Rei Yamamoto bbe832b9db mm, compaction: fast_find_migrateblock() should return pfn in the target zone ... At present, pages not in the target zone are added to cc->migratepages list in isolate_migratepages_block(). As a result, pages may migrate between nodes unintentionally. This would be a serious problem for older kernels without commit a984226f45 ("mm: memcontrol: remove the pgdata parameter of mem_cgroup_page_lruvec"), because it can corrupt the lru list by handling pages in list without holding proper lru_lock. Avoid returning a pfn outside the target zone in the case that it is not aligned with a pageblock boundary. Otherwise isolate_migratepages_block() will handle pages not in the target zone. Link: https://lkml.kernel.org/r/20220511044300.4069-1-yamamoto.rei@jp.fujitsu.com Fixes: 70b44595ea ("mm, compaction: use free lists to quickly locate a migration source") Signed-off-by: Rei Yamamoto <yamamoto.rei@jp.fujitsu.com> Reviewed-by: Miaohe Lin <linmiaohe@huawei.com> Acked-by: Mel Gorman <mgorman@techsingularity.net> Reviewed-by: Oscar Salvador <osalvador@suse.de> Cc: Don Dutile <ddutile@redhat.com> Cc: Wonhyuk Yang <vvghjk1234@gmail.com> Cc: Rei Yamamoto <yamamoto.rei@jp.fujitsu.com> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>		2022-05-13 16:48:57 -07:00
..
damon	mm/damon/reclaim: use resource_size function on resource object	2022-05-13 07:20:18 -07:00
kasan	kasan: give better names to shadow values	2022-05-13 07:20:19 -07:00
kfence	kfence: enable check kfence canary on panic via boot param	2022-05-13 07:20:06 -07:00
backing-dev.c	remove congestion tracking framework	2022-03-22 15:57:01 -07:00
balloon_compaction.c	mm/balloon_compaction: make balloon page compaction callbacks static	2022-03-28 16:52:57 -04:00
bootmem_info.c	bootmem: Use page->index instead of page->freelist	2022-01-06 12:27:03 +01:00
cma_debug.c
cma_sysfs.c
cma.c	mm/cma: provide option to opt out from exposing pages on activation failure	2022-03-22 15:57:09 -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: fast_find_migrateblock() should return pfn in the target zone	2022-05-13 16:48:57 -07:00
debug_page_ref.c
debug_vm_pgtable.c	mm/debug_vm_pgtable: add tests for __HAVE_ARCH_PTE_SWP_EXCLUSIVE	2022-05-09 18:20:45 -07:00
debug.c	mm: unexport page_init_poison	2022-03-24 19:06:45 -07:00
dmapool.c	mm/dmapool.c: revert "make dma pool to use kmalloc_node"	2022-01-15 16:30:28 +02:00
early_ioremap.c	mm/early_ioremap: declare early_memremap_pgprot_adjust()	2022-03-22 15:57:11 -07:00
fadvise.c	remove inode_congested()	2022-03-22 15:57:01 -07:00
failslab.c
filemap.c	mm: teach core mm about pte markers	2022-05-13 07:20:09 -07:00
folio-compat.c	mm/rmap: Convert rmap_walk() to take a folio	2022-03-21 13:01:35 -04:00
frontswap.c	frontswap: remove support for multiple ops	2022-01-22 08:33:38 +02:00
gup_test.c
gup_test.h
gup.c	mm/gup: fix comments to pin_user_pages_*()	2022-05-09 18:20:47 -07:00
highmem.c	highmem: fix checks in __kmap_local_sched_{in,out}	2022-04-08 14:20:36 -10:00
hmm.c	mm: teach core mm about pte markers	2022-05-13 07:20:09 -07:00
huge_memory.c	mm/huge_memory: convert do_huge_pmd_anonymous_page() to use vma_alloc_folio()	2022-05-13 07:20:14 -07:00
hugetlb_cgroup.c	hugetlb: add hugetlb.*.numa_stat file	2022-01-15 16:30:29 +02:00
hugetlb_vmemmap.c	mm: hugetlb_vmemmap: add hugetlb_optimize_vmemmap sysctl	2022-05-13 16:48:56 -07:00
hugetlb_vmemmap.h	mm: hugetlb_vmemmap: cleanup CONFIG_HUGETLB_PAGE_FREE_VMEMMAP*	2022-04-28 23:16:15 -07:00
hugetlb.c	mm/hugetlb: handle uffd-wp during fork()	2022-05-13 07:20:11 -07:00
hwpoison-inject.c	mm/hwpoison: disable hwpoison filter during removing	2022-05-13 07:20:19 -07:00
init-mm.c	kernel/fork: Initialize mm's PASID	2022-02-14 19:51:47 +01:00
