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31657170de
linux/mm
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Jue Wang 31657170de mm/thp: fix page_address_in_vma() on file THP tails 
Anon THP tails were already supported, but memory-failure may need to
use page_address_in_vma() on file THP tails, which its page->mapping
check did not permit: fix it.

hughd adds: no current usage is known to hit the issue, but this does
fix a subtle trap in a general helper: best fixed in stable sooner than
later.

Link: https://lkml.kernel.org/r/a0d9b53-bf5d-8bab-ac5-759dc61819c1@google.com
Fixes: 800d8c63b2 ("shmem: add huge pages support")
Signed-off-by: Jue Wang <juew@google.com>
Signed-off-by: Hugh Dickins <hughd@google.com>
Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Yang Shi <shy828301@gmail.com>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Alistair Popple <apopple@nvidia.com>
Cc: Jan Kara <jack@suse.cz>
Cc: Miaohe Lin <linmiaohe@huawei.com>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Naoya Horiguchi <naoya.horiguchi@nec.com>
Cc: Oscar Salvador <osalvador@suse.de>
Cc: Peter Xu <peterx@redhat.com>
Cc: Ralph Campbell <rcampbell@nvidia.com>
Cc: Shakeel Butt <shakeelb@google.com>
Cc: Wang Yugui <wangyugui@e16-tech.com>
Cc: Zi Yan <ziy@nvidia.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-06-16 09:24:42 -07:00
..
kasan mm/kasan/init.c: fix doc warning 2021-06-05 08:58:11 -07:00
kfence kfence: use TASK_IDLE when awaiting allocation 2021-06-05 08:58:11 -07:00
backing-dev.c mm/backing-dev.c: use might_alloc() 2021-02-26 09:41:01 -08:00
balloon_compaction.c mm: fix typos in comments 2021-05-07 00:26:35 -07:00
cleancache.c
cma_debug.c mm/cma: change cma mutex to irq safe spinlock 2021-05-05 11:27:21 -07:00
cma_sysfs.c mm: cma: support sysfs 2021-05-05 11:27:24 -07:00
cma.c mm: use proper type for cma_[alloc|release] 2021-05-05 11:27:24 -07:00
cma.h mm: cma: support sysfs 2021-05-05 11:27:24 -07:00
compaction.c mm: fix typos in comments 2021-05-07 00:26:35 -07:00
debug_page_ref.c
debug_vm_pgtable.c mm/debug_vm_pgtable: fix alignment for pmd/pud_advanced_tests() 2021-06-05 08:58:11 -07:00
debug.c mm/debug: improve memcg debugging 2021-02-24 13:38:27 -08:00
dmapool.c mm/dmapool: switch from strlcpy to strscpy 2021-04-30 11:20:39 -07:00
early_ioremap.c mm/early_ioremap.c: use __func__ instead of function name 2021-02-26 09:41:02 -08:00
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: fix typos in comments 2021-05-07 00:26:35 -07:00
frontswap.c mm/mempool: minor coding style tweaks 2021-05-05 11:27:27 -07:00
gup_test.c selftests/vm: gup_test: test faulting in kernel, and verify pinnable pages 2021-05-05 11:27:26 -07:00
gup_test.h selftests/vm: gup_test: fix test flag 2021-05-05 11:27:26 -07:00
gup.c Revert "mm/gup: check page posion status for coredump." 2021-05-22 15:09:07 -10:00
highmem.c mm: fix typos in comments 2021-05-07 00:26:35 -07:00
hmm.c
huge_memory.c mm/thp: try_to_unmap() use TTU_SYNC for safe splitting 2021-06-16 09:24:42 -07:00
hugetlb_cgroup.c hugetlb: make free_huge_page irq safe 2021-05-05 11:27:22 -07:00
hugetlb.c mm/hugetlb: expand restore_reserve_on_error functionality 2021-06-16 09:24:42 -07:00
hwpoison-inject.c mm,hwpoison-inject: don't pin for hwpoison_filter 2020-10-16 11:11:16 -07:00
init-mm.c mm/gup: prevent gup_fast from racing with COW during fork 2020-12-15 12:13:39 -08:00
