision >= on-disk one)
145 i.e. for file backed page: (in-memory data revision > on-disk one)
171 The page is backed by swap/RAM.
192 the pages are backed. For anonymous shared pages, the file can be found in
230 - ``PAGE_IS_FILE`` - Page is file backed
234 - ``PAGE_IS_HUGE`` - Page is PMD-mapped THP or Hugetlb backed
265 Find pages which have been written, are file backed, not swapped and either
/linux/drivers/gpu/drm/nouveau/
H A Dnouveau_exec.c26 * backed by a GEM object and the kernel will ignore GEM handles provided
29 * Userspace may request memory backed mappings either within or outside of the
31 * mapping. Subsequently requested memory backed mappings within a sparse
33 * mapping. If such memory backed mappings are unmapped the kernel will make
35 * Requests to unmap a sparse mapping that still contains memory backed mappings
36 * will result in those memory backed mappings being unmapped first.
40 * make sure to unmap all memory backed mappings within the given range,
41 * splitting up memory backed mappings which are only partially contained
46 * backed mappings being mapped and unmapped, either within a single or multiple
53 * - unmap a sparse mapping and map new memory backed mappings overlapping the
/linux/drivers/clk/meson/
H A Dclk-regmap.h14 * struct clk_regmap - regmap backed clock
20 * Clock which is controlled by regmap backed registers. The actual type of
35 * struct clk_regmap_gate_data - regmap backed gate specific data
60 * struct clk_regmap_div_data - regmap backed adjustable divider specific data
88 * struct clk_regmap_mux_data - regmap backed multiplexer clock specific data
/linux/Documentation/devicetree/bindings/pmem/
H A Dpmem-region.txt36 backed by non-persistent memory. This lets the OS know that it
41 is backed by non-volatile memory.
48 * 0x5000 to 0x5fff that is backed by non-volatile memory.
56 * This node specifies two 4KB regions that are backed by
/linux/tools/testing/selftests/futex/functional/
H A Dfutex_wait.c125 /* Testing a file backed shared memory */ in main()
147 info("Calling shared (file backed) futex_wait on futex: %p\n", futex); in main()
153 info("Calling shared (file backed) futex_wake on futex: %p\n", futex); in main()
156 ksft_test_result_fail("futex_wake shared (file backed) returned: %d %s\n", in main()
160 ksft_test_result_pass("futex_wake shared (file backed) succeeds\n"); in main()
/linux/Documentation/networking/devlink/
H A Ddevlink-flash.rst92 $want_flash_vers = some-db-backed.lookup($hw_id, 'flash')
96 $file = some-db-backed.download($hw_id, 'flash')
100 $want_fw_vers = some-db-backed.lookup($hw_id, 'all')
104 $file = some-db-backed.download($hw_id, 'disk')
/linux/drivers/dma-buf/heaps/
H A DKconfig6 is backed by pages from the buddy allocator. If in doubt, say Y.
12 Choose this option to enable dma-buf CMA heap. This heap is backed
/linux/tools/testing/selftests/kvm/x86_64/
H A Dvmx_apic_access_test.c
/linux/drivers/gpu/drm/armada/
H A Darmada_gem.h17 struct drm_mm_node *linear; /* for linear backed */
18 struct page *page; /* for page backed */
/linux/security/loadpin/
H A DKconfig11 have a root filesystem backed by a read-only device such as
31 digests it considers trusted. A verity backed filesystem is
/linux/fs/romfs/
H A DKconfig30 bool "Block device-backed ROM file system support"
40 bool "MTD-backed ROM file system support"
/linux/include/uapi/linux/
H A Dnitro_enclaves.h138 * * NE_ERR_MEM_NOT_HUGE_PAGE - The memory region is not backed by
144 * * NE_ERR_INVALID_PAGE_SIZE - The memory region is not backed by
219 * NE_ERR_MEM_NOT_HUGE_PAGE - The user space memory region is not backed by
224 * NE_ERR_MEM_DIFFERENT_NUMA_NODE - The user space memory region is backed by
268 * NE_ERR_INVALID_PAGE_SIZE - The user space memory region is not backed by pages
/linux/drivers/gpu/drm/gma500/
H A Dframebuffer.c60 * psb_framebuffer_create - create a framebuffer backed by gt
65 * Create a framebuffer object backed by the gt, and fill in the
95 * Create a new framebuffer backed by a userspace GEM object
/linux/Documentation/arch/powerpc/
H A Dultravisor.rst196 * Normal page: Page backed by normal memory and available to
199 * Shared page: A page backed by normal memory and available to both
206 * Secure page: Page backed by secure memory and only available to
714 If the address is already backed by a secure page, unmap the page and
716 is not backed by any page yet, mark the PTE as insecure and back it
718 backed by an insecure page, zero the page and return.
