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linux-stable/mm
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Huang Ying 7dcd620416 migrate_pages_batch: fix statistics for longterm pin retry 
commit 851ae6424697d1c4f085cb878c88168923ebcad1 upstream.

In commit fd4a7ac32918 ("mm: migrate: try again if THP split is failed due
to page refcnt"), if the THP splitting fails due to page reference count,
we will retry to improve migration successful rate.  But the failed
splitting is counted as migration failure and migration retry, which will
cause duplicated failure counting.  So, in this patch, this is fixed via
undoing the failure counting if we decide to retry.  The patch is tested
via failure injection.

Link: https://lkml.kernel.org/r/20230416235929.1040194-1-ying.huang@intel.com
Fixes: fd4a7ac32918 ("mm: migrate: try again if THP split is failed due to page refcnt")
Signed-off-by: "Huang, Ying" <ying.huang@intel.com>
Reviewed-by: Baolin Wang <baolin.wang@linux.alibaba.com>
Cc: Alistair Popple <apopple@nvidia.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Yang Shi <shy828301@gmail.com>
Cc: Zi Yan <ziy@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-11-08 16:26:48 +01:00
..
damon
mm/damon/vaddr: protect vma traversal in __damon_va_thre_regions() with rcu read lock
2024-10-17 15:21:27 +02:00
kasan
kasan: remove vmalloc_percpu test
2024-11-08 16:26:46 +01:00
kfence
mm,kfence: decouple kfence from page granularity mapping judgement
2023-12-03 07:32:08 +01:00
kmsan
kmsan: do not wipe out origin when doing partial unpoisoning
2024-06-16 13:41:38 +02:00
backing-dev.c
writeback, cgroup: fix null-ptr-deref write in bdi_split_work_to_wbs
2023-04-26 14:28:39 +02:00
balloon_compaction.c
mm: Convert all PageMovable users to movable_operations
2022-08-02 12:34:03 -04:00
bootmem_info.c
bootmem: remove the vmemmap pages from kmemleak in put_page_bootmem
2022-08-28 14:02:45 -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: support sysfs
2021-05-05 11:27:24 -07:00
cma.c
mm/cma: drop incorrect alignment check in cma_init_reserved_mem
2024-06-16 13:41:39 +02:00
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, vmscan: prevent infinite loop for costly GFP_NOIO | __GFP_RETRY_MAYFAIL allocations
2024-04-03 15:19:42 +02:00
debug_page_ref.c
…
debug_vm_pgtable.c
docs: rename Documentation/vm to Documentation/mm
2022-06-27 12:52:53 -07:00
debug.c
mm: remove the vma linked list
2022-09-26 19:46:26 -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
riscv: compat: syscall: Add compat_sys_call_table implementation
2022-04-26 13:36:25 -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: optimize filemap folio adding
2024-10-17 15:21:26 +02:00
folio-compat.c
mm: remove try_to_free_swap()
2022-10-03 14:02:53 -07:00
frontswap.c
frontswap: don't call ->init if no ops are registered
2022-09-26 12:14:34 -07:00
gup_test.c
mm: rename is_pinnable_page() to is_longterm_pinnable_page()
2022-07-17 17:14:27 -07:00
gup_test.h
selftests/vm: gup_test: fix test flag
2021-05-05 11:27:26 -07:00
gup.c
mm: always expand the stack with the mmap write lock held
2023-07-01 13:16:25 +02:00
highmem.c
highmem: fix kmap_to_page() for kmap_local_page() addresses
2022-10-12 18:51:51 -07:00
hmm.c
mm/swap: add swp_offset_pfn() to fetch PFN from swap entry
2022-09-26 19:46:05 -07:00
huge_memory.c
mm: migrate: try again if THP split is failed due to page refcnt
2024-11-08 16:26:47 +01:00
hugetlb_cgroup.c
mm/hugetlb_cgroup: convert hugetlb_cgroup_uncharge_page() to folios
2024-05-17 11:55:52 +02:00
hugetlb_vmemmap.c
mm: hugetlb_vmemmap: fix a race between vmemmap pmd split
2023-09-19 12:27:56 +02:00
hugetlb_vmemmap.h
mm: hugetlb_vmemmap: improve hugetlb_vmemmap code readability
2022-08-08 18:06:43 -07:00
hugetlb.c
mm/hugetlb: fix potential race in __update_and_free_hugetlb_folio()
2024-08-14 13:53:02 +02:00
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: remove rb tree.
2022-09-26 19:46:16 -07:00
internal.h
mm/page_alloc: explicitly define how __GFP_HIGH non-blocking allocations accesses reserves
2024-11-08 16:26:46 +01:00
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: Add ioremap/iounmap_allowed()
2022-06-27 12:22:31 +01:00
Kconfig
mm: z3fold: deprecate CONFIG_Z3FOLD
2024-10-17 15:22:05 +02:00
Kconfig.debug
mm: page_table_check: Make it dependent on EXCLUSIVE_SYSTEM_RAM
2023-06-14 11:15:29 +02:00
khugepaged.c
mm: khugepaged: fix kernel BUG in hpage_collapse_scan_file()
2024-08-29 17:30:17 +02:00
kmemleak.c
mm/kmemleak: prevent soft lockup in kmemleak_scan()'s object iteration loops
2022-10-28 13:37:22 -07:00
ksm.c
mm/ksm: fix race with VMA iteration and mm_struct teardown
2023-03-30 12:49:29 +02:00
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().
