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Vijay Balakrishna 4aab2be098 mm: khugepaged: recalculate min_free_kbytes after memory hotplug as expected by khugepaged 
When memory is hotplug added or removed the min_free_kbytes should be
recalculated based on what is expected by khugepaged.  Currently after
hotplug, min_free_kbytes will be set to a lower default and higher
default set when THP enabled is lost.

This change restores min_free_kbytes as expected for THP consumers.

[vijayb@linux.microsoft.com: v5]
  Link: https://lkml.kernel.org/r/1601398153-5517-1-git-send-email-vijayb@linux.microsoft.com

Fixes: f000565adb ("thp: set recommended min free kbytes")
Signed-off-by: Vijay Balakrishna <vijayb@linux.microsoft.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Pavel Tatashin <pasha.tatashin@soleen.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: Allen Pais <apais@microsoft.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Song Liu <songliubraving@fb.com>
Cc: <stable@vger.kernel.org>
Link: https://lkml.kernel.org/r/1600305709-2319-2-git-send-email-vijayb@linux.microsoft.com
Link: https://lkml.kernel.org/r/1600204258-13683-1-git-send-email-vijayb@linux.microsoft.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-10-11 10:31:11 -07:00
..
kasan
Merge tag 'kbuild-v5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
2020-08-09 14:10:26 -07:00
backing-dev.c
writeback: remove struct bdi_writeback_congested
2020-07-08 17:05:53 -06:00
balloon_compaction.c
…
cleancache.c
…
cma_debug.c
debugfs: make sure we can remove u32_array files cleanly
2020-07-10 13:54:00 -07:00
cma.c
cma: don't quit at first error when activating reserved areas
2020-08-12 10:57:57 -07:00
cma.h
mm: cma: fix the name of CMA areas
2020-08-12 10:57:57 -07:00
compaction.c
mm: replace hpage_nr_pages with thp_nr_pages
2020-08-14 19:56:56 -07:00
debug_page_ref.c
…
debug_vm_pgtable.c
Documentation/mm: add descriptions for arch page table helpers
2020-08-07 11:33:23 -07:00
debug.c
mm, dump_page: do not crash with bad compound_mapcount()
2020-08-07 11:33:23 -07:00
dmapool.c
…
early_ioremap.c
…
fadvise.c
…
failslab.c
…
filemap.c
Merge tag 'io_uring-5.9-2020-10-02' of git://git.kernel.dk/linux-block
2020-10-02 14:38:10 -07:00
frame_vector.c
…
frontswap.c
mm/frontswap: mark various intentional data races
2020-08-14 19:56:56 -07:00
gup_benchmark.c
…
gup.c
mm: do not rely on mm == current->mm in __get_user_pages_locked
2020-09-28 09:21:50 -07:00
highmem.c
…
hmm.c
mm: do page fault accounting in handle_mm_fault
2020-08-12 10:58:02 -07:00
huge_memory.c
mm/thp: Split huge pmds/puds if they're pinned when fork()
2020-09-27 11:21:35 -07:00
hugetlb_cgroup.c
hugetlb_cgroup: convert comma to semicolon
2020-08-21 09:52:52 -07:00
hugetlb.c
mm/hugetlb: fix a race between hugetlb sysctl handlers
2020-09-05 12:14:30 -07:00
hwpoison-inject.c
…
init-mm.c
…
internal.h
mm: replace hpage_nr_pages with thp_nr_pages
2020-08-14 19:56:56 -07:00
interval_tree.c
…
ioremap.c
mm: move p?d_alloc_track to separate header file