internal.h	mm/memory-failure.c: move clear_hwpoisoned_pages	2022-05-13 07:20:19 -07:00
interval_tree.c
io-mapping.c
ioremap.c	mm: move ioremap_page_range to vmalloc.c	2021-09-08 11:50:24 -07:00
Kconfig	mm/uffd: move USERFAULTFD configs into mm/	2022-05-13 07:20:12 -07:00
Kconfig.debug	mm: page table check	2022-01-15 16:30:28 +02:00
khugepaged.c	mm/khugepaged: don't recycle vma pgtable if uffd-wp registered	2022-05-13 07:20:11 -07:00
kmemleak.c	mm: kmemleak: take a full lowmem check in kmemleak_*_phys()	2022-04-15 14:49:56 -07:00
ksm.c	mm: remember exclusively mapped anonymous pages with PG_anon_exclusive	2022-05-09 18:20:44 -07:00
list_lru.c	mm/list_lru.c: revert "mm/list_lru: optimize memcg_reparent_list_lru_node()"	2022-04-08 14:20:36 -10:00
maccess.c	asm-generic updates for 5.18	2022-03-23 18:03:08 -07:00
madvise.c	mm: submit multipage reads for SWP_FS_OPS swap-space	2022-05-09 18:20:49 -07:00
Makefile	mm: hugetlb_vmemmap: cleanup CONFIG_HUGETLB_PAGE_FREE_VMEMMAP*	2022-04-28 23:16:15 -07:00
mapping_dirty_helpers.c	mm: move tlb_flush_pending inline helpers to mm_inline.h	2022-01-15 16:30:27 +02:00
memblock.c	memblock: test suite and a small cleanup	2022-03-27 13:36:06 -07:00
memcontrol.c	mm/memcontrol: export memcg->watermark via sysfs for v2 memcg	2022-05-13 16:48:57 -07:00
memfd.c	memfd: fix F_SEAL_WRITE after shmem huge page allocated	2022-03-05 11:08:32 -08:00
memory_hotplug.c	mm: hugetlb_vmemmap: add hugetlb_optimize_vmemmap sysctl	2022-05-13 16:48:56 -07:00
memory-failure.c	mm/memory-failure.c: simplify num_poisoned_pages_inc/dec	2022-05-13 07:20:19 -07:00
memory.c	mm/shmem: remove duplicate include in memory.c	2022-05-13 07:20:14 -07:00
mempolicy.c	mm: remove alloc_pages_vma()	2022-05-13 07:20:15 -07:00
mempool.c	mm: remove spurious blkdev.h includes	2021-10-18 06:17:01 -06:00
memremap.c	mm/page-flags: reuse PG_mappedtodisk as PG_anon_exclusive for PageAnon() pages	2022-05-09 18:20:44 -07:00
memtest.c
migrate_device.c	mm: remember exclusively mapped anonymous pages with PG_anon_exclusive	2022-05-09 18:20:44 -07:00
migrate.c	mm/migrate: convert move_to_new_page() into move_to_new_folio()	2022-05-13 07:20:17 -07:00
mincore.c	mm: teach core mm about pte markers	2022-05-13 07:20:09 -07:00
mlock.c	mm/munlock: protect the per-CPU pagevec by a local_lock_t	2022-04-01 11:46:09 -07:00
mm_init.c
mmap_lock.c
mmap.c	mmap locking API: fix missed mmap_sem references in comments	2022-05-13 07:20:07 -07:00
mmu_gather.c	mm/mmu_gather: limit free batch count and add schedule point in tlb_batch_pages_flush	2022-04-28 23:16:12 -07:00
mmu_notifier.c	mm/mmu_notifier.c: fix race in mmu_interval_notifier_remove()	2022-04-21 20:01:10 -07:00
mmzone.c	Folio changes for 5.18	2022-03-22 17:03:12 -07:00
mprotect.c	mm/hugetlb: handle UFFDIO_WRITEPROTECT	2022-05-13 07:20:11 -07:00
mremap.c	mm: hugetlb: considering PMD sharing when flushing cache/TLBs	2022-05-13 07:20:07 -07:00
msync.c
nommu.c	no-MMU: expose vmalloc_huge() for alloc_large_system_hash()	2022-04-25 10:11:49 -07:00
oom_kill.c	oom_kill.c: futex: delay the OOM reaper to allow time for proper futex cleanup	2022-04-21 20:01:10 -07:00
page_alloc.c	mm/memory-failure.c: simplify num_poisoned_pages_dec	2022-05-13 07:20:19 -07:00
page_counter.c	mm/page_counter: remove an incorrect call to propagate_protected_usage()	2022-01-15 16:30:27 +02:00
page_ext.c	mm: use for_each_online_node and node_online instead of open coding	2022-04-29 14:36:58 -07:00
page_idle.c	mm/rmap: Constify the rmap_walk_control argument	2022-03-21 13:01:35 -04:00
page_io.c	MM: handle THP in swap_*page_fs() - count_vm_events()	2022-05-09 18:20:49 -07:00
