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Pasha Tatashin e59a47b8a4 mm/khugepaged: unify collapse pmd clear, flush and free 
Unify the code that flushes, clears pmd entry, and frees the PTE table
level into a new function collapse_and_free_pmd().

This cleanup is useful as in the next patch we will add another call to
this function to iterate through PTE prior to freeing the level for page
table check.

Link: https://lkml.kernel.org/r/20220131203249.2832273-4-pasha.tatashin@soleen.com
Signed-off-by: Pasha Tatashin <pasha.tatashin@soleen.com>
Acked-by: David Rientjes <rientjes@google.com>
Cc: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Cc: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Greg Thelen <gthelen@google.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Slaby <jirislaby@kernel.org>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Muchun Song <songmuchun@bytedance.com>
Cc: Paul Turner <pjt@google.com>
Cc: Wei Xu <weixugc@google.com>
Cc: Will Deacon <will@kernel.org>
Cc: Zi Yan <ziy@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2022-02-04 09:25:04 -08:00
..
damon
mm/damon: hide kernel pointer from tracepoint event
2022-01-15 16:30:33 +02:00
kasan
lib/stackdepot: always do filter_irq_stacks() in stack_depot_save()
2022-01-22 08:33:38 +02:00
kfence
slab changes for 5.17
2022-01-10 11:58:12 -08:00
backing-dev.c
mm: bdi: initialize bdi_min_ratio when bdi is unregistered
2021-12-10 17:10:56 -08:00
balloon_compaction.c
mm: fix typos in comments
2021-05-07 00:26:35 -07:00
bootmem_info.c
bootmem: Use page->index instead of page->freelist
2022-01-06 12:27:03 +01:00
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
memblock: rename memblock_free to memblock_phys_free
2021-11-06 13:30:41 -07:00
cma.h
mm: cma: support sysfs
2021-05-05 11:27:24 -07:00
compaction.c
mm: compaction: fix the migration stats in trace_mm_compaction_migratepages()
2022-01-15 16:30:30 +02:00
debug_page_ref.c
…
debug_vm_pgtable.c
mm/debug_vm_pgtable: remove pte entry from the page table
2022-02-04 09:25:04 -08:00
debug.c
mm,fs: split dump_mapping() out from dump_page()
2022-01-15 16:30:26 +02:00
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.c: remove redundant early_ioremap_shutdown()
2021-09-08 11:50:24 -07:00
fadvise.c
…
failslab.c
…
filemap.c
Merge branch 'akpm' (patches from Andrew)
2022-01-22 11:28:23 +02:00
folio-compat.c
filemap: Add filemap_release_folio()
2022-01-04 13:15:34 -05:00
frontswap.c
frontswap: remove support for multiple ops
2022-01-22 08:33:38 +02:00
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: small refactoring: simplify try_grab_page()"
2022-02-03 06:51:42 -08:00
highmem.c
Fixes for 5.16 folios:
2021-11-25 10:13:56 -08:00
hmm.c
mm/hmm.c: allow VM_MIXEDMAP to work with hmm_range_fault
2022-01-15 16:30:31 +02:00
huge_memory.c
Merge branch 'akpm' (patches from Andrew)
2022-01-15 20:37:06 +02:00
hugetlb_cgroup.c
hugetlb: add hugetlb.*.numa_stat file
2022-01-15 16:30:29 +02:00
hugetlb_vmemmap.c
mm: hugetlb: introduce CONFIG_HUGETLB_PAGE_FREE_VMEMMAP_DEFAULT_ON
2021-06-30 20:47:26 -07:00
hugetlb_vmemmap.h
mm: hugetlb: introduce nr_free_vmemmap_pages in the struct hstate
2021-06-30 20:47:25 -07:00
hugetlb.c
mm: change page type prior to adding page table entry
2022-01-15 16:30:28 +02:00
hwpoison-inject.c
mm: hwpoison: don't drop slab caches for offlining non-LRU page
2021-09-03 09:58:15 -07:00
init-mm.c
mm: add setup_initial_init_mm() helper
2021-07-08 11:48:21 -07:00
internal.h
