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David Howells 08eeec4452 mm/khugepaged.c: fix khugepaged's request size in collapse_file 
commit e5a59d308f upstream.

collapse_file() in khugepaged passes PAGE_SIZE as the number of pages to
be read to page_cache_sync_readahead().  The intent was probably to read
a single page.  Fix it to use the number of pages to the end of the
window instead.

Fixes: 99cb0dbd47 ("mm,thp: add read-only THP support for (non-shmem) FS")
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Acked-by: Song Liu <songliubraving@fb.com>
Acked-by: Yang Shi <shy828301@gmail.com>
Acked-by: Pankaj Gupta <pankaj.gupta.linux@gmail.com>
Cc: Eric Biggers <ebiggers@google.com>
Link: https://lkml.kernel.org/r/20200903140844.14194-2-willy@infradead.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-09-09 19:12:37 +02:00
..
kasan
kasan: disable branch tracing for core runtime
2020-05-27 17:46:48 +02:00
backing-dev.c
bdi: add a ->dev_name field to struct backing_dev_info
2020-05-14 07:58:30 +02:00
balloon_compaction.c
…
cleancache.c
…
cma_debug.c
…
cma.c
cma: don't quit at first error when activating reserved areas
2020-09-03 11:26:51 +02:00
cma.h
…
compaction.c
mm, compaction: make capture control handling safe wrt interrupts
2020-07-09 09:37:57 +02:00
debug_page_ref.c
…
debug.c
mm/debug.c: always print flags in dump_page()
2020-03-05 16:43:51 +01:00
dmapool.c
…
early_ioremap.c
…
fadvise.c
…
failslab.c
…
filemap.c
mm/filemap.c: don't bother dropping mmap_sem for zero size readahead
2020-08-05 09:59:41 +02:00
frame_vector.c
…
frontswap.c
…
gup_benchmark.c
mm/gup: fix memory leak in __gup_benchmark_ioctl
2020-01-09 10:20:00 +01:00
gup.c
gup: document and work around "COW can break either way" issue
2020-06-17 16:40:30 +02:00
highmem.c
…
hmm.c
…
huge_memory.c
mm: thp: make the THP mapcount atomic against __split_huge_pmd_locked()
2020-06-22 09:31:14 +02:00
hugetlb_cgroup.c
…
hugetlb.c
mm/hugetlb: fix a race between hugetlb sysctl handlers
2020-09-09 19:12:37 +02:00
hwpoison-inject.c
…
init-mm.c
…
internal.h
mm: drop mmap_sem before calling balance_dirty_pages() in write fault
2020-01-09 10:19:55 +01:00
interval_tree.c
…
Kconfig
…
Kconfig.debug
…
khugepaged.c
mm/khugepaged.c: fix khugepaged's request size in collapse_file
2020-09-09 19:12:37 +02:00
kmemleak-test.c
…
kmemleak.c
…
ksm.c
mm/ksm: fix NULL pointer dereference when KSM zero page is enabled
2020-04-29 16:33:15 +02:00
list_lru.c
…
maccess.c
uaccess: Add non-pagefault user-space write function
2020-01-17 19:48:40 +01:00
madvise.c
mm: madvise: fix vma user-after-free
2020-09-09 19:12:36 +02:00
Makefile
…
memblock.c
…
memcontrol.c
mm/memcg: fix refcount error while moving and swapping
2020-07-29 10:18:43 +02:00
memfd.c
…
memory_hotplug.c
mm/memory_hotplug: fix unpaired mem_hotplug_begin/done
2020-08-21 13:05:27 +02:00
memory-failure.c
…
memory.c
mm: drop mmap_sem before calling balance_dirty_pages() in write fault
2020-01-09 10:19:55 +01:00
mempolicy.c
mm: mempolicy: require at least one nodeid for MPOL_PREFERRED
2020-04-08 09:08:47 +02:00
mempool.c
…
memremap.c
