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Matthew Wilcox (Oracle) c79c5a0a00 mm/memory-failure: check the mapcount of the precise page 
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>
2023-12-20 13:46:19 -08:00
..
damon
mm/damon/core: make damon_start() waits until kdamond_fn() starts
2023-12-12 17:20:17 -08:00
kasan
kunit: kasan_test: disable fortify string checker on kmalloc_oob_memset
2023-12-20 13:46:19 -08:00
kfence
LoongArch changes for v6.6
2023-09-08 12:16:52 -07:00
kmsan
mm: kmsan: panic on failure to allocate early boot metadata
2023-10-25 16:47:10 -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
bootmem: use kmemleak_free_part_phys in put_page_bootmem
2023-10-25 16:47:13 -07:00
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
2023-10-04 10:32:29 -07:00
cma.h
…
compaction.c
mm/compaction: factor out code to test if we should run compaction for target order
2023-10-04 10:32:19 -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
mm: fix multiple typos in multiple files
2023-10-25 16:47:14 -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
mm: fix unexpected changes to {failslab|fail_page_alloc}.attr
2022-11-22 18:50:44 -08:00
filemap.c
mm/filemap: avoid buffered read/write race to read inconsistent data
2023-12-20 13:46:19 -08:00
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
mm/gup_test: start/stop/read functionality for PIN LONGTERM test
2022-11-08 17:37:15 -08:00
gup.c
mm/gup: make failure to pin an error if FOLL_NOWAIT not specified
2023-10-18 14:34:15 -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
2023-11-15 15:30:09 -08:00
hugetlb_cgroup.c
mm, hugetlb: remove HUGETLB_CGROUP_MIN_ORDER
2023-10-18 14:34:17 -07:00
hugetlb_vmemmap.c
hugetlb_vmemmap: use folio argument for hugetlb_vmemmap_* functions
2023-10-25 16:47:08 -07:00
hugetlb_vmemmap.h
mm: hugetlb_vmemmap: fix reference to nonexistent file
2023-10-25 16:47:14 -07:00
hugetlb.c
hugetlb: fix null-ptr-deref in hugetlb_vma_lock_write
2023-12-06 16:12:43 -08:00
hwpoison-inject.c
mm/hwpoison: add __init/__exit annotations to module init/exit funcs
2022-10-03 14:03:05 -07:00
init-mm.c
mm: move dummy_vm_ops out of a header
2023-08-21 13:37:46 -07:00
internal.h
mm: add page_rmappable_folio() wrapper
2023-10-25 16:47:16 -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
mm/Kconfig: make userfaultfd a menuconfig
2023-12-06 16:12:47 -08:00
Kconfig.debug
mm: page_table_check: Make it dependent on EXCLUSIVE_SYSTEM_RAM
2023-05-29 16:14:28 +01:00
khugepaged.c
As usual, lots of singleton and doubleton patches all over the tree and
2023-11-02 20:53:31 -10:00
kmemleak.c
mm/kmemleak: move set_track_prepare() outside raw_spinlocks
2023-12-06 16:12:44 -08:00
ksm.c
mm: more ptep_get() conversion
2023-11-15 15:30:09 -08:00
list_lru.c
…
maccess.c
mm: Fix copy_from_user_nofault().
