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1e8a0d84dc968e64c1323ef1a106ce56e99ccd06
linux/mm
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Marco Elver 71710d40d9 UPSTREAM: kfence: use TASK_IDLE when awaiting allocation 
Since wait_event() uses TASK_UNINTERRUPTIBLE by default, waiting for an
allocation counts towards load.  However, for KFENCE, this does not make
any sense, since there is no busy work we're awaiting.

Instead, use TASK_IDLE via wait_event_idle() to not count towards load.

BugLink: https://bugzilla.suse.com/show_bug.cgi?id=1185565
Link: https://lkml.kernel.org/r/20210521083209.3740269-1-elver@google.com
Fixes: 407f1d8c1b ("kfence: await for allocation using wait_event")
Signed-off-by: Marco Elver <elver@google.com>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Alexander Potapenko <glider@google.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: David Laight <David.Laight@ACULAB.COM>
Cc: Hillf Danton <hdanton@sina.com>
Cc: <stable@vger.kernel.org>	[5.12+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
(cherry picked from commit 8fd0e995cc)
Bug: 187129171
Signed-off-by: Connor O'Brien <connoro@google.com>
Change-Id: I837f80e59c11d0322063bac0b2873c25ff528ab6
2021-08-27 12:26:09 -07:00
..
kasan
BACKPORT: FROMLIST: kasan: add memzero int for unaligned size at DEBUG
2021-07-15 16:49:20 +00:00
kfence
UPSTREAM: kfence: use TASK_IDLE when awaiting allocation
2021-08-27 12:26:09 -07:00
backing-dev.c
bdi: replace BDI_CAP_NO_{WRITEBACK,ACCT_DIRTY} with a single flag
2020-09-24 13:43:39 -06:00
balloon_compaction.c
…
cleancache.c
…
cma_debug.c
FROMLIST: mm: cma: introduce gfp flag in cma_alloc instead of no_warn
2021-01-25 12:21:02 -08:00
cma_sysfs.c
ANDROID: make cma_sysfs experimental
2021-03-25 19:20:18 +00:00
cma.c
ANDROID: mm: cma do not sleep for __GFP_NORETRY
2021-07-14 11:54:49 -07:00
cma.h
ANDROID: GKI: add OEM data in cma struct
2021-06-04 11:15:16 -07:00
compaction.c
UPSTREAM: mm/compaction: correct deferral logic for proactive compaction
2021-07-21 22:18:24 +00:00
debug_page_ref.c
…
debug_vm_pgtable.c
mm/debug_vm_pgtable: fix alignment for pmd/pud_advanced_tests()
2021-06-10 13:39:26 +02:00
debug.c
ANDROID: mm: introduce page_pinner
2021-04-30 09:13:34 -07:00
dmapool.c
mm/dmapool.c: replace hard coded function name with __func__
2020-10-13 18:38:32 -07:00
early_ioremap.c
…
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
ANDROID: mm: Add hooks to filemap_fault for oem's optimization
2021-06-17 14:16:47 -07:00
frame_vector.c
mmap locking API: convert mmap_sem comments
2020-06-09 09:39:14 -07:00
frontswap.c
mm/frontswap: mark various intentional data races
2020-08-14 19:56:56 -07:00
gup_benchmark.c
mm/gup_benchmark: take the mmap lock around GUP
2020-10-18 09:27:09 -07:00
gup.c
Merge 5.10.38 into android12-5.10
2021-05-20 15:35:25 +02:00
highmem.c
mm/highmem.c: clean up endif comments
2020-10-16 11:11:18 -07:00
hmm.c
mm: do page fault accounting in handle_mm_fault
2020-08-12 10:58:02 -07:00
huge_memory.c
Merge 5.10.27 into android12-5.10
2021-04-02 15:25:50 +02:00
hugetlb_cgroup.c
hugetlb_cgroup: fix imbalanced css_get and css_put pair for shared mappings
2021-03-30 14:31:54 +02:00
hugetlb.c
Merge 5.10.43 into android12-5.10
2021-06-12 14:48:14 +02:00
hwpoison-inject.c
mm,hwpoison-inject: don't pin for hwpoison_filter
2020-10-16 11:11:16 -07:00
init-mm.c
FROMLIST: mm: protect mm_rb tree with a rwlock
2021-01-22 18:00:57 +00:00
internal.h
FROMLIST: mm: provide speculative fault infrastructure
2021-01-22 18:01:16 +00:00
interval_tree.c
…
ioremap.c
mm: move p?d_alloc_track to separate header file
2020-08-07 11:33:26 -07:00
Kconfig
FROMLIST: mm: cma: support sysfs
2021-03-25 19:20:09 +00:00
Kconfig.debug
ANDROID: mm: introduce page_pinner
2021-04-30 09:13:34 -07:00
khugepaged.c
