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Yang Shi 78d12c19e0 mm: thp: only regular file could be THP eligible 
Since commit a4aeaa06d45e ("mm: khugepaged: skip huge page collapse for
special files"), khugepaged just collapses THP for regular file which is
the intended usecase for readonly fs THP.  Only show regular file as THP
eligible accordingly.

And make file_thp_enabled() available for khugepaged too in order to
remove duplicate code.

Link: https://lkml.kernel.org/r/20220510203222.24246-5-shy828301@gmail.com
Signed-off-by: Yang Shi <shy828301@gmail.com>
Acked-by: Song Liu <song@kernel.org>
Acked-by: Vlastmil Babka <vbabka@suse.cz>
Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Miaohe Lin <linmiaohe@huawei.com>
Cc: Rik van Riel <riel@surriel.com>
Cc: Song Liu <songliubraving@fb.com>
Cc: Theodore Ts'o <tytso@mit.edu>
Cc: Zi Yan <ziy@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2022-05-19 14:08:49 -07:00
..
damon
mm/damon/reclaim: use resource_size function on resource object
2022-05-13 07:20:18 -07:00
kasan
kasan: give better names to shadow values
2022-05-13 07:20:19 -07:00
kfence
kfence: enable check kfence canary on panic via boot param
2022-05-13 07:20:06 -07:00
backing-dev.c
remove congestion tracking framework
2022-03-22 15:57:01 -07:00
balloon_compaction.c
mm/balloon_compaction: make balloon page compaction callbacks static
2022-03-28 16:52:57 -04:00
bootmem_info.c
bootmem: Use page->index instead of page->freelist
2022-01-06 12:27:03 +01:00
cma_debug.c
…
cma_sysfs.c
…
cma.c
mm/cma: provide option to opt out from exposing pages on activation failure
2022-03-22 15:57:09 -07:00
cma.h
mm/cma: provide option to opt out from exposing pages on activation failure
2022-03-22 15:57:09 -07:00
compaction.c
mm, compaction: fast_find_migrateblock() should return pfn in the target zone
2022-05-13 16:48:57 -07:00
debug_page_ref.c
…
debug_vm_pgtable.c
mm/debug_vm_pgtable: add tests for __HAVE_ARCH_PTE_SWP_EXCLUSIVE
2022-05-09 18:20:45 -07:00
debug.c
mm: unexport page_init_poison
2022-03-24 19:06:45 -07:00
dmapool.c
mm/dmapool.c: revert "make dma pool to use kmalloc_node"
2022-01-15 16:30:28 +02:00
early_ioremap.c
mm/early_ioremap: declare early_memremap_pgprot_adjust()
2022-03-22 15:57:11 -07:00
fadvise.c
remove inode_congested()
2022-03-22 15:57:01 -07:00
failslab.c
…
filemap.c
mm: teach core mm about pte markers
2022-05-13 07:20:09 -07:00
folio-compat.c
mm/rmap: Convert rmap_walk() to take a folio
2022-03-21 13:01:35 -04:00
frontswap.c
frontswap: remove support for multiple ops
2022-01-22 08:33:38 +02:00
gup_test.c
…
gup_test.h
…
gup.c
mm/gup: fix comments to pin_user_pages_*()
2022-05-09 18:20:47 -07:00
highmem.c
highmem: fix checks in __kmap_local_sched_{in,out}
2022-04-08 14:20:36 -10:00
hmm.c
mm: teach core mm about pte markers
2022-05-13 07:20:09 -07:00
huge_memory.c
mm: thp: only regular file could be THP eligible
2022-05-19 14:08:49 -07:00
hugetlb_cgroup.c
hugetlb: add hugetlb.*.numa_stat file
2022-01-15 16:30:29 +02:00
hugetlb_vmemmap.c
mm: hugetlb_vmemmap: add hugetlb_optimize_vmemmap sysctl
2022-05-13 16:48:56 -07:00
hugetlb_vmemmap.h
mm: hugetlb_vmemmap: cleanup CONFIG_HUGETLB_PAGE_FREE_VMEMMAP*
2022-04-28 23:16:15 -07:00
hugetlb.c
mm/hugetlb: handle uffd-wp during fork()
2022-05-13 07:20:11 -07:00
hwpoison-inject.c
mm/hwpoison: disable hwpoison filter during removing
2022-05-13 07:20:19 -07:00
init-mm.c
kernel/fork: Initialize mm's PASID
2022-02-14 19:51:47 +01:00
internal.h
mm/memory-failure.c: move clear_hwpoisoned_pages
2022-05-13 07:20:19 -07:00
interval_tree.c
…
io-mapping.c