Merge branch 'akpm' (patches from Andrew)
2022-01-15 20:37:06 +02:00
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: move ioremap_page_range to vmalloc.c
2021-09-08 11:50:24 -07:00
Kconfig
mm: hide the FRONTSWAP Kconfig symbol
2022-01-22 08:33:38 +02:00
Kconfig.debug
mm: page table check
2022-01-15 16:30:28 +02:00
khugepaged.c
mm/khugepaged: unify collapse pmd clear, flush and free
2022-02-04 09:25:04 -08:00
kmemleak.c
kmemleak: fix kmemleak false positive report with HW tag-based kasan enable
2022-01-15 16:30:25 +02:00
ksm.c
mm: ksm: fix use-after-free kasan report in ksm_might_need_to_copy
2022-01-15 16:30:31 +02:00
list_lru.c
mm: list_lru: only add memcg-aware lrus to the global lru list
2021-11-06 13:30:35 -07:00
maccess.c
ARM: 9115/1: mm/maccess: fix unaligned copy_{from,to}_kernel_nofault
2021-08-20 11:39:25 +01:00
madvise.c
mm: move anon_vma declarations to linux/mm_inline.h
2022-01-15 16:30:27 +02:00
Makefile
mm: remove cleancache
2022-01-22 08:33:38 +02:00
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
arm64 fixes for -rc1
2021-11-10 11:29:30 -08:00
memcontrol.c
Merge branch 'akpm' (patches from Andrew)
2022-01-15 20:37:06 +02:00
memfd.c
mm,hugetlb: remove mlock ulimit for SHM_HUGETLB
2021-11-09 10:02:48 -08:00
memory_hotplug.c
treewide: Add missing includes masked by cgroup -> bpf dependency
2021-12-03 10:58:13 -08:00
memory-failure.c
memory-failure: fetch compound_head after pgmap_pfn_valid()
2022-01-30 09:56:58 +02:00
memory.c
Merge branch 'akpm' (patches from Andrew)
2022-01-20 10:41:01 +02:00
mempolicy.c
mm/mempolicy: fix all kernel-doc warnings
2022-01-15 16:30:30 +02:00
mempool.c
mm: remove spurious blkdev.h includes
2021-10-18 06:17:01 -06:00
memremap.c
Merge branch 'akpm' (patches from Andrew)
2022-01-15 20:37:06 +02:00
memtest.c
…
migrate.c
mm/migrate.c: rework migration_entry_wait() to not take a pageref
2022-01-22 08:33:34 +02:00
mincore.c
…
mlock.c
mm: add a field to store names for private anonymous memory
2022-01-15 16:30:27 +02:00
mm_init.c
include/linux/page-flags-layout.h: cleanups
2021-04-30 11:20:42 -07:00
mmap_lock.c
mm: mmap_lock: fix disabling preemption directly
2021-07-23 17:43:28 -07:00
mmap.c
Merge branch 'signal-for-v5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
2022-01-17 05:49:30 +02:00
mmu_gather.c
mm: move tlb_flush_pending inline helpers to mm_inline.h
2022-01-15 16:30:27 +02:00
mmu_notifier.c
…
mmzone.c
…
mprotect.c
mm: add a field to store names for private anonymous memory
2022-01-15 16:30:27 +02:00
mremap.c
mm, hugepages: add mremap() support for hugepage backed vma
2021-11-06 13:30:39 -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
Merge branch 'akpm' (patches from Andrew)
2021-11-06 14:08:17 -07:00
oom_kill.c
Merge branch 'signal-for-v5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
2022-01-17 05:49:30 +02:00
page_alloc.c
Merge branch 'akpm' (patches from Andrew)
2022-01-20 10:41:01 +02:00
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: make some vars and functions static or __init
2022-01-15 16:30:31 +02:00
page_idle.c
mm/idle_page_tracking: make PG_idle reusable
2021-09-08 11:50:24 -07:00
page_io.c
delayacct: support swapin delay accounting for swapping without blkio
2022-01-20 08:52:55 +02:00
page_isolation.c
Revert "mm/page_isolation: unset migratetype directly for non Buddy page"
2022-02-04 09:25:04 -08:00
page_owner.c
lib/stackdepot: allow optional init and stack_table allocation by kvmalloc()
2022-01-22 08:33:37 +02:00
