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Marco Elver 737b6a10ac kfence: allow use of a deferrable timer 
Allow the use of a deferrable timer, which does not force CPU wake-ups
when the system is idle.  A consequence is that the sample interval
becomes very unpredictable, to the point that it is not guaranteed that
the KFENCE KUnit test still passes.

Nevertheless, on power-constrained systems this may be preferable, so
let's give the user the option should they accept the above trade-off.

Link: https://lkml.kernel.org/r/20220308141415.3168078-1-elver@google.com
Signed-off-by: Marco Elver <elver@google.com>
Reviewed-by: Alexander Potapenko <glider@google.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2022-03-22 15:57:11 -07:00
..
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
kfence: allow use of a deferrable timer
2022-03-22 15:57:11 -07:00
backing-dev.c
remove congestion tracking framework
2022-03-22 15:57:01 -07:00
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
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: cleanup the compaction trace events
2022-03-22 15:57:09 -07:00
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: 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
tmpfs: do not allocate pages on read
2022-03-22 15:57:02 -07:00
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
mm/gup: remove unused get_user_pages_locked()
2022-03-22 15:57:01 -07:00
highmem.c
mm/highmem: remove unnecessary done label
2022-03-22 15:57:11 -07:00
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
memory tiering: skip to scan fast memory
2022-03-22 15:57:09 -07:00
hugetlb_cgroup.c
hugetlb: add hugetlb.*.numa_stat file
2022-01-15 16:30:29 +02:00
hugetlb_vmemmap.c
mm: hugetlb: replace hugetlb_free_vmemmap_enabled with a static_key
2022-03-22 15:57:08 -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
userfaultfd: provide unmasked address on page-fault
2022-03-22 15:57:08 -07:00
hwpoison-inject.c
mm/hwpoison: avoid the impact of hwpoison_filter() return value on mce handler
2022-03-22 15:57:07 -07:00
init-mm.c
mm: add setup_initial_init_mm() helper
2021-07-08 11:48:21 -07:00
internal.h
mm/early_ioremap: declare early_memremap_pgprot_adjust()
2022-03-22 15:57:11 -07:00
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/hugetlb: generalize ARCH_WANT_GENERAL_HUGETLB
2022-03-22 15:57:08 -07:00
Kconfig.debug
mm: page table check
2022-01-15 16:30:28 +02:00
khugepaged.c
mm/page_table_check: check entries at pmd levels
2022-02-04 09:25:04 -08:00
kmemleak.c
mm/kmemleak: avoid scanning potential huge holes
2022-02-04 09:25:05 -08:00
ksm.c
mm/ksm: use helper macro __ATTR_RW
2022-03-22 15:57:09 -07:00
list_lru.c
mm/list_lru: optimize memcg_reparent_list_lru_node()
2022-03-22 15:57:08 -07:00
maccess.c
mm: uninline copy_overflow()
2022-03-22 15:57:11 -07:00
madvise.c
mm: madvise: skip unmapped vma holes passed to process_madvise
2022-03-22 15:57:10 -07:00
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
memblock: use kfree() to release kmalloced memblock regions
2022-02-20 08:45:39 +02:00
memcontrol.c
memcg: do not tweak node in alloc_mem_cgroup_per_node_info
2022-03-22 15:57:10 -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
drivers/base/memory: determine and store zone for single-zone memory blocks
2022-03-22 15:57:10 -07:00
memory-failure.c
mm/memory-failure.c: make non-LRU movable pages unhandlable
2022-03-22 15:57:07 -07:00
memory.c
userfaultfd: provide unmasked address on page-fault
2022-03-22 15:57:08 -07:00
mempolicy.c
mempolicy: mbind_range() set_policy() after vma_merge()
2022-03-22 15:57:09 -07:00
mempool.c
mm: remove spurious blkdev.h includes
2021-10-18 06:17:01 -06:00
memremap.c
mm/memremap: avoid calling kasan_remove_zero_shadow() for device private memory
2022-03-22 15:57:01 -07:00
memtest.c
…
migrate.c
mm: only re-generate demotion targets when a numa node changes its N_CPU state