2020-08-07 11:33:26 -07:00
Kconfig
mm/sparse: cleanup the code surrounding memory_present()
2020-08-07 11:33:27 -07:00
Kconfig.debug
…
khugepaged.c
mm: khugepaged: recalculate min_free_kbytes after memory hotplug as expected by khugepaged
2020-10-11 10:31:11 -07:00
kmemleak-test.c
…
kmemleak.c
mm/kmemleak: silence KCSAN splats in checksum
2020-08-14 19:56:56 -07:00
ksm.c
ksm: reinstate memcg charge on copied pages
2020-09-19 13:13:38 -07:00
list_lru.c
mm/list_lru: fix a data race in list_lru_count_one
2020-08-14 19:56:57 -07:00
maccess.c
uaccess: add force_uaccess_{begin,end} helpers
2020-08-12 10:57:59 -07:00
madvise.c
mm: validate pmd after splitting
2020-09-26 10:48:08 -07:00
Makefile
mm: move lib/ioremap.c to mm/
2020-08-07 11:33:26 -07:00
mapping_dirty_helpers.c
…
memblock.c
mm/memblock: expose only miminal interface to add/walk physmem
2020-07-10 15:08:09 +02:00
memcontrol.c
mm: memcontrol: fix missing suffix of workingset_restore
2020-09-26 10:33:57 -07:00
memfd.c
…
memory_hotplug.c
mm: don't rely on system state to detect hot-plug operations
2020-09-26 10:33:57 -07:00
memory-failure.c
mm/migrate: introduce a standard migration target allocation function
2020-08-12 10:58:02 -07:00
memory.c
mm: avoid early COW write protect games during fork()
2020-10-08 10:11:32 -07:00
mempolicy.c
mm: replace hpage_nr_pages with thp_nr_pages
2020-08-14 19:56:56 -07:00
mempool.c
mm/mempool: fix a data race in mempool_free()
2020-08-14 19:56:57 -07:00
memremap.c
memremap: rename MEMORY_DEVICE_DEVDAX to MEMORY_DEVICE_GENERIC
2020-09-04 09:59:59 +02:00
memtest.c
…
migrate.c
mm/migrate: correct thp migration stats
2020-09-26 10:33:57 -07:00
mincore.c
…
mlock.c
mlock: fix unevictable_pgs event counts on THP
2020-09-19 13:13:38 -07:00
mm_init.c
mm: adjust vm_committed_as_batch according to vm overcommit policy
2020-08-07 11:33:26 -07:00
mmap.c
mm: mmap: Fix general protection fault in unlink_file_vma()
2020-10-11 10:31:10 -07:00
mmu_gather.c
…
mmu_notifier.c
mm: mmu_notifier: fix and extend kerneldoc
2020-08-12 10:57:57 -07:00
mmzone.c
…
mprotect.c
…
mremap.c
mm/mremap: start addresses are properly aligned
2020-08-07 11:33:27 -07:00
msync.c
…
nommu.c
mm/nommu.c: delete duplicated words
2020-08-12 10:57:58 -07:00
oom_kill.c
mm, oom: show process exiting information in __oom_kill_process()
2020-08-12 10:57:56 -07:00
page_alloc.c
mm: khugepaged: recalculate min_free_kbytes after memory hotplug as expected by khugepaged
2020-10-11 10:31:11 -07:00
page_counter.c
mm/page_counter: fix various data races at memsw
2020-08-14 19:56:57 -07:00
page_ext.c
…
page_idle.c
…
page_io.c
mm/page_io: mark various intentional data races
2020-08-14 19:56:56 -07:00
page_isolation.c
mm/memory_hotplug: drain per-cpu pages again during memory offline
2020-09-19 13:13:39 -07:00
page_owner.c
…
page_poison.c
…
page_reporting.c
…
page_reporting.h
…
page_vma_mapped.c
mm: replace hpage_nr_pages with thp_nr_pages
2020-08-14 19:56:56 -07:00
page-writeback.c
mm: remove vm_total_pages