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: use unsigned long for page counters and cleanup
2022-02-04 09:25:04 -08:00
page_vma_mapped.c
mm: device exclusive memory access
2021-07-01 11:06:03 -07:00
page-writeback.c
mm/writeback: Improve __folio_mark_dirty() comment
2022-01-02 20:28:57 -05:00
pagewalk.c
mm: pagewalk: fix walk for hugepage tables
2021-06-29 10:53:49 -07:00
percpu-internal.h
mm: memcg/percpu: account extra objcg space to memory cgroups
2022-01-15 16:30:31 +02:00
percpu-km.c
percpu: flush tlb in pcpu_reclaim_populated()
2021-07-04 18:30:17 +00:00
percpu-stats.c
percpu: rework memcg accounting
2021-06-05 20:43:15 +00:00
percpu-vm.c
percpu: flush tlb in pcpu_reclaim_populated()
2021-07-04 18:30:17 +00:00
percpu.c
bitmap patches for 5.17-rc1
2022-01-23 06:20:44 +02:00
pgalloc-track.h
mm: fix typos in comments
2021-05-07 00:26:35 -07:00
pgtable-generic.c
mm: move tlb_flush_pending inline helpers to mm_inline.h
2022-01-15 16:30:27 +02:00
process_vm_access.c
mm/process_vm_access.c: remove duplicate include
2021-05-05 11:27:27 -07:00
ptdump.c
…
readahead.c
readahead: Convert page_cache_ra_unbounded to folios
2022-01-04 13:15:34 -05:00
rmap.c
mm/rmap: fix potential batched TLB flush race
2022-01-15 16:30:31 +02:00
rodata_test.c
…
secretmem.c
mm/secretmem: avoid letting secretmem_users drop to zero
2021-10-28 17:18:55 -07:00
shmem.c
mm: simplify try_to_unuse
2022-01-22 08:33:38 +02:00
shuffle.c
…
shuffle.h
mm/shuffle: fix section mismatch warning
2021-05-22 15:09:07 -10:00
slab_common.c
Merge branch 'akpm' (patches from Andrew)
2022-01-15 20:37:06 +02:00
slab.c
mm/kasan: Convert to struct folio and struct slab
2022-01-06 12:26:14 +01:00
slab.h
slab changes for 5.17 - part 2
2022-01-18 06:40:47 +02:00
slob.c
mm/slob: Remove unnecessary page_mapcount_reset() function call
2022-01-06 12:27:28 +01:00
slub.c
mm/slub: Define struct slab fields for CONFIG_SLUB_CPU_PARTIAL only when enabled
2022-01-06 12:26:53 +01:00
sparse-vmemmap.c
mm: remove redundant smp_wmb()
2021-11-06 13:30:36 -07:00
sparse.c
bootmem: Use page->index instead of page->freelist
2022-01-06 12:27:03 +01:00
swap_cgroup.c
…
swap_slots.c
treewide: Add missing includes masked by cgroup -> bpf dependency
2021-12-03 10:58:13 -08:00
swap_state.c
mm/workingset: Convert workingset_refault() to take a folio
2021-10-18 07:49:40 -04:00
swap.c
Merge branch 'akpm' (patches from Andrew)
2022-01-15 20:37:06 +02:00
swapfile.c
mm: mark swap_lock and swap_active_head static
2022-01-22 08:33:38 +02:00
truncate.c
mm: remove cleancache
2022-01-22 08:33:38 +02:00
usercopy.c
mm: Convert check_heap_object() to use struct slab
2022-01-06 12:25:51 +01:00
userfaultfd.c
mm: shmem: don't truncate page if memory failure happens
2022-01-15 16:30:26 +02:00
util.c
mm: allow !GFP_KERNEL allocations for kvmalloc
2022-01-15 16:30:29 +02:00
vmacache.c
…
vmalloc.c
mm/vmalloc: be more explicit about supported gfp flags.
2022-01-15 16:30:28 +02:00
vmpressure.c
mm/vmpressure: fix data-race with memcg->socket_pressure
2021-11-06 13:30:40 -07:00
vmscan.c
vmscan: make drop_slab_node static
2022-01-15 16:30:30 +02:00
vmstat.c
mm/vmstat: add events for THP max_ptes_* exceeds
2022-01-15 16:30:29 +02:00
workingset.c
Merge branch 'akpm' (patches from Andrew)
2021-11-09 10:11:53 -08:00
z3fold.c
mm/z3fold: add kerneldoc fields for z3fold_pool
2021-07-01 11:06:03 -07:00
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: replace get_cpu_var with local_lock
2022-01-22 08:33:37 +02:00
zswap.c
frontswap: remove support for multiple ops
2022-01-22 08:33:38 +02:00