internal.h mm/thp: fix vma_address() if virtual address below file offset 2021-06-16 09:24:42 -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: fix iomap_max_page_shift 2021-05-14 19:41:32 -07:00
Kconfig mm,memory_hotplug: allocate memmap from the added memory range 2021-05-05 11:27:26 -07:00
Kconfig.debug mm, page_poison: remove CONFIG_PAGE_POISONING_ZERO 2020-12-15 12:13:46 -08:00
khugepaged.c mm: fix typos in comments 2021-05-07 00:26:35 -07:00
kmemleak.c mm/kmemleak.c: fix a typo 2021-04-30 11:20:36 -07:00
ksm.c ksm: revert "use GET_KSM_PAGE_NOLOCK to get ksm page in remove_rmap_item_from_tree()" 2021-05-14 19:41:32 -07:00
list_lru.c mm: vmscan: consolidate shrinker_maps handling code 2021-05-05 11:27:23 -07:00
maccess.c
madvise.c mm: fix typos in comments 2021-05-07 00:26:35 -07:00
Makefile mm,memory_hotplug: add kernel boot option to enable memmap_on_memory 2021-05-05 11:27:27 -07:00
mapping_dirty_helpers.c mm/mapping_dirty_helpers: guard hugepage pud's usage 2021-04-16 16:10:37 -07:00
memblock.c memblock: remove return value of memblock_free_all() 2021-02-22 13:01:23 -08:00
memcontrol.c mm: fix typos in comments 2021-05-07 00:26:35 -07:00
memfd.c
memory_hotplug.c mm/mempool: minor coding style tweaks 2021-05-05 11:27:27 -07:00
memory-failure.c mm/memory-failure: make sure wait for page writeback in memory_failure 2021-06-16 09:24:42 -07:00
memory.c Revert "MIPS: make userspace mapping young by default" 2021-06-05 08:58:11 -07:00
mempolicy.c mm: fix typos in comments 2021-05-07 00:26:35 -07:00
mempool.c mm/mempool: minor coding style tweaks 2021-05-05 11:27:27 -07:00
memremap.c mm/memremap.c: fix improper SPDX comment style 2021-04-30 11:20:37 -07:00
memtest.c
migrate.c mm, thp: use head page in __migration_entry_wait() 2021-06-16 09:24:42 -07:00
mincore.c inode: make init and permission helpers idmapped mount aware 2021-01-24 14:27:16 +01:00
mlock.c mm/mempool: minor coding style tweaks 2021-05-05 11:27:27 -07:00
mm_init.c include/linux/page-flags-layout.h: cleanups 2021-04-30 11:20:42 -07:00
mmap_lock.c mm: mmap_lock: add tracepoints around lock acquisition 2020-12-15 12:13:41 -08:00
mmap.c mm: fix typos in comments 2021-05-07 00:26:35 -07:00
mmu_gather.c mm: eliminate "expecting prototype" kernel-doc warnings 2021-04-16 16:10:36 -07:00
mmu_notifier.c mm/mmu_notifiers: ensure range_end() is paired with range_start() 2021-03-25 09:22:55 -07:00
mmzone.c mm/lru: replace pgdat lru_lock with lruvec lock 2020-12-15 14:48:04 -08:00
mprotect.c mm: fix typos in comments 2021-05-07 00:26:35 -07:00
mremap.c mm: fix typos in comments 2021-05-07 00:26:35 -07:00
msync.c mm/msync: exit early when the flags is an MS_ASYNC and start < vm_start 2021-04-30 11:20:37 -07:00
nommu.c mm/vmalloc: remove vwrite() 2021-05-07 00:26:34 -07:00
oom_kill.c mm: fix typos in comments 2021-05-07 00:26:35 -07:00
page_alloc.c mm/page_alloc: fix counting of free pages after take off from buddy 2021-06-05 08:58:11 -07:00
page_counter.c mm: page_counter: mitigate consequences of a page_counter underflow 2021-04-30 11:20:38 -07:00
page_ext.c mm: fix some spelling mistakes in comments 2020-12-15 22:46:19 -08:00
page_idle.c mm: page_idle_get_page() does not need lru_lock 2020-12-15 14:48:03 -08:00
page_io.c swap: fix swapfile read/write offset 2021-03-02 17:25:46 -07:00