2020-08-07 11:33:28 -07:00
pagewalk.c
…
percpu-internal.h
mm: memcg/percpu: account percpu memory to memory cgroups
2020-08-12 10:57:55 -07:00
percpu-km.c
mm: memcg/percpu: account percpu memory to memory cgroups
2020-08-12 10:57:55 -07:00
percpu-stats.c
mm: memcg/percpu: account percpu memory to memory cgroups
2020-08-12 10:57:55 -07:00
percpu-vm.c
mm: memcg/percpu: account percpu memory to memory cgroups
2020-08-12 10:57:55 -07:00
percpu.c
percpu: fix first chunk size calculation for populated bitmap
2020-09-17 17:34:39 +00:00
pgalloc-track.h
mm: move p?d_alloc_track to separate header file
2020-08-07 11:33:26 -07:00
pgtable-generic.c
…
process_vm_access.c
mm/gup: remove task_struct pointer for all gup code
2020-08-12 10:58:04 -07:00
ptdump.c
…
readahead.c
…
rmap.c
mm/rmap: fixup copying of soft dirty and uffd ptes
2020-09-05 12:14:30 -07:00
rodata_test.c
mm/rodata_test.c: fix missing function declaration
2020-08-21 09:52:53 -07:00
shmem.c
tmpfs: restore functionality of nr_inodes=0
2020-09-19 13:13:38 -07:00
shuffle.c
mm/shuffle: remove dynamic reconfiguration
2020-08-07 11:33:29 -07:00
shuffle.h
mm/shuffle: remove dynamic reconfiguration
2020-08-07 11:33:29 -07:00
slab_common.c
mm/slab_common.c: delete duplicated word
2020-08-12 10:57:58 -07:00
slab.c
mm: slab: fix potential double free in ___cache_free
2020-09-26 10:15:01 -07:00
slab.h
mm: slab: rename (un)charge_slab_page() to (un)account_slab_page()
2020-08-07 11:33:25 -07:00
slob.c
mm: memcg: convert vmstat slab counters to bytes
2020-08-07 11:33:24 -07:00
slub.c
mm, slub: restore initial kmem_cache flags
2020-10-03 11:28:12 -07:00
sparse-vmemmap.c
mm/sparse: only sub-section aligned range would be populated
2020-08-07 11:33:27 -07:00
sparse.c
mm/sparse: cleanup the code surrounding memory_present()
2020-08-07 11:33:27 -07:00
swap_cgroup.c
…
swap_slots.c
mm/swap_slots.c: remove redundant check for swap_slot_cache_initialized
2020-08-07 11:33:24 -07:00
swap_state.c
mm/swap_state: mark various intentional data races
2020-08-14 19:56:57 -07:00
swap.c
mlock: fix unevictable_pgs event counts on THP
2020-09-19 13:13:38 -07:00
swapfile.c
mm, THP, swap: fix allocating cluster for swapfile by mistake
2020-09-26 10:33:57 -07:00
truncate.c
…
usercopy.c
mm/usercopy.c: delete duplicated word
2020-08-12 10:57:58 -07:00
userfaultfd.c
mm/vmscan: protect the workingset on anonymous LRU
2020-08-12 10:57:55 -07:00
util.c
mm: remove unnecessary wrapper function do_mmap_pgoff()
2020-08-07 11:33:27 -07:00
vmacache.c
…
vmalloc.c
mm/vunmap: add cond_resched() in vunmap_pmd_range
2020-08-21 09:52:53 -07:00
vmpressure.c
…
vmscan.c
mm: fix check_move_unevictable_pages() on THP
2020-09-19 13:13:38 -07:00
vmstat.c
Merge branch 'simplify-do_wp_page'
2020-09-04 09:31:54 -07:00
workingset.c
mm: replace hpage_nr_pages with thp_nr_pages
2020-08-14 19:56:56 -07:00
z3fold.c
…
zbud.c
…
zpool.c
mm/zpool.c: delete duplicated word and fix grammar
2020-08-12 10:57:58 -07:00
zsmalloc.c
mm/zsmalloc.c: fix duplicated words
2020-08-12 10:57:58 -07:00
zswap.c
…