page_isolation.c	mm: page_isolation: enable arbitrary range page isolation.	2022-05-13 07:20:13 -07:00
page_owner.c	mm/page_owner: use strscpy() instead of strlcpy()	2022-05-13 07:20:19 -07:00
page_poison.c
page_reporting.c
page_reporting.h
page_table_check.c	mm: page_table_check: move pxx_user_accessible_page into x86	2022-05-13 07:20:17 -07:00
page_vma_mapped.c	mm: pvmw: add support for walking devmap pages	2022-04-28 23:16:10 -07:00
page-writeback.c	mm: rework calculation of bdi_min_ratio in bdi_set_min_ratio	2022-04-28 23:15:57 -07:00
pagewalk.c
percpu-internal.h	percpu: improve percpu_alloc_percpu event trace	2022-05-13 07:20:18 -07:00
percpu-km.c
percpu-stats.c	mm: use vmalloc_array and vcalloc for array allocations	2022-03-08 09:30:46 -05:00
percpu-vm.c
percpu.c	percpu: improve percpu_alloc_percpu event trace	2022-05-13 07:20:18 -07:00
pgalloc-track.h
pgtable-generic.c	mm: avoid unnecessary flush on change_huge_pmd()	2022-05-13 07:20:05 -07:00
process_vm_access.c
ptdump.c	mm: sparsemem: use page table lock to protect kernel pmd operations	2022-03-22 15:57:08 -07:00
readahead.c	readahead: Update comments	2022-04-01 14:40:42 -04:00
rmap.c	mm: rmap: fix CONT-PTE/PMD size hugetlb issue when unmapping	2022-05-13 16:48:56 -07:00
rodata_test.c
secretmem.c	mm/secretmem: fix panic when growing a memfd_secret	2022-04-15 14:49:54 -07:00
shmem.c	mm/shmem: convert shmem_swapin_page() to shmem_swapin_folio()	2022-05-13 07:20:17 -07:00
shuffle.c
shuffle.h
slab_common.c	mm: make minimum slab alignment a runtime property	2022-05-13 07:20:07 -07:00
slab.c	mm: make minimum slab alignment a runtime property	2022-05-13 07:20:07 -07:00
slab.h	mm, kfence: support kmem_dump_obj() for KFENCE objects	2022-04-15 14:49:55 -07:00
slob.c	mm: make minimum slab alignment a runtime property	2022-05-13 07:20:07 -07:00
slub.c	mm, kfence: support kmem_dump_obj() for KFENCE objects	2022-04-15 14:49:55 -07:00
sparse-vmemmap.c	mm/sparse-vmemmap: improve memory savings for compound devmaps	2022-04-28 23:16:16 -07:00
sparse.c	mm/memory-failure.c: move clear_hwpoisoned_pages	2022-05-13 07:20:19 -07:00
swap_cgroup.c	mm: use vmalloc_array and vcalloc for array allocations	2022-03-08 09:30:46 -05:00
swap_slots.c	swap: turn get_swap_page() into folio_alloc_swap()	2022-05-13 07:20:15 -07:00
swap_state.c	swap: convert add_to_swap() to take a folio	2022-05-13 07:20:15 -07:00
swap.c	mm/munlock: protect the per-CPU pagevec by a local_lock_t	2022-04-01 11:46:09 -07:00
swap.h	swap: convert add_to_swap() to take a folio	2022-05-13 07:20:15 -07:00
swapfile.c	swap: turn get_swap_page() into folio_alloc_swap()	2022-05-13 07:20:15 -07:00
truncate.c	Filesystem folio changes for 5.18	2022-03-22 18:26:56 -07:00
usercopy.c	Merge branch 'akpm' (patches from Andrew)	2022-03-22 16:11:53 -07:00
userfaultfd.c	mm/uffd: enable write protection for shmem & hugetlbfs	2022-05-13 07:20:11 -07:00
util.c	mm: create new mm/swap.h header file	2022-05-09 18:20:47 -07:00
vmacache.c
vmalloc.c	mm/vmalloc: use raw_cpu_ptr() for vmap_block_queue access	2022-05-13 07:20:18 -07:00
vmpressure.c	mm/vmpressure: fix data-race with memcg->socket_pressure	2021-11-06 13:30:40 -07:00
vmscan.c	vmscan: remove remaining uses of page in shrink_page_list	2022-05-13 07:20:16 -07:00
vmstat.c	mm/vmstat: add events for ksm cow	2022-04-28 23:16:16 -07:00
workingset.c	memcg: sync flush only if periodic flush is delayed	2022-04-21 20:01:09 -07:00
z3fold.c	mm/z3fold: remove unneeded PAGE_HEADLESS check in free_handle()	2022-04-28 23:16:06 -07:00
zbud.c
zpool.c	zpool: remove the list of pools_head	2022-01-15 16:30:31 +02:00
zsmalloc.c	zsmalloc: replace get_cpu_var with local_lock	2022-01-22 08:33:37 +02:00
zswap.c	mm: create new mm/swap.h header file	2022-05-09 18:20:47 -07:00