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Matthew Wilcox (Oracle) d16c5d215b mm/memory-failure: check the mapcount of the precise page 
commit c79c5a0a00a9457718056b588f312baadf44e471 upstream.

A process may map only some of the pages in a folio, and might be missed
if it maps the poisoned page but not the head page.  Or it might be
unnecessarily hit if it maps the head page, but not the poisoned page.

Link: https://lkml.kernel.org/r/20231218135837.3310403-3-willy@infradead.org
Fixes: 7af446a841a2 ("HWPOISON, hugetlb: enable error handling path for hugepage")
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-01-05 15:19:43 +01:00
..
damon
mm/damon/core: make damon_start() waits until kdamond_fn() starts
2024-01-01 12:42:23 +00:00
kasan
kasan: disable kasan_non_canonical_hook() for HW tags
2023-10-18 12:12:41 -07:00
kfence
LoongArch changes for v6.6
2023-09-08 12:16:52 -07:00
kmsan
mm: kmsan: use helper macros PAGE_ALIGN and PAGE_ALIGN_DOWN
2023-08-21 13:37:29 -07:00
backing-dev.c
writeback: remove redundant checks for root memcg
2023-08-21 13:37:48 -07:00
balloon_compaction.c
…
bootmem_info.c
…
cma_debug.c
…
cma_sysfs.c
mm: cma: make kobj_type structure constant
2023-03-28 16:20:06 -07:00
cma.c
mm/cma: use nth_page() in place of direct struct page manipulation
2023-11-28 17:20:06 +00:00
cma.h
…
compaction.c
merge mm-hotfixes-stable into mm-stable to pick up depended-upon changes
2023-08-21 14:26:20 -07:00
debug_page_alloc.c
mm: page_alloc: split out DEBUG_PAGEALLOC
2023-06-09 16:25:23 -07:00
debug_page_ref.c
…
debug_vm_pgtable.c
Add x86 shadow stack support
2023-08-31 12:20:12 -07:00
debug.c
mm: update validate_mm() to use vma iterator
2023-06-09 16:25:31 -07:00
dmapool_test.c
dmapool: add alloc/free performance test
2023-04-05 19:42:38 -07:00
dmapool.c
dmapool: create/destroy cleanup
2023-06-09 16:25:17 -07:00
early_ioremap.c
mm/early_ioremap.c: improve the execution efficiency of early_ioremap_setup()
2023-06-09 16:25:56 -07:00
fadvise.c
mm: remove unnecessary pagevec includes
2023-06-23 16:59:31 -07:00
fail_page_alloc.c
mm: page_alloc: split out FAIL_PAGE_ALLOC
2023-06-09 16:25:23 -07:00
failslab.c
…
filemap.c
mm/filemap: avoid buffered read/write race to read inconsistent data
2024-01-05 15:19:43 +01:00
folio-compat.c
filemap: Add fgf_t typedef
2023-07-24 18:04:30 -04:00
gup_test.c
Merge mm-hotfixes-stable into mm-stable to pick up depended-upon changes.
2023-06-23 16:58:19 -07:00
gup_test.h
…
gup.c
Add x86 shadow stack support
2023-08-31 12:20:12 -07:00
highmem.c
mm: ptep_get() conversion
2023-06-19 16:19:25 -07:00
hmm.c
mm: enable page walking API to lock vmas during the walk
2023-08-21 13:07:20 -07:00
huge_memory.c
mm: fix for negative counter: nr_file_hugepages
2023-11-28 17:20:13 +00:00
hugetlb_cgroup.c
mm/hugetlb: increase use of folios in alloc_huge_page()
2023-02-13 15:54:27 -08:00
hugetlb_vmemmap.c
mm: hugetlb_vmemmap: fix a race between vmemmap pmd split
2023-08-18 10:12:14 -07:00
hugetlb_vmemmap.h
…
hugetlb.c
hugetlb: fix null-ptr-deref in hugetlb_vma_lock_write
2023-12-13 18:45:24 +01:00
hwpoison-inject.c
…
init-mm.c
mm: move dummy_vm_ops out of a header
2023-08-21 13:37:46 -07:00
internal.h
Add x86 shadow stack support
2023-08-31 12:20:12 -07:00
interval_tree.c
…
io-mapping.c
…
ioremap.c
mm: ioremap: remove unneeded ioremap_allowed and iounmap_allowed
2023-08-18 10:12:36 -07:00
Kconfig
- Some swap cleanups from Ma Wupeng ("fix WARN_ON in add_to_avail_list")
2023-08-29 14:25:26 -07:00
Kconfig.debug
mm: page_table_check: Make it dependent on EXCLUSIVE_SYSTEM_RAM
2023-05-29 16:14:28 +01:00
khugepaged.c
- Some swap cleanups from Ma Wupeng ("fix WARN_ON in add_to_avail_list")
2023-08-29 14:25:26 -07:00
kmemleak.c
mm/kmemleak: move up cond_resched() call in page scanning loop
2023-09-02 15:17:34 -07:00
ksm.c
mm: memory-failure: use rcu lock instead of tasklist_lock when collect_procs()
2023-09-05 11:11:52 -07:00
list_lru.c
…
maccess.c
mm: Fix copy_from_user_nofault().
