linux/mm
Matthew Wilcox (Oracle) e2333dad2d mm/huge_memory: fix can_split_huge_page assumption of THP size
Ask the page how many subpages it has instead of assuming it's PMD size.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: SeongJae Park <sjpark@amazon.de>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Acked-by: "Huang, Ying" <ying.huang@intel.com>
Link: https://lkml.kernel.org/r/20200908195539.25896-8-willy@infradead.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-10-16 11:11:15 -07:00
..
kasan mm: kasan: do not panic if both panic_on_warn and kasan_multishot set 2020-10-13 18:38:32 -07:00
backing-dev.c bdi: replace BDI_CAP_NO_{WRITEBACK,ACCT_DIRTY} with a single flag 2020-09-24 13:43:39 -06:00
balloon_compaction.c
cleancache.c
cma_debug.c debugfs: make sure we can remove u32_array files cleanly 2020-07-10 13:54:00 -07:00
cma.c cma: don't quit at first error when activating reserved areas 2020-08-12 10:57:57 -07:00
cma.h mm: cma: use CMA_MAX_NAME to define the length of cma name array 2020-09-01 09:19:43 +02:00
compaction.c mm/compaction.c: micro-optimization remove unnecessary branch 2020-10-13 18:38:34 -07:00
debug_page_ref.c
debug_vm_pgtable.c mm/debug_vm_pgtable: avoid doing memory allocation with pgtable_t mapped. 2020-10-16 11:11:14 -07:00
debug.c mm, dump_page: rename head_mapcount() --> head_compound_mapcount() 2020-10-13 18:38:29 -07:00
dmapool.c mm/dmapool.c: replace hard coded function name with __func__ 2020-10-13 18:38:32 -07:00
early_ioremap.c
fadvise.c mm, fadvise: improve the expensive remote LRU cache draining after FADV_DONTNEED 2020-10-13 18:38:29 -07:00
failslab.c
filemap.c mm/filemap: fix page cache removal for arbitrary sized THPs 2020-10-16 11:11:15 -07:00
frame_vector.c
frontswap.c mm/frontswap: mark various intentional data races 2020-08-14 19:56:56 -07:00
gup_benchmark.c mm/gup_benchmark: use pin_user_pages for FOLL_LONGTERM flag 2020-10-13 18:38:29 -07:00
gup.c mm/gup: protect unpin_user_pages() against npages==-ERRNO 2020-10-13 18:38:29 -07:00
highmem.c
hmm.c mm: do page fault accounting in handle_mm_fault 2020-08-12 10:58:02 -07:00
huge_memory.c mm/huge_memory: fix can_split_huge_page assumption of THP size 2020-10-16 11:11:15 -07:00
hugetlb_cgroup.c hugetlb_cgroup: convert comma to semicolon 2020-08-21 09:52:52 -07:00
hugetlb.c dma-mapping updates for 5.10 2020-10-15 14:43:29 -07:00
hwpoison-inject.c
init-mm.c
internal.h i915: use find_lock_page instead of find_lock_entry 2020-10-13 18:38:29 -07:00
interval_tree.c
ioremap.c mm: move p?d_alloc_track to separate header file 2020-08-07 11:33:26 -07:00
Kconfig dma-mapping updates for 5.10 2020-10-15 14:43:29 -07:00
Kconfig.debug
khugepaged.c mm: khugepaged: recalculate min_free_kbytes after memory hotplug as expected by khugepaged 2020-10-11 10:31:11 -07:00
kmemleak.c mm/kmemleak: rely on rcu for task stack scanning 2020-10-13 18:38:27 -07:00
ksm.c ksm: reinstate memcg charge on copied pages 2020-09-19 13:13:38 -07:00
list_lru.c mm/list_lru: fix a data race in list_lru_count_one 2020-08-14 19:56:57 -07:00