2023-04-12 17:36:23 -07:00
madvise.c
mm/madvise: add cond_resched() in madvise_cold_or_pageout_pte_range()
2023-12-06 16:12:50 -08:00
Makefile
mm: vmscan: move shrinker-related code into a separate file
2023-10-04 10:32:23 -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
memblock: report failures when memblock_can_resize is not set
2023-11-08 09:40:13 -08:00
memcontrol.c
mm: kmem: properly initialize local objcg variable in current_obj_cgroup()
2023-12-06 16:12:44 -08:00
memfd.c
memfd: drop warning for missing exec-related flags
2023-10-04 10:32:22 -07:00
memory_hotplug.c
mm/memory_hotplug: fix error handling in add_memory_resource()
2023-12-06 16:12:46 -08:00
memory-failure.c
mm/memory-failure: check the mapcount of the precise page
2023-12-20 13:46:19 -08:00
memory-tiers.c
dax, kmem: calculate abstract distance with general interface
2023-10-16 15:44:39 -07:00
memory.c
mm/memory.c:zap_pte_range() print bad swap entry
2023-12-06 16:12:43 -08:00
mempolicy.c
Many singleton patches against the MM code. The patch series which are
2023-11-02 19:38:47 -10:00
mempool.c
mempool: do not use ksize() for poisoning
2022-11-30 15:58:41 -08:00
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
2023-12-20 13:46:19 -08:00
mincore.c
mm: enable page walking API to lock vmas during the walk
2023-08-21 13:07:20 -07:00
mlock.c
mm: mlock: avoid folio_within_range() on KSM pages
2023-10-25 16:47:14 -07:00
mm_init.c
mm: hugetlb: skip initialization of gigantic tail struct pages if freed by HVO
2023-10-04 10:32:30 -07:00
mm_slot.h
mm: introduce common struct mm_slot
2022-10-03 14:02:43 -07:00
mmap_lock.c
…
mmap.c
Many singleton patches against the MM code. The patch series which are
2023-11-02 19:38:47 -10:00
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
mm: remove page_cpupid_xchg_last()
2023-10-25 16:47:13 -07:00
mprotect.c
mm: mprotect: use a folio in change_pte_range()
2023-10-25 16:47:12 -07:00
mremap.c
mm: abstract VMA merge and extend into vma_merge_extend() helper
2023-10-18 14:34:18 -07:00
msync.c
mm/msync: use vma_find() instead of vma linked list
2022-09-26 19:46:25 -07:00
nommu.c
Many singleton patches against the MM code. The patch series which are
2023-11-02 19:38:47 -10:00
oom_kill.c
mm/oom_killer: simplify OOM killer info dump helper
2023-10-25 16:47:10 -07:00
page_alloc.c
mm: add page_rmappable_folio() wrapper
2023-10-25 16:47:16 -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
mm: memcg: add THP swap out info for anonymous reclaim
2023-10-04 10:32:27 -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_owner: remove free_ts from page_owner output
2023-10-18 14:34:19 -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
2023-11-20 15:05:18 +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
Many singleton patches against the MM code. The patch series which are
2023-11-02 19:38:47 -10:00
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
2023-10-19 11:02:49 +02:00
rmap.c
mm/rmap: convert page_move_anon_rmap() to folio_move_anon_rmap()
2023-10-18 14:34:14 -07:00
rodata_test.c
mm/rodata_test: use PAGE_ALIGNED() helper
2022-10-03 14:03:05 -07:00
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
2023-12-12 17:20:19 -08:00
show_mem.c
mm: refactor si_mem_available()
2023-10-04 10:32:19 -07:00
shrinker_debug.c
mm: shrinker: convert shrinker_rwsem to mutex
2023-10-04 10:32:26 -07:00
shrinker.c
mm: shrinker: convert shrinker_rwsem to mutex
2023-10-04 10:32:26 -07:00
shuffle.c
mm/shuffle: convert module_param_call to module_param_cb
2022-10-03 14:03:07 -07:00
shuffle.h
mm, treewide: redefine MAX_ORDER sanely
2023-04-05 19:42:46 -07:00
slab_common.c
RCU pull request for v6.7
2023-10-30 18:01:41 -10:00
slab.c
Randomized slab caches for kmalloc()
2023-07-18 10:07:47 +02:00
slab.h
mm: kmem: scoped objcg protection
2023-10-25 16:47:11 -07:00
slub.c
mm/slub: refactor calculate_order() and calc_slab_order()
2023-10-02 11:55:47 +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
mm: memcontrol: don't allocate cgroup swap arrays when memcg is disabled
2022-10-03 14:03:36 -07:00
swap_slots.c
mm/swap: convert put_swap_page() to put_swap_folio()
2022-10-03 14:02:46 -07:00
swap_state.c
mempolicy: alloc_pages_mpol() for NUMA policy without vma
2023-10-25 16:47:16 -07:00
swap.c
mm: remove references to pagevec
2023-06-23 16:59:30 -07:00
swap.h
mempolicy: alloc_pages_mpol() for NUMA policy without vma
2023-10-25 16:47:16 -07:00
swapfile.c
mm/swap: Convert to use bdev_open_by_dev()
2023-10-28 13:29:19 +02:00
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
mm: more ptep_get() conversion
2023-11-15 15:30:09 -08:00
util.c
parisc: fix mmap_base calculation when stack grows upwards
2023-11-15 15:30:09 -08:00
vmalloc.c
mm/vmalloc: fix the unchecked dereference warning in vread_iter()
2023-11-01 12:38:35 -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
2023-12-12 17:20:20 -08:00
vmstat.c
mm: tune PCP high automatically
2023-10-25 16:47:10 -07:00
workingset.c
mm/mglru: fix underprotected page cache
2023-12-12 17:20:19 -08:00
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
zsmalloc: use copy_page for full page copy
2023-10-18 14:34:16 -07:00
zswap.c
zswap: export compression failure stats
2023-11-01 12:38:35 -07:00