Merge 5.10.38 into android12-5.10
2021-05-20 15:35:25 +02:00
kmemleak.c
UPSTREAM: kfence: make compatible with kmemleak
2021-04-29 08:13:57 +02:00
ksm.c
Merge 5.10.38 into android12-5.10
2021-05-20 15:35:25 +02:00
list_lru.c
mm: list_lru: set shrinker map bit when child nr_items is not zero
2020-12-06 10:19:07 -08:00
maccess.c
uaccess: add force_uaccess_{begin,end} helpers
2020-08-12 10:57:59 -07:00
madvise.c
FROMLIST: mm/madvise: add MADV_WILLNEED to process_madvise()
2021-08-16 15:13:13 +00:00
Makefile
ANDROID: mm: introduce page_pinner
2021-04-30 09:13:34 -07:00
mapping_dirty_helpers.c
…
memblock.c
UPSTREAM: mm: memblock: add more debug logs
2021-05-21 09:08:08 +05:30
memcontrol.c
FROMLIST: mm, memcg: inline swap-related functions to improve disabled memcg config
2021-07-12 18:34:30 -07:00
memfd.c
…
memory_hotplug.c
ANDROID: mm: cma: skip problematic pageblock
2021-07-14 11:54:49 -07:00
memory-failure.c
mm/memory-failure: unnecessary amount of unmapping
2021-05-14 09:50:45 +02:00
memory.c
ANDROID: mm: bail out tlb free batching on page zapping when cma is going on
2021-07-14 11:54:49 -07:00
mempolicy.c
FROMLIST: mm: replace migrate_[prep|finish] with lru_cache_[disable|enable]
2021-03-23 04:05:24 +00:00
mempool.c
FROMGIT: kasan: use separate (un)poison implementation for integrated init
2021-06-17 14:39:37 -07:00
memremap.c
mm: fix memory_failure() handling of dax-namespace metadata
2021-03-04 11:38:21 +01:00
memtest.c
…
migrate.c
Merge 5.10.38 into android12-5.10
2021-05-20 15:35:25 +02:00
mincore.c
mm: factor find_get_incore_page out of mincore_page
2020-10-13 18:38:29 -07:00
mlock.c
ANDROID: mm: page_pinner: unattribute follow_page in munlock_vma_pages_range
2021-04-30 09:13:35 -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
ANDROID: android: export kernel function vm_unmapped_area
2021-07-08 22:12:00 +00:00
mmu_gather.c
mmap locking API: convert mmap_sem comments
2020-06-09 09:39:14 -07:00
mmu_notifier.c
mm/mmu_notifiers: ensure range_end() is paired with range_start()
2021-03-30 14:32:06 +02:00
mmzone.c
ANDROID: mm: export zone_watermark_ok
2021-02-25 19:36:38 +00:00
mprotect.c
FROMGIT: mm: improve mprotect(R|W) efficiency on pages referenced once
2021-06-15 19:33:15 +00:00
mremap.c
UPSTREAM: mm/mremap: hold the rmap lock in write mode when moving page table entries.
2021-07-15 18:39:14 +00:00
msync.c
mmap locking API: use coccinelle to convert mmap_sem rwsem call sites
2020-06-09 09:39:14 -07:00
nommu.c
ANDROID: mm: allow vmas with vm_ops to be speculatively handled
2021-04-23 18:42:39 -07:00
oom_kill.c
ANDROID: signal: Add vendor hook for memory reaping
2021-06-03 20:59:15 +00:00
page_alloc.c
ANDROID: mm, kasan: fix for "integrate page_alloc init with HW_TAGS"
2021-07-20 00:38:20 +00:00
page_counter.c
mm/page_counter: correct the obsolete func name in the comment of page_counter_try_charge()
2020-10-13 18:38:30 -07:00
page_ext.c
ANDROID: mm: introduce page_pinner
2021-04-30 09:13:34 -07:00
page_idle.c
…
page_io.c
UPSTREAM: mm/page_io: use pr_alert_ratelimited for swap read/write errors
2021-03-30 18:44:11 +00:00
page_isolation.c
ANDROID: mm: cma: skip problematic pageblock
2021-07-14 11:54:49 -07:00
page_owner.c
ANDROID: mm: Make page_owner_enabled global
2021-04-01 00:09:00 +00:00
page_pinner.c
ANDROID: mm: page_pinner: use EXPORT_SYMBOL_GPL
2021-07-14 03:38:32 +00:00
page_poison.c
UPSTREAM: kasan: fix conflict with page poisoning
2021-07-19 20:39:17 +00:00
page_reporting.c
mm: rename page_order() to buddy_order()
2020-10-16 11:11:19 -07:00
page_reporting.h
mm: introduce include/linux/pgtable.h
2020-06-09 09:39:13 -07:00
page_vma_mapped.c
mm: replace hpage_nr_pages with thp_nr_pages
2020-08-14 19:56:56 -07:00
page-writeback.c
ANDROID: vendor_hooks: add hook to balance_dirty_pages()
2021-05-20 19:38:42 +00:00
