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55ac8bbe358bdd2f3c044c12f249fd22d48fe015
linux/mm
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David Stevens 55ac8bbe35 mm/shmem: fix race in shmem_undo_range w/THP 
Split folios during the second loop of shmem_undo_range.  It's not
sufficient to only split folios when dealing with partial pages, since
it's possible for a THP to be faulted in after that point.  Calling
truncate_inode_folio in that situation can result in throwing away data
outside of the range being targeted.

[akpm@linux-foundation.org: tidy up comment layout]
Link: https://lkml.kernel.org/r/20230418084031.3439795-1-stevensd@google.com
Fixes: b9a8a4195c ("truncate,shmem: Handle truncates that split large folios")
Signed-off-by: David Stevens <stevensd@chromium.org>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Suleiman Souhlal <suleiman@google.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2023-12-12 17:20:19 -08:00
..
damon
mm/damon/core: make damon_start() waits until kdamond_fn() starts
2023-12-12 17:20:17 -08:00
kasan
Merge tag 'mm-stable-2023-11-01-14-33' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2023-11-02 19:38:47 -10:00
kfence
Merge tag 'loongarch-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
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
mm: Convert all PageMovable users to movable_operations
2022-08-02 12:34:03 -04:00
bootmem_info.c
bootmem: use kmemleak_free_part_phys in put_page_bootmem
2023-10-25 16:47:13 -07:00
cma_debug.c
mm/cma_debug: show complete cma name in debugfs directories
2022-09-11 20:25:50 -07:00
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
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: 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: fix oops when filemap_map_pmd() without prealloc_pte
2023-12-06 16:12:45 -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
mm/interval_tree: add comments to improve code readability
2021-04-30 11:20:38 -07:00
io-mapping.c
mm: add a io_mapping_map_user helper
2021-04-30 11:20:39 -07:00
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
Merge tag 'mm-nonmm-stable-2023-11-02-14-08' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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
mm: kmem: make mem_cgroup_from_obj() vmalloc()-safe
2022-06-16 19:48:31 -07:00
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
Merge tag 'memblock-v6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock
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: convert DAX lock/unlock page to lock/unlock folio
2023-10-04 10:32:20 -07:00
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
Merge tag 'mm-stable-2023-11-01-14-33' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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
Merge tag 'x86_shstk_for_6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2023-08-31 12:20:12 -07:00
migrate.c
mm: migrate: record the mlocked page status to remove unnecessary lru drain
2023-10-25 16:47:14 -07:00
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
mm: mmap_lock: fix disabling preemption directly
2021-07-23 17:43:28 -07:00
mmap.c
Merge tag 'mm-stable-2023-11-01-14-33' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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
Merge tag 'mm-stable-2023-11-01-14-33' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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
mm: page_counter: remove unneeded atomic ops for low/min
2022-09-11 20:26:01 -07:00
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
mm/page_reporting: export reporting order as module parameter
2021-06-29 10:53:47 -07:00
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: flush tlb in pcpu_reclaim_populated()
2021-07-04 18:30:17 +00:00
percpu-stats.c
mm: use vmalloc_array and vcalloc for array allocations
2022-03-08 09:30:46 -05:00
percpu-vm.c
percpu: flush tlb in pcpu_reclaim_populated()
2021-07-04 18:30:17 +00:00
percpu.c
Merge tag 'mm-stable-2023-11-01-14-33' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2023-11-02 19:38:47 -10:00
pgalloc-track.h
mm: fix typos in comments
2021-05-07 00:26:35 -07:00
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
Merge tag 'rcu-next-v6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks
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
Merge tag 'mm-stable-2023-08-28-18-26' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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: multi-gen LRU: reuse some legacy trace events
2023-10-18 14:34:14 -07:00
vmstat.c
mm: tune PCP high automatically
2023-10-25 16:47:10 -07:00
workingset.c
mm: workingset: dynamically allocate the mm-shadow shrinker
2023-10-04 10:32:24 -07:00
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