mm/memory_hotplug: shrink zones when offlining memory
2020-01-09 10:19:56 +01:00
memtest.c
…
migrate.c
mm: move_pages: report the number of non-attempted pages
2020-02-11 04:35:13 -08:00
mincore.c
…
mlock.c
…
mm_init.c
…
mmap.c
mm/mmap.c: Add cond_resched() for exit_mmap() CPU stalls
2020-08-19 08:16:02 +02:00
mmu_context.c
mm: fix kthread_use_mm() vs TLB invalidate
2020-09-03 11:26:51 +02:00
mmu_gather.c
mm/mmu_gather: invalidate TLB correctly on batch allocation failure and flush
2020-02-11 04:35:42 -08:00
mmu_notifier.c
…
mmzone.c
…
mprotect.c
mm, numa: fix bad pmd by atomically check for pmd_trans_huge when marking page tables prot_numa
2020-03-12 13:00:19 +01:00
mremap.c
mm: Fix mremap not considering huge pmd devmap
2020-06-07 13:18:46 +02:00
msync.c
…
nommu.c
x86/mm: split vmalloc_sync_all()
2020-03-25 08:25:58 +01:00
oom_kill.c
mm/oom: fix pgtables units mismatch in Killed process message
2020-01-09 10:19:57 +01:00
page_alloc.c
mm, page_alloc: fix core hung in free_pcppages_bulk()
2020-08-26 10:40:51 +02:00
page_counter.c
mm/page_counter.c: fix protection usage propagation
2020-08-21 13:05:27 +02:00
page_ext.c
…
page_idle.c
…
page_io.c
…
page_isolation.c
…
page_owner.c
…
page_poison.c
…
page_vma_mapped.c
…
page-writeback.c
mm/page-writeback.c: avoid potential division by zero in wb_min_max_ratio()
2020-01-23 08:22:41 +01:00
pagewalk.c
…
percpu-internal.h
…
percpu-km.c
…
percpu-stats.c
…
percpu-vm.c
…
percpu.c
…
pgtable-generic.c
…
process_vm_access.c
…
readahead.c
…
rmap.c
…
rodata_test.c
…
shmem.c
shmem: fix possible deadlocks on shmlock_user_lock
2020-05-20 08:20:03 +02:00
shuffle.c
mm/shuffle: don't move pages between zones and don't read garbage memmaps
2020-09-03 11:26:51 +02:00
shuffle.h
…
slab_common.c
mm: memcg/slab: fix memory leak at non-root kmem_cache destroy
2020-07-29 10:18:44 +02:00
slab.c
mm, debug_pagealloc: don't rely on static keys too early
2020-01-23 08:22:40 +01:00
slab.h
…
slob.c
…
slub.c
mm: slub: fix conversion of freelist_corrupted()
2020-09-09 19:12:36 +02:00
sparse-vmemmap.c
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sparse.c
mm/sparse: fix kernel crash with pfn_section_valid check
2020-04-01 11:02:03 +02:00
swap_cgroup.c
…
swap_slots.c
…
swap_state.c
mm: fix swap cache node allocation mask
2020-07-09 09:37:49 +02:00
swap.c
…
swapfile.c
mm/swapfile.c: move inode_lock out of claim_swapfile
2020-04-01 11:02:02 +02:00
truncate.c
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usercopy.c
…
userfaultfd.c
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util.c
mm: add kvfree_sensitive() for freeing sensitive data objects
2020-06-17 16:40:23 +02:00
vmacache.c
…
vmalloc.c
mm/vunmap: add cond_resched() in vunmap_pmd_range
2020-09-03 11:26:52 +02:00
vmpressure.c
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vmscan.c
mm/vmscan.c: don't round up scan size for online memory cgroup
2020-02-28 17:22:20 +01:00
vmstat.c
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workingset.c
…
z3fold.c
…
zbud.c
…
zpool.c
…
zsmalloc.c
mm/zsmalloc.c: fix the migrated zspage statistics.
2020-01-09 10:19:56 +01:00
zswap.c
…