pagewalk.c
mmap locking API: convert mmap_sem comments
2020-06-09 09:39:14 -07:00
percpu-internal.h
percpu: make pcpu_nr_empty_pop_pages per chunk type
2021-04-14 08:42:03 +02:00
percpu-km.c
mm: memcg/percpu: account percpu memory to memory cgroups
2020-08-12 10:57:55 -07:00
percpu-stats.c
percpu: make pcpu_nr_empty_pop_pages per chunk type
2021-04-14 08:42:03 +02:00
percpu-vm.c
mm: memcg/percpu: account percpu memory to memory cgroups
2020-08-12 10:57:55 -07:00
percpu.c
Merge 5.10.30 into android12-5.10
2021-04-15 14:23:41 +02:00
pgalloc-track.h
mm: move p?d_alloc_track to separate header file
2020-08-07 11:33:26 -07:00
pgtable-generic.c
mm: introduce include/linux/pgtable.h
2020-06-09 09:39:13 -07:00
process_vm_access.c
mm/process_vm_access.c: include compat.h
2021-01-19 18:27:21 +01:00
ptdump.c
Merge 5.10.32 into android12-5.10
2021-04-22 11:12:08 +02:00
readahead.c
ANDROID: mm: Create vendor hooks to control ZONE_MOVABLE allocations
2020-12-01 18:07:54 +00:00
rmap.c
FROMLIST: mm: introduce __page_add_new_anon_rmap()
2021-01-22 18:00:48 +00:00
rodata_test.c
mm/rodata_test.c: fix missing function declaration
2020-08-21 09:52:53 -07:00
shmem.c
ANDROID: mm: provision to add shmem pages to inactive file lru head
2021-07-14 20:52:01 -07:00
shuffle.c
mm: rename page_order() to buddy_order()
2020-10-16 11:11:19 -07:00
shuffle.h
mm/shuffle: remove dynamic reconfiguration
2020-08-07 11:33:29 -07:00
slab_common.c
FROMGIT: mm: slub: move sysfs slab alloc/free interfaces to debugfs
2021-06-15 18:11:57 +00:00
slab.c
Merge 5.10.37 into android12-5.10
2021-05-15 09:28:55 +02:00
slab.h
BACKPORT: FROMLIST: mm: move helper to check slub_debug_enabled
2021-07-15 16:49:09 +00:00
slob.c
mm: memcg: convert vmstat slab counters to bytes
2020-08-07 11:33:24 -07:00
slub.c
FROMLIST: mm: slub: fix slub_debug disabling for list of slabs
2021-08-16 19:17:05 +00:00
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: add the missing sparse_buffer_fini() in error branch
2021-05-14 09:50:45 +02:00
swap_cgroup.c
…
swap_slots.c
mm/swap_slots.c: remove always zero and unused return value of enable_swap_slots_cache()
2020-10-13 18:38:30 -07:00
swap_state.c
FROMLIST: mm: protect VMA modifications using VMA sequence count
2021-01-22 17:59:47 +00:00
swap.c
ANDROID: mm: provision to add shmem pages to inactive file lru head
2021-07-14 20:52:01 -07:00
swapfile.c
FROMLIST: mm, memcg: inline swap-related functions to improve disabled memcg config
2021-07-12 18:34:30 -07:00
truncate.c
mm/truncate.c: make __invalidate_mapping_pages() static
2020-11-02 12:14:19 -08:00
usercopy.c
mm/usercopy.c: delete duplicated word
2020-08-12 10:57:58 -07:00
userfaultfd.c
FROMGIT: userfaultfd/shmem: modify shmem_mfill_atomic_pte to use install_pte()
2021-06-04 19:13:10 +00:00
util.c
ANDROID: android: export kernel function arch_mmap_rnd
2021-07-09 20:51:14 +00:00
vmacache.c
kernel: better document the use_mm/unuse_mm API contract
2020-06-10 19:14:18 -07:00
vmalloc.c
ANDROID: GKI: Export two more mm symbols for GKI
2021-07-19 17:15:33 +00:00
vmpressure.c
FROMLIST: mm, memcg: add mem_cgroup_disabled checks in vmpressure and swap-related functions
2021-07-12 18:26:15 -07:00
vmscan.c
ANDROID: Allow vendor module to reclaim a memcg
2021-07-12 18:54:56 +00:00
vmstat.c
ANDROID: mm: allow vmas with vm_ops to be speculatively handled
2021-04-23 18:42:39 -07:00
workingset.c
Merge tag 'xarray-5.9' of git://git.infradead.org/users/willy/xarray
2020-10-20 14:39:37 -07:00
z3fold.c
z3fold: prevent reclaim/free race for headless pages
2021-03-30 14:31:54 +02:00
zbud.c
mm/zbud: remove redundant initialization
2020-10-13 18:38:34 -07:00
zpool.c
mm/zpool.c: delete duplicated word and fix grammar
2020-08-12 10:57:58 -07:00
zsmalloc.c
Merge 5.10.21 into android12-5.10
2021-03-07 12:53:30 +01:00
zswap.c
…