2023-06-28 11:12:17 +02:00
madvise.c
madvise:madvise_free_pte_range(): don't use mapcount() against large folio for sharing check
2023-08-30 16:11:11 +02:00
Makefile
mm: memcontrol: drop dead CONFIG_MEMCG_SWAP config symbol
2022-10-03 14:03:36 -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
x86/numa: Fix the address overlap check in numa_fill_memblks()
2024-03-01 13:26:36 +01:00
memcontrol.c
memcg: protect concurrent access to mem_cgroup_idr
2024-09-12 11:10:29 +02:00
memfd.c
memfd: check for non-NULL file_seals in memfd_create() syscall
2023-06-28 11:12:27 +02:00
memory_hotplug.c
x86/kaslr: Expose and use the end of the physical memory address space
2024-09-12 11:10:17 +02:00
memory-failure.c
mm/memory-failure: use raw_spinlock_t in struct memory_failure_cpu
2024-08-29 17:30:15 +02:00
memory-tiers.c
memory tier: release the new_memtier in find_create_memory_tier()
2023-03-10 09:34:27 +01:00
memory.c
mm: avoid leaving partial pfn mappings around in error case
2024-09-18 19:23:04 +02:00
mempolicy.c
mm/numa_balancing: teach mpol_to_str about the balancing mode
2024-08-03 08:49:40 +02:00
mempool.c
mm/mempool: use might_alloc()
2022-06-16 19:48:30 -07:00
memremap.c
mm/memremap.c: map FS_DAX device memory as decrypted
2022-11-08 15:57:23 -08:00
memtest.c
memtest: use {READ,WRITE}_ONCE in memory scanning
2024-04-03 15:19:36 +02:00
migrate_device.c
mm/migrate_device: return number of migrating pages in args->cpages
2022-11-22 18:50:43 -08:00
migrate.c
migrate_pages_batch: fix statistics for longterm pin retry
2024-11-08 16:26:48 +01:00
mincore.c
mm: teach mincore_hugetlb about pte markers
2023-03-22 13:34:03 +01:00
mlock.c
mm/mlock: drop dead code in count_mm_mlocked_page_nr()
2022-09-26 19:46:27 -07:00
mm_init.c
mm: multi-gen LRU: groundwork
2022-09-26 19:46:09 -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: replace get_memcg_path_buf() with on-stack buffer
2024-08-03 08:49:30 +02:00
mmap.c
mmap: fix error paths with dup_anon_vma()
2023-11-08 14:11:03 +01:00
mmu_gather.c
mm/khugepaged: fix GUP-fast interaction by sending IPI
2022-11-30 14:49:42 -08:00
mmu_notifier.c
mm/mmu_notifier.c: fix race in mmu_interval_notifier_remove()
2022-04-21 20:01:10 -07:00
mmzone.c
mm: multi-gen LRU: groundwork
2022-09-26 19:46:09 -07:00
mprotect.c
mm/uffd: fix warning without PTE_MARKER_UFFD_WP compiled in
2022-10-12 15:56:46 -07:00
mremap.c
mm, mremap: fix mremap() expanding for vma's with vm_ops->close()
2023-02-09 11:28:22 +01:00
msync.c
mm/msync: use vma_find() instead of vma linked list
2022-09-26 19:46:25 -07:00
nommu.c
xtensa: fix lock_mm_and_find_vma in case VMA not found
2023-07-05 18:27:37 +01:00
oom_kill.c
mm: reduce noise in show_mem for lowmem allocations
2022-09-26 19:46:29 -07:00
page_alloc.c
mm/page_alloc: let GFP_ATOMIC order-0 allocs access highatomic reserves
2024-11-08 16:26:46 +01:00
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_exit: fix kernel doc warning in page_ext_put()
2022-11-22 18:50:41 -08:00
page_idle.c
mm: don't be stuck to rmap lock on reclaim path
2022-05-19 14:08:54 -07:00
page_io.c
use less confusing names for iov_iter direction initializers
2023-02-09 11:28:04 +01:00
page_isolation.c
mm/page_isolation: fix clang deadcode warning
2022-10-28 13:37:22 -07:00
page_owner.c
mm: reuse pageblock_start/end_pfn() macro
2022-10-03 14:03:03 -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: allow driver to specify reporting order
2021-06-29 10:53:47 -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/page_table_check: fix crash on ZONE_DEVICE
2024-06-27 13:46:22 +02:00
page_vma_mapped.c
mm/swap: add swp_offset_pfn() to fetch PFN from swap entry
2022-09-26 19:46:05 -07:00
page-writeback.c
Revert "mm/writeback: fix possible divide-by-zero in wb_dirty_limits(), again"
2024-07-11 12:47:14 +02:00