2023-04-12 17:36:23 -07:00
madvise.c
swap: remove remnants of polling from read_swap_cache_async
2023-08-24 16:20:16 -07:00
Makefile
- Some swap cleanups from Ma Wupeng ("fix WARN_ON in add_to_avail_list")
2023-08-29 14:25:26 -07:00
mapping_dirty_helpers.c
mm: fix clean_record_shared_mapping_range kernel-doc
2023-08-24 16:20:30 -07:00
memblock.c
mm: disable kernelcore=mirror when no mirror memory
2023-08-21 13:37:43 -07:00
memcontrol.c
mm: kmem: drop __GFP_NOFAIL when allocating objcg vectors
2023-11-28 17:20:13 +00:00
memfd.c
revert "memfd: improve userspace warnings for missing exec-related flags".
2023-09-05 11:11:52 -07:00
memory_hotplug.c
mm/memory_hotplug: fix error handling in add_memory_resource()
2023-12-13 18:45:25 +01:00
memory-failure.c
mm/memory-failure: check the mapcount of the precise page
2024-01-05 15:19:43 +01:00
memory-tiers.c
memory tier: use helper macro __ATTR_RW()
2023-08-18 10:12:38 -07:00
memory.c
hugetlbfs: close race between MADV_DONTNEED and page fault
2023-10-18 12:12:41 -07:00
mempolicy.c
numa: Generalize numa_map_to_online_node()
2023-11-20 11:58:51 +01:00
mempool.c
…
memremap.c
mm/memremap.c: fix outdated comment in devm_memremap_pages
2023-02-09 16:51:46 -08:00
memtest.c
mm: memtest: convert to memtest_report_meminfo()
2023-08-21 13:37:47 -07:00
migrate_device.c
Add x86 shadow stack support
2023-08-31 12:20:12 -07:00
migrate.c
mm: migrate high-order folios in swap cache correctly
2024-01-05 15:19:43 +01:00
mincore.c
mm: enable page walking API to lock vmas during the walk
2023-08-21 13:07:20 -07:00
mlock.c
merge mm-hotfixes-stable into mm-stable to pick up depended-upon changes
2023-08-21 14:26:20 -07:00
mm_init.c
mm/mm_init: use helper macro BITS_PER_LONG and BITS_PER_BYTE
2023-08-21 13:37:47 -07:00
mm_slot.h
…
mmap_lock.c
…
mmap.c
mmap: fix error paths with dup_anon_vma()
2023-10-06 14:11:38 -07:00
mmu_gather.c
mm: fix kernel-doc warning from tlb_flush_rmaps()
2023-08-24 16:20:30 -07:00
mmu_notifier.c
mmu_notifiers: rename invalidate_range notifier
2023-08-18 10:12:41 -07:00
mmzone.c
…
mprotect.c
Add x86 shadow stack support
2023-08-31 12:20:12 -07:00
mremap.c
vm: fix move_vma() memory accounting being off
2023-09-16 15:23:31 -07:00
msync.c
…
nommu.c
Add x86 shadow stack support
2023-08-31 12:20:12 -07:00
oom_kill.c
mm: remove redundant K() macro definition
2023-08-21 13:37:44 -07:00
page_alloc.c
mm/page_alloc: correct start page when guard page debug is enabled
2023-10-06 14:11:38 -07:00
page_counter.c
…
page_ext.c
mm/page_ext: move functions around for minor cleanups to page_ext
2023-08-18 10:12:31 -07:00
page_idle.c
mm: page_idle: convert page idle to use a folio
2023-01-18 17:12:52 -08:00
page_io.c
zswap: make zswap_load() take a folio
2023-08-21 13:37:27 -07:00
page_isolation.c
mm/hugetlb: get rid of page_hstate()
2023-08-18 10:12:39 -07:00
page_owner.c
mm/page_ext: use page_ext_data helper in page_owner
2023-08-21 13:37:27 -07:00
page_poison.c
mm/page_poison: remove unused page_ext.h from page_poison
2023-08-21 13:37:30 -07:00
page_reporting.c
mm, treewide: redefine MAX_ORDER sanely
2023-04-05 19:42:46 -07:00
page_reporting.h
…
page_table_check.c
mm: convert page_table_check_pte_set() to page_table_check_ptes_set()
2023-08-24 16:20:18 -07:00
page_vma_mapped.c
mm: correct stale comment of function check_pte
2023-08-18 10:12:13 -07:00
page-writeback.c
filemap: add a per-mapping stable writes flag
2023-12-03 07:33:03 +01:00
pagewalk.c
mm/pagewalk: fix bootstopping regression from extra pte_unmap()