maccess.c uaccess: add force_uaccess_{begin,end} helpers 2020-08-12 10:57:59 -07:00
madvise.c mm: optimise madvise WILLNEED 2020-10-13 18:38:29 -07:00
Makefile mm,kmemleak-test.c: move kmemleak-test.c to samples dir 2020-10-13 18:38:27 -07:00
mapping_dirty_helpers.c
memblock.c memblock: use separate iterators for memory and reserved regions 2020-10-13 18:38:35 -07:00
memcontrol.c mm/memcg: fix device private memcg accounting 2020-10-13 18:38:31 -07:00
memfd.c
memory_hotplug.c mm/memory_hotplug: introduce default phys_to_target_node() implementation 2020-10-13 18:38:27 -07:00
memory-failure.c mm/memory-failure.c: remove unused macro `writeback' 2020-10-13 18:38:32 -07:00
memory.c mm/memory: remove page fault assumption of compound page size 2020-10-16 11:11:15 -07:00
mempolicy.c mm: remove unused alloc_page_vma_node() 2020-10-13 18:38:34 -07:00
mempool.c mm/mempool: add 'else' to split mutually exclusive case 2020-10-13 18:38:34 -07:00
memremap.c mm/memremap.c: convert devmap static branch to {inc,dec} 2020-10-13 18:38:30 -07:00
memtest.c
migrate.c mm/migrate: remove obsolete comment about device public 2020-10-13 18:38:36 -07:00
mincore.c mm: factor find_get_incore_page out of mincore_page 2020-10-13 18:38:29 -07:00
mlock.c mlock: fix unevictable_pgs event counts on THP 2020-09-19 13:13:38 -07:00
mm_init.c mm: adjust vm_committed_as_batch according to vm overcommit policy 2020-08-07 11:33:26 -07:00
mmap.c mm/mmap.c: replace do_brk with do_brk_flags in comment of insert_vm_struct() 2020-10-13 18:38:32 -07:00
mmu_gather.c
mmu_notifier.c mm: mmu_notifier: fix and extend kerneldoc 2020-08-12 10:57:57 -07:00
mmzone.c
mprotect.c mm: Introduce arch_validate_flags() 2020-09-04 12:46:07 +01:00
mremap.c mm/mremap: start addresses are properly aligned 2020-08-07 11:33:27 -07:00
msync.c
nommu.c Fix references to nommu-mmap.rst 2020-09-24 11:03:40 -06:00
oom_kill.c mm, oom_adj: don't loop through tasks in __set_oom_adj when not necessary 2020-10-13 18:38:35 -07:00
page_alloc.c mm/page_owner: change split_page_owner to take a count 2020-10-16 11:11:15 -07:00
page_counter.c mm/page_counter: correct the obsolete func name in the comment of page_counter_try_charge() 2020-10-13 18:38:30 -07:00
page_ext.c
page_idle.c
page_io.c mm/page_io.c: remove useless out label in __swap_writepage() 2020-10-13 18:38:30 -07:00
page_isolation.c mm/page_isolation: cleanup set_migratetype_isolate() 2020-10-13 18:38:33 -07:00
page_owner.c mm/page_owner: change split_page_owner to take a count 2020-10-16 11:11:15 -07:00
page_poison.c
page_reporting.c
page_reporting.h
page_vma_mapped.c mm: replace hpage_nr_pages with thp_nr_pages 2020-08-14 19:56:56 -07:00
page-writeback.c bdi: replace BDI_CAP_NO_{WRITEBACK,ACCT_DIRTY} with a single flag 2020-09-24 13:43:39 -06:00
pagewalk.c
percpu-internal.h mm: memcg/percpu: account percpu memory to memory cgroups 2020-08-12 10:57:55 -07:00
percpu-km.c mm: memcg/percpu: account percpu memory to memory cgroups 2020-08-12 10:57:55 -07:00