page_isolation.c mm/page_isolation: do not isolate the max order page 2020-12-15 12:13:45 -08:00
page_owner.c mm: fix typos in comments 2021-05-07 00:26:35 -07:00
page_poison.c mm: page_poison: print page info when corruption is caught 2021-04-30 11:20:36 -07:00
page_reporting.c mm/page_reporting: use list_entry_is_head() in page_reporting_cycle() 2021-02-24 13:38:30 -08:00
page_reporting.h
page_vma_mapped.c mm/thp: fix vma_address() if virtual address below file offset 2021-06-16 09:24:42 -07:00
page-writeback.c mm: fix typos in comments 2021-05-07 00:26:35 -07:00
pagewalk.c
percpu-internal.h mm: fix typos in comments 2021-05-07 00:26:35 -07:00
percpu-km.c
percpu-stats.c percpu: make pcpu_nr_empty_pop_pages per chunk type 2021-04-09 13:58:38 +00:00
percpu-vm.c mm/vmalloc: remove unmap_kernel_range 2021-04-30 11:20:40 -07:00
percpu.c mm: fix typos in comments 2021-05-07 00:26:35 -07:00
pgalloc-track.h mm: fix typos in comments 2021-05-07 00:26:35 -07:00
pgtable-generic.c mm/thp: fix __split_huge_pmd_locked() on shmem migration entry 2021-06-16 09:24:42 -07:00
process_vm_access.c mm/process_vm_access.c: remove duplicate include 2021-05-05 11:27:27 -07:00
ptdump.c mm: ptdump: fix build failure 2021-04-16 16:10:37 -07:00
readahead.c mm: Implement readahead_control pageset expansion 2021-04-23 10:14:29 +01:00
rmap.c mm/thp: fix page_address_in_vma() on file THP tails 2021-06-16 09:24:42 -07:00
rodata_test.c
shmem.c userfaultfd: release page in error path to avoid BUG_ON 2021-05-14 19:41:32 -07:00
shuffle.c mm: eliminate "expecting prototype" kernel-doc warnings 2021-04-16 16:10:36 -07:00
shuffle.h mm/shuffle: fix section mismatch warning 2021-05-22 15:09:07 -10:00
slab_common.c mm/slub: fix redzoning for small allocations 2021-06-16 09:24:42 -07:00
slab.c mm: fix typos in comments 2021-05-07 00:26:35 -07:00
slab.h kasan, mm: integrate slab init_on_alloc with HW_TAGS 2021-04-30 11:20:41 -07:00
slob.c mm: Don't build mm_dump_obj() on CONFIG_PRINTK=n kernels 2021-03-08 14:18:46 -08:00
slub.c mm/slub.c: include swab.h 2021-06-16 09:24:42 -07:00
sparse-vmemmap.c
sparse.c mm/mempool: minor coding style tweaks 2021-05-05 11:27:27 -07:00
swap_cgroup.c
swap_slots.c mm: fix typos in comments 2021-05-07 00:26:35 -07:00
swap_state.c mm: fix some typos and code style problems 2021-05-07 00:26:33 -07:00
swap.c mm: fix some typos and code style problems 2021-05-07 00:26:33 -07:00
swapfile.c mm/swap: fix pte_same_as_swp() not removing uffd-wp bit when compare 2021-06-16 09:24:42 -07:00
truncate.c mm: stop accounting shadow entries 2021-05-05 11:27:19 -07:00
usercopy.c
userfaultfd.c userfaultfd: hugetlbfs: fix new flag usage in error path 2021-05-22 15:09:07 -10:00
util.c mm/util.c: fix typo 2021-05-05 11:27:25 -07:00
vmacache.c
vmalloc.c mm: fix typos in comments 2021-05-07 00:26:35 -07:00
vmpressure.c
vmscan.c mm/mempool: minor coding style tweaks 2021-05-05 11:27:27 -07:00
vmstat.c mm: fix typos in comments 2021-05-07 00:26:35 -07:00
workingset.c mm: stop accounting shadow entries 2021-05-05 11:27:19 -07:00
z3fold.c mm: fix some typos and code style problems 2021-05-07 00:26:33 -07:00
zbud.c mm: set the sleep_mapped to true for zbud and z3fold 2021-02-26 09:41:01 -08:00
zpool.c mm: fix typos in comments 2021-05-07 00:26:35 -07:00
zsmalloc.c mm: fix typos in comments 2021-05-07 00:26:35 -07:00
zswap.c mm/zswap.c: switch from strlcpy to strscpy 2021-05-05 11:27:27 -07:00