2022-03-22 15:57:11 -07:00
mincore.c
inode: make init and permission helpers idmapped mount aware
2021-01-24 14:27:16 +01:00
mlock.c
mm/mlock: fix potential imbalanced rlimit ucounts adjustment
2022-03-22 15:57:07 -07:00
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
mm/mmap: remove obsolete comment in ksys_mmap_pgoff
2022-03-22 15:57:05 -07:00
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
mm/mmu_notifiers: ensure range_end() is paired with range_start()
2021-03-25 09:22:55 -07:00
mmzone.c
mm/mmzone.c: use try_cmpxchg() in page_cpupid_xchg_last()
2022-03-22 15:57:05 -07:00
mprotect.c
memory tiering: skip to scan fast memory
2022-03-22 15:57:09 -07:00
mremap.c
mm/mremap:: use vma_lookup() instead of find_vma()
2022-03-22 15:57:05 -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
mm/oom_kill: remove unneeded is_memcg_oom check
2022-03-22 15:57:09 -07:00
page_alloc.c
mm: make free_area_init_node aware of memory less nodes
2022-03-22 15:57:10 -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: 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
mm: page_io: fix psi memory pressure error on cold swapins
2022-03-22 15:57:09 -07:00
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.c: use strtobool for param parsing
2022-03-22 15:57:11 -07:00
page_vma_mapped.c
mm: device exclusive memory access
2021-07-01 11:06:03 -07:00
page-writeback.c
mm/writeback: minor clean up for highmem_dirtyable_memory
2022-03-22 15:57:01 -07:00
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
mm: sparsemem: use page table lock to protect kernel pmd operations
2022-03-22 15:57:08 -07:00
readahead.c
remove inode_congested()
2022-03-22 15:57:01 -07:00
rmap.c
mm/thp: ClearPageDoubleMap in first page_add_file_rmap()
2022-03-22 15:57:11 -07:00
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: shmem: fix missing cache flush in shmem_mfill_atomic_pte()
2022-03-22 15:57:04 -07:00
shuffle.c
mm: eliminate "expecting prototype" kernel-doc warnings
2021-04-16 16:10:36 -07:00
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: introduce kmem_cache_alloc_lru
2022-03-22 15:57:03 -07:00
slab.h
mm: introduce kmem_cache_alloc_lru
2022-03-22 15:57:03 -07:00
slob.c
mm: introduce kmem_cache_alloc_lru
2022-03-22 15:57:03 -07:00
slub.c
mm: introduce kmem_cache_alloc_lru
2022-03-22 15:57:03 -07:00
sparse-vmemmap.c
mm: sparsemem: move vmemmap related to HugeTLB to CONFIG_HUGETLB_PAGE_FREE_VMEMMAP
2022-03-22 15:57:08 -07:00
sparse.c
mm/sparse: make mminit_validate_memmodel_limits() static
2022-03-22 15:57:05 -07:00
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: swap: get rid of livelock in swapin readahead
2022-03-17 11:02:13 -07:00
swap.c
mm: lru_cache_disable: replace work queue synchronization with synchronize_rcu
2022-03-22 15:57:08 -07:00
swapfile.c
userfaultfd: provide unmasked address on page-fault
2022-03-22 15:57:08 -07:00
truncate.c
mm: remove cleancache
2022-01-22 08:33:38 +02:00
usercopy.c
mm/usercopy: return 1 from hardened_usercopy __setup() handler
2022-03-22 15:57:11 -07:00
userfaultfd.c
mm: userfaultfd: fix missing cache flush in mcopy_atomic_pte() and __mcopy_atomic()
2022-03-22 15:57:04 -07:00
util.c
mm: Consider __GFP_NOWARN flag for oversized kvmalloc() calls
2022-03-04 10:00:37 -08:00
vmacache.c
…
vmalloc.c
mm/vmalloc.c: fix "unused function" warning
2022-03-22 15:57:05 -07:00
vmpressure.c
mm/vmpressure: fix data-race with memcg->socket_pressure
2021-11-06 13:30:40 -07:00
vmscan.c
NUMA balancing: optimize page placement for memory tiering system
2022-03-22 15:57:09 -07:00
vmstat.c
mm: only re-generate demotion targets when a numa node changes its N_CPU state
2022-03-22 15:57:11 -07:00
workingset.c
mm: workingset: replace IRQ-off check with a lockdep assert.
2022-03-22 15:57:08 -07:00
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
mm/zswap.c: allow handling just same-value filled pages
2022-03-22 15:57:11 -07:00