percpu-stats.c mm: memcg/percpu: account percpu memory to memory cgroups 2020-08-12 10:57:55 -07:00
percpu-vm.c mm: memcg/percpu: account percpu memory to memory cgroups 2020-08-12 10:57:55 -07:00
percpu.c percpu: fix first chunk size calculation for populated bitmap 2020-09-17 17:34:39 +00:00
pgalloc-track.h mm: move p?d_alloc_track to separate header file 2020-08-07 11:33:26 -07:00
pgtable-generic.c
process_vm_access.c mm: remove compat_process_vm_{readv,writev} 2020-10-03 00:02:15 -04:00
ptdump.c
readahead.c
rmap.c mm/rmap: fixup copying of soft dirty and uffd ptes 2020-09-05 12:14:30 -07:00
rodata_test.c mm/rodata_test.c: fix missing function declaration 2020-08-21 09:52:53 -07:00
shmem.c mm/shmem: return head page from find_lock_entry 2020-10-13 18:38:29 -07:00
shuffle.c mm/shuffle: remove dynamic reconfiguration 2020-08-07 11:33:29 -07:00
shuffle.h mm/shuffle: remove dynamic reconfiguration 2020-08-07 11:33:29 -07:00
slab_common.c mm/slab_common.c: delete duplicated word 2020-08-12 10:57:58 -07:00
slab.c mm: memcg/slab: uncharge during kmem_cache_free_bulk() 2020-10-13 18:38:31 -07:00
slab.h mm: memcg/slab: uncharge during kmem_cache_free_bulk() 2020-10-13 18:38:31 -07:00
slob.c mm: memcg: convert vmstat slab counters to bytes 2020-08-07 11:33:24 -07:00
slub.c mm: memcg/slab: uncharge during kmem_cache_free_bulk() 2020-10-13 18:38:31 -07:00
sparse-vmemmap.c mm/sparse: only sub-section aligned range would be populated 2020-08-07 11:33:27 -07:00
sparse.c arch, mm: replace for_each_memblock() with for_each_mem_pfn_range() 2020-10-13 18:38:35 -07:00
swap_cgroup.c
swap_slots.c mm/swap_slots.c: remove always zero and unused return value of enable_swap_slots_cache() 2020-10-13 18:38:30 -07:00
swap_state.c swap: rename SWP_FS to SWAP_FS_OPS to avoid ambiguity 2020-10-13 18:38:29 -07:00
swap.c mm: move call to compound_head() in release_pages() 2020-10-13 18:38:33 -07:00
swapfile.c mm/swapfile.c: fix potential memory leak in sys_swapon 2020-10-13 18:38:30 -07:00
truncate.c mm, fadvise: improve the expensive remote LRU cache draining after FADV_DONTNEED 2020-10-13 18:38:29 -07:00
usercopy.c mm/usercopy.c: delete duplicated word 2020-08-12 10:57:58 -07:00
userfaultfd.c mm/vmscan: protect the workingset on anonymous LRU 2020-08-12 10:57:55 -07:00
util.c arm64: mte: Tags-aware aware memcmp_pages() implementation 2020-09-04 12:46:07 +01:00
vmacache.c
vmalloc.c mm/vmalloc.c: fix the comment of find_vm_area 2020-10-13 18:38:32 -07:00
vmpressure.c
vmscan.c mm/vmscan: fix comments for isolate_lru_page() 2020-10-13 18:38:34 -07:00
vmstat.c Merge branch 'simplify-do_wp_page' 2020-09-04 09:31:54 -07:00
workingset.c mm: replace hpage_nr_pages with thp_nr_pages 2020-08-14 19:56:56 -07:00
z3fold.c mm/z3fold.c: use xx_zalloc instead xx_alloc and memset 2020-10-13 18:38:34 -07:00
zbud.c mm/zbud: remove redundant initialization 2020-10-13 18:38:34 -07:00
zpool.c mm/zpool.c: delete duplicated word and fix grammar 2020-08-12 10:57:58 -07:00
zsmalloc.c mm/zsmalloc.c: fix duplicated words 2020-08-12 10:57:58 -07:00
zswap.c