…
ioremap.c
mm: move ioremap_page_range to vmalloc.c
2021-09-08 11:50:24 -07:00
Kconfig
mm/uffd: move USERFAULTFD configs into mm/
2022-05-13 07:20:12 -07:00
Kconfig.debug
mm: page table check
2022-01-15 16:30:28 +02:00
khugepaged.c
mm: thp: only regular file could be THP eligible
2022-05-19 14:08:49 -07:00
kmemleak.c
mm: kmemleak: take a full lowmem check in kmemleak_*_phys()
2022-04-15 14:49:56 -07:00
ksm.c
mm: remember exclusively mapped anonymous pages with PG_anon_exclusive
2022-05-09 18:20:44 -07:00
list_lru.c
mm/list_lru.c: revert "mm/list_lru: optimize memcg_reparent_list_lru_node()"
2022-04-08 14:20:36 -10:00
maccess.c
asm-generic updates for 5.18
2022-03-23 18:03:08 -07:00
madvise.c
mm: submit multipage reads for SWP_FS_OPS swap-space
2022-05-09 18:20:49 -07:00
Makefile
mm: hugetlb_vmemmap: cleanup CONFIG_HUGETLB_PAGE_FREE_VMEMMAP*
2022-04-28 23:16:15 -07:00
mapping_dirty_helpers.c
mm: move tlb_flush_pending inline helpers to mm_inline.h
2022-01-15 16:30:27 +02:00
memblock.c
memblock: test suite and a small cleanup
2022-03-27 13:36:06 -07:00
memcontrol.c
mm/memcontrol: export memcg->watermark via sysfs for v2 memcg
2022-05-13 16:48:57 -07:00
memfd.c
memfd: fix F_SEAL_WRITE after shmem huge page allocated
2022-03-05 11:08:32 -08:00
memory_hotplug.c
mm: hugetlb_vmemmap: add hugetlb_optimize_vmemmap sysctl
2022-05-13 16:48:56 -07:00
memory-failure.c
mm/memory-failure.c: simplify num_poisoned_pages_inc/dec
2022-05-13 07:20:19 -07:00
memory.c
mm/shmem: remove duplicate include in memory.c
2022-05-13 07:20:14 -07:00
mempolicy.c
mm: remove alloc_pages_vma()
2022-05-13 07:20:15 -07:00
mempool.c
mm: remove spurious blkdev.h includes
2021-10-18 06:17:01 -06:00
memremap.c
mm/page-flags: reuse PG_mappedtodisk as PG_anon_exclusive for PageAnon() pages
2022-05-09 18:20:44 -07:00
memtest.c
…
migrate_device.c
mm: remember exclusively mapped anonymous pages with PG_anon_exclusive
2022-05-09 18:20:44 -07:00
migrate.c
mm/migrate: convert move_to_new_page() into move_to_new_folio()
2022-05-13 07:20:17 -07:00
mincore.c
mm: teach core mm about pte markers
2022-05-13 07:20:09 -07:00
mlock.c
mm/munlock: protect the per-CPU pagevec by a local_lock_t
2022-04-01 11:46:09 -07:00
mm_init.c
…
mmap_lock.c
…
mmap.c
mmap locking API: fix missed mmap_sem references in comments
2022-05-13 07:20:07 -07:00
mmu_gather.c
mm/mmu_gather: limit free batch count and add schedule point in tlb_batch_pages_flush
2022-04-28 23:16:12 -07:00
mmu_notifier.c
mm/mmu_notifier.c: fix race in mmu_interval_notifier_remove()
2022-04-21 20:01:10 -07:00
mmzone.c
Folio changes for 5.18
2022-03-22 17:03:12 -07:00
mprotect.c
mm/hugetlb: handle UFFDIO_WRITEPROTECT
2022-05-13 07:20:11 -07:00
mremap.c
mm: hugetlb: considering PMD sharing when flushing cache/TLBs
2022-05-13 07:20:07 -07:00
msync.c
…
nommu.c
no-MMU: expose vmalloc_huge() for alloc_large_system_hash()
2022-04-25 10:11:49 -07:00
oom_kill.c
oom_kill.c: futex: delay the OOM reaper to allow time for proper futex cleanup
2022-04-21 20:01:10 -07:00
page_alloc.c
mm/memory-failure.c: simplify num_poisoned_pages_dec
2022-05-13 07:20:19 -07:00
page_counter.c
mm/page_counter: remove an incorrect call to propagate_protected_usage()
2022-01-15 16:30:27 +02:00
page_ext.c
mm: use for_each_online_node and node_online instead of open coding
2022-04-29 14:36:58 -07:00
page_idle.c
mm/rmap: Constify the rmap_walk_control argument
2022-03-21 13:01:35 -04:00
page_io.c
MM: handle THP in swap_*page_fs() - count_vm_events()
2022-05-09 18:20:49 -07:00
page_isolation.c
mm: page_isolation: enable arbitrary range page isolation.