2023-09-02 08:39:21 -07:00
percpu-internal.h
percpu-internal/pcpu_chunk: re-layout pcpu_chunk structure to reduce false sharing
2023-06-19 16:19:29 -07:00
percpu-km.c
…
percpu-stats.c
…
percpu-vm.c
…
percpu.c
mm/percpu.c: print error message too if atomic alloc failed
2023-08-25 08:04:59 -07:00
pgalloc-track.h
…
pgtable-generic.c
mm/pgtable: notes on pte_offset_map[_lock]()
2023-08-18 10:12:25 -07:00
process_vm_access.c
mm/gup: remove unused vmas parameter from pin_user_pages_remote()
2023-06-09 16:25:25 -07:00
ptdump.c
mm: ptdump should use ptep_get_lockless()
2023-06-19 16:19:24 -07:00
readahead.c
vfs: fix readahead(2) on block devices
2023-11-20 11:58:52 +01:00
rmap.c
mm: hugetlb: add huge page size param to set_huge_pte_at()
2023-09-29 17:20:47 -07:00
rodata_test.c
…
secretmem.c
mm/secretmem: use a folio in secretmem_fault()
2023-08-21 13:38:02 -07:00
shmem_quota.c
shmem: Add default quota limit mount options
2023-08-09 09:15:40 +02:00
shmem.c
mm/shmem: fix race in shmem_undo_range w/THP
2023-12-20 17:02:03 +01:00
show_mem.c
mm,thp: no space after colon in Mem-Info fields
2023-08-21 13:38:01 -07:00
shrinker_debug.c
Revert "mm: shrinkers: make count and scan in shrinker debugfs lockless"
2023-06-19 13:19:34 -07:00
shuffle.c
…
shuffle.h
mm, treewide: redefine MAX_ORDER sanely
2023-04-05 19:42:46 -07:00
slab_common.c
mm: slab: Do not create kmalloc caches smaller than arch_slab_minalign()
2023-10-11 15:24:49 +02:00
slab.c
Randomized slab caches for kmalloc()
2023-07-18 10:07:47 +02:00
slab.h
Randomized slab caches for kmalloc()
2023-07-18 10:07:47 +02:00
slub.c
mm/slub: remove freelist_dereference()
2023-07-14 09:57:21 +02:00
sparse-vmemmap.c
mm/vmemmap: allow architectures to override how vmemmap optimization works
2023-08-18 10:12:53 -07:00
sparse.c
mm/sparse: remove redundant judgments from macro for_each_present_section_nr
2023-08-18 10:12:14 -07:00
swap_cgroup.c
…
swap_slots.c
…
swap_state.c
mm/swap: inline folio_set_swap_entry() and folio_swap_entry()
2023-08-24 16:20:28 -07:00
swap.c
mm: remove references to pagevec
2023-06-23 16:59:30 -07:00
swap.h
swap: remove remnants of polling from read_swap_cache_async
2023-08-24 16:20:16 -07:00
swapfile.c
mm/swap: inline folio_set_swap_entry() and folio_swap_entry()
2023-08-24 16:20:28 -07:00
truncate.c
- Some swap cleanups from Ma Wupeng ("fix WARN_ON in add_to_avail_list")
2023-08-29 14:25:26 -07:00
usercopy.c
mm: Fix copy_from_user_nofault().
2023-04-12 17:36:23 -07:00
userfaultfd.c
Add x86 shadow stack support
2023-08-31 12:20:12 -07:00
util.c
parisc: fix mmap_base calculation when stack grows upwards
2023-11-28 17:20:08 +00:00
vmalloc.c
mm: hugetlb: add huge page size param to set_huge_pte_at()
2023-09-29 17:20:47 -07:00
vmpressure.c
net-memcg: Fix scope of sockmem pressure indicators
2023-08-16 12:21:32 +01:00
vmscan.c
mm/mglru: reclaim offlined memcgs harder
2023-12-20 17:02:03 +01:00
vmstat.c
mm/vmstat: remove unused page_ext.h from vmstat
2023-08-21 13:37:30 -07:00
workingset.c
mm/mglru: fix underprotected page cache
2023-12-20 17:02:02 +01:00
z3fold.c
mm/z3fold: remove obsolete comment for struct z3fold_pool
2023-08-21 13:37:51 -07:00
zbud.c
mm: zswap: remove shrink from zpool interface
2023-06-19 16:19:27 -07:00
zpool.c
mm: zswap: remove shrink from zpool interface
2023-06-19 16:19:27 -07:00
zsmalloc.c
merge mm-hotfixes-stable into mm-stable to pick up depended-upon changes
2023-08-21 14:26:20 -07:00
zswap.c
mm: zswap: fix pool refcount bug around shrink_worker()
2023-10-18 12:12:40 -07:00