723 #. The Hypervisor cannot access the SVM pages since they are backed by
763 If the address is already backed by an insecure page, unmap the page
765 reference to its shared page. If the address is not backed by a page
767 address is accessed. If it is already backed by an secure page zero
/linux/arch/arm64/include/asm/
H A Darchrandom.h89 * hardware backed entropy) is closer to the idea behind this in arch_get_random_seed_longs()
115 * RNDRRS is not backed by an entropy source but by a DRBG that is in arch_get_random_seed_longs()
/linux/Documentation/admin-guide/
H A Drtc.rst6 something that tracks wall clock time and is battery backed so that it
113 than expecting a single battery-backed MC146818 clone on every system.
134 example, maybe the low-power battery-backed RTC is a discrete I2C chip, but
/linux/drivers/acpi/nfit/
H A Dnfit.h131 #define NFIT_FIC_BYTE cpu_to_le16(0x101) /* byte-addressable energy backed */
132 #define NFIT_FIC_BLK cpu_to_le16(0x201) /* block-addressable non-energy backed */
133 #define NFIT_FIC_BYTEN cpu_to_le16(0x301) /* byte-addressable non-energy backed */
/linux/drivers/gpu/drm/i915/gem/selftests/
H A Di915_gem_migrate.c150 pr_err("object still backed by lmem\n"); in lmem_pages_migrate_one()
155 pr_err("object not backed by struct page\n"); in lmem_pages_migrate_one()
169 pr_err("object still backed by struct page\n"); in lmem_pages_migrate_one()
174 pr_err("object not backed by lmem\n"); in lmem_pages_migrate_one()
/linux/tools/testing/selftests/mm/
H A Dsplit_huge_page_test.c283 ksft_exit_fail_msg("Fail to create file-backed THP split testing file\n"); in split_file_backed_thp()
292 /* write something to the file, so a file-backed THP can be allocated */ in split_file_backed_thp()
301 /* split the file-backed THP */ in split_file_backed_thp()
321 ksft_test_result_pass("File-backed THP split test done\n"); in split_file_backed_thp()
/linux/drivers/gpu/drm/vmwgfx/
H A Dvmwgfx_mob.c291 * vmw_otables_setup - Set up guest backed memory object tables
295 * Takes care of the device guest backed surface
296 * initialization, by setting up the guest backed memory object tables.
355 * vmw_otables_takedown - Take down guest backed memory object tables
369 * needed for a guest backed memory object.
/linux/mm/
H A Dmempool.c63 /* Mempools backed by slab allocator */ in check_element()
69 /* Mempools backed by page allocator */ in check_element()
92 /* Mempools backed by slab allocator */ in poison_element()
98 /* Mempools backed by page allocator */ in poison_element()
601 * A simple mempool-backed page allocator that allocates pages in mempool_kvfree()
/linux/fs/erofs/
H A DKconfig78 bool "File-backed EROFS filesystem support"
155 This permits EROFS to use fscache-backed data blobs with on-demand

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