2022-05-13 07:20:13 -07:00
page_owner.c
mm/page_owner: use strscpy() instead of strlcpy()
2022-05-13 07:20:19 -07:00
page_poison.c
…
page_reporting.c
…
page_reporting.h
…
page_table_check.c
mm: page_table_check: move pxx_user_accessible_page into x86
2022-05-13 07:20:17 -07:00
page_vma_mapped.c
mm: pvmw: add support for walking devmap pages
2022-04-28 23:16:10 -07:00
page-writeback.c
mm: rework calculation of bdi_min_ratio in bdi_set_min_ratio
2022-04-28 23:15:57 -07:00
pagewalk.c
…
percpu-internal.h
percpu: improve percpu_alloc_percpu event trace
2022-05-13 07:20:18 -07:00
percpu-km.c
…
percpu-stats.c
mm: use vmalloc_array and vcalloc for array allocations
2022-03-08 09:30:46 -05:00
percpu-vm.c
…
percpu.c
percpu: improve percpu_alloc_percpu event trace
2022-05-13 07:20:18 -07:00
pgalloc-track.h
…
pgtable-generic.c
mm: avoid unnecessary flush on change_huge_pmd()
2022-05-13 07:20:05 -07:00
process_vm_access.c
…
ptdump.c
mm: sparsemem: use page table lock to protect kernel pmd operations
2022-03-22 15:57:08 -07:00
readahead.c
readahead: Update comments
2022-04-01 14:40:42 -04:00
rmap.c
mm: rmap: fix CONT-PTE/PMD size hugetlb issue when unmapping
2022-05-13 16:48:56 -07:00
rodata_test.c
…
secretmem.c
mm/secretmem: fix panic when growing a memfd_secret
2022-04-15 14:49:54 -07:00
shmem.c
mm/shmem: convert shmem_swapin_page() to shmem_swapin_folio()
2022-05-13 07:20:17 -07:00
shuffle.c
…
shuffle.h
…
slab_common.c
mm: make minimum slab alignment a runtime property
2022-05-13 07:20:07 -07:00
slab.c
mm: make minimum slab alignment a runtime property
2022-05-13 07:20:07 -07:00
slab.h
mm, kfence: support kmem_dump_obj() for KFENCE objects
2022-04-15 14:49:55 -07:00
slob.c
mm: make minimum slab alignment a runtime property
2022-05-13 07:20:07 -07:00
slub.c
mm, kfence: support kmem_dump_obj() for KFENCE objects
2022-04-15 14:49:55 -07:00
sparse-vmemmap.c
mm/sparse-vmemmap: improve memory savings for compound devmaps
2022-04-28 23:16:16 -07:00
sparse.c
mm/memory-failure.c: move clear_hwpoisoned_pages
2022-05-13 07:20:19 -07:00
swap_cgroup.c
mm: use vmalloc_array and vcalloc for array allocations
2022-03-08 09:30:46 -05:00
swap_slots.c
swap: turn get_swap_page() into folio_alloc_swap()
2022-05-13 07:20:15 -07:00
swap_state.c
swap: convert add_to_swap() to take a folio
2022-05-13 07:20:15 -07:00
swap.c
mm/munlock: protect the per-CPU pagevec by a local_lock_t
2022-04-01 11:46:09 -07:00
swap.h
swap: convert add_to_swap() to take a folio
2022-05-13 07:20:15 -07:00
swapfile.c
swap: turn get_swap_page() into folio_alloc_swap()
2022-05-13 07:20:15 -07:00
truncate.c
Filesystem folio changes for 5.18
2022-03-22 18:26:56 -07:00
usercopy.c
Merge branch 'akpm' (patches from Andrew)
2022-03-22 16:11:53 -07:00
userfaultfd.c
mm/uffd: enable write protection for shmem & hugetlbfs
2022-05-13 07:20:11 -07:00
util.c
mm: create new mm/swap.h header file
2022-05-09 18:20:47 -07:00
vmacache.c
…
vmalloc.c
mm/vmalloc: use raw_cpu_ptr() for vmap_block_queue access
2022-05-13 07:20:18 -07:00
vmpressure.c
mm/vmpressure: fix data-race with memcg->socket_pressure
2021-11-06 13:30:40 -07:00
vmscan.c
vmscan: remove remaining uses of page in shrink_page_list
2022-05-13 07:20:16 -07:00
vmstat.c
mm/vmstat: add events for ksm cow
2022-04-28 23:16:16 -07:00
workingset.c
memcg: sync flush only if periodic flush is delayed
2022-04-21 20:01:09 -07:00
z3fold.c
mm/z3fold: remove unneeded PAGE_HEADLESS check in free_handle()
2022-04-28 23:16:06 -07:00
zbud.c
…
zpool.c
zpool: remove the list of pools_head
2022-01-15 16:30:31 +02:00
zsmalloc.c
zsmalloc: replace get_cpu_var with local_lock
2022-01-22 08:33:37 +02:00
zswap.c
mm: create new mm/swap.h header file
2022-05-09 18:20:47 -07:00