pagewalk.c
- Yu Zhao's Multi-Gen LRU patches are here. They've been under test in
2022-10-10 17:53:04 -07:00
percpu-internal.h
percpu: improve percpu_alloc_percpu event trace
2022-05-13 07:20:18 -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
mm: percpu: use kmemleak_ignore_phys() instead of kmemleak_free()
2022-07-17 17:14:47 -07:00
pgalloc-track.h
mm: fix typos in comments
2021-05-07 00:26:35 -07:00
pgtable-generic.c
mm: fix race between __split_huge_pmd_locked() and GUP-fast
2024-06-16 13:41:38 +02:00
process_vm_access.c
use less confusing names for iov_iter direction initializers
2023-02-09 11:28:04 +01:00
ptdump.c
mm: pagewalk: Fix race between unmap and page walker
2022-09-03 10:13:13 -07:00
readahead.c
mm: use memalloc_nofs_save() in page_cache_ra_order()
2024-05-17 11:56:21 +02:00
rmap.c
mm/hwpoison: convert TTU_IGNORE_HWPOISON to TTU_HWPOISON
2023-03-10 09:34:25 +01:00
rodata_test.c
mm/rodata_test: use PAGE_ALIGNED() helper
2022-10-03 14:03:05 -07:00
secretmem.c
secretmem: disable memfd_secret() if arch cannot set direct map
2024-10-17 15:22:28 +02:00
shmem.c
mm: shmem: fix data-race in shmem_getattr()
2024-11-08 16:26:48 +01:00
shrinker_debug.c
mm: shrinkers: fix deadlock in shrinker debugfs
2023-02-22 12:59:46 +01:00
shuffle.c
mm/shuffle: convert module_param_call to module_param_cb
2022-10-03 14:03:07 -07:00
shuffle.h
mm/shuffle: fix section mismatch warning
2021-05-22 15:09:07 -10:00
slab_common.c
mm: krealloc: consider spare memory for __GFP_ZERO
2024-10-17 15:21:56 +02:00
slab.c
mm/slab: Fix undefined init_cache_node_node() for NUMA and !SMP
2023-03-30 12:49:23 +02:00
slab.h
- Yu Zhao's Multi-Gen LRU patches are here. They've been under test in
2022-10-10 17:53:04 -07:00
slob.c
Merge branch 'slab/for-6.1/kmalloc_size_roundup' into slab/for-next
2022-09-29 11:30:55 +02:00
slub.c
treewide: use prandom_u32_max() when possible, part 1
2022-10-11 17:42:55 -06:00
sparse-vmemmap.c
mm: hugetlb_vmemmap: move vmemmap code related to HugeTLB to hugetlb_vmemmap.c
2022-08-08 18:06:42 -07:00
sparse.c
x86/kaslr: Expose and use the end of the physical memory address space
2024-09-12 11:10:17 +02:00
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
swap_state: convert free_swap_cache() to use a folio
2022-10-03 14:02:51 -07:00
swap.c
mm: add folio_add_lru_vma()
2022-10-03 14:02:45 -07:00
swap.h
mm/swap: fix race when skipping swapcache
2024-03-01 13:26:32 +01:00
swapfile.c
mm/swapfile: skip HugeTLB pages for unuse_vma
2024-10-22 15:56:43 +02:00
truncate.c
mm: Fix missing folio invalidation calls during truncation
2024-09-04 13:25:00 +02:00
usercopy.c
mm: Fix copy_from_user_nofault().
2023-06-28 11:12:17 +02:00
userfaultfd.c
userfaultfd: fix mmap_changing checking in mfill_atomic_hugetlb
2024-02-23 09:12:51 +01:00
util.c
mm: only enforce minimum stack gap size if it's sensible
2024-10-17 15:21:27 +02:00
vmalloc.c
mm/vmalloc: fix page mapping if vm_area_alloc_pages() with high order fallback to order 0
2024-08-29 17:30:52 +02:00
vmpressure.c
net-memcg: Fix scope of sockmem pressure indicators
2023-09-13 09:42:33 +02:00
vmscan.c
mm/mglru: fix div-by-zero in vmpressure_calc_level()
2024-08-03 08:49:30 +02:00
vmstat.c
- Yu Zhao's Multi-Gen LRU patches are here. They've been under test in
2022-10-10 17:53:04 -07:00
workingset.c
mm/mglru: fix underprotected page cache
2023-12-20 17:00:26 +01:00
z3fold.c
mm: Convert all PageMovable users to movable_operations
2022-08-02 12:34:03 -04:00
zbud.c
mm/zbud: add kerneldoc fields for zbud_pool
2021-07-01 11:06:03 -07:00
zpool.c
zpool: remove the list of pools_head
2022-01-15 16:30:31 +02:00
zsmalloc.c
zsmalloc: allow only one active pool compaction context
2023-08-23 17:52:40 +02:00
zswap.c
mm: zswap: fix missing folio cleanup in writeback race path
2024-03-01 13:26:39 +01:00