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WSL2-Linux-Kernel
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WSL2-Linux-Kernel/mm
История
Andrey Konovalov 7c13c163e0 kasan, page_alloc: merge kasan_free_pages into free_pages_prepare 
Currently, the code responsible for initializing and poisoning memory in
free_pages_prepare() is scattered across two locations: kasan_free_pages()
for HW_TAGS KASAN and free_pages_prepare() itself.  This is confusing.

This and a few following patches combine the code from these two
locations.  Along the way, these patches also simplify the performed
checks to make them easier to follow.

Replaces the only caller of kasan_free_pages() with its implementation.

As kasan_has_integrated_init() is only true when CONFIG_KASAN_HW_TAGS is
enabled, moving the code does no functional changes.

This patch is not useful by itself but makes the simplifications in the
following patches easier to follow.

Link: https://lkml.kernel.org/r/303498d15840bb71905852955c6e2390ecc87139.1643047180.git.andreyknvl@google.com
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Reviewed-by: Alexander Potapenko <glider@google.com>
Acked-by: Marco Elver <elver@google.com>
Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Evgenii Stepanov <eugenis@google.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Peter Collingbourne <pcc@google.com>
Cc: Vincenzo Frascino <vincenzo.frascino@arm.com>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 		2022-03-24 19:06:46 -07:00
..
damon Folio changes for 5.18 2022-03-22 17:03:12 -07:00
kasan kasan, page_alloc: merge kasan_free_pages into free_pages_prepare 2022-03-24 19:06:46 -07:00
kfence kfence: allow use of a deferrable timer 2022-03-22 15:57:11 -07:00
Kconfig Folio changes for 5.18 2022-03-22 17:03:12 -07:00
Kconfig.debug mm: page table check 2022-01-15 16:30:28 +02:00
Makefile mm: move the migrate_vma_* device migration code into its own file 2022-03-03 12:47:33 -05:00
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.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
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
compaction.c mm: compaction: cleanup the compaction trace events 2022-03-22 15:57:09 -07:00
debug.c mm: unexport page_init_poison 2022-03-24 19:06:45 -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
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 mm: filemap_unaccount_folio() large skip mapcount fixup 2022-03-24 19:06:45 -07:00
folio-compat.c mm/rmap: Convert rmap_walk() to take a folio 2022-03-21 13:01:35 -04:00
frontswap.c frontswap: remove support for multiple ops 2022-01-22 08:33:38 +02:00
gup.c Folio changes for 5.18 2022-03-22 17:03:12 -07:00
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
highmem.c mm/highmem: remove unnecessary done label 2022-03-22 15:57:11 -07:00
hmm.c mm/hmm.c: remove unneeded local variable ret 2022-03-22 15:57:12 -07:00
huge_memory.c mm/migration: add trace events for THP migrations 2022-03-24 19:06:45 -07:00
hugetlb.c Folio changes for 5.18 2022-03-22 17:03:12 -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
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 kernel/fork: Initialize mm's PASID 2022-02-14 19:51:47 +01:00
internal.h Folio changes for 5.18 2022-03-22 17:03:12 -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
khugepaged.c mm/rmap: Convert try_to_unmap() to take a folio 2022-03-21 12:59:03 -04:00
kmemleak.c mm/kmemleak: avoid scanning potential huge holes 2022-02-04 09:25:05 -08:00
ksm.c Folio changes for 5.18 2022-03-22 17:03:12 -07:00
list_lru.c mm/list_lru: optimize memcg_reparent_list_lru_node() 2022-03-22 15:57:08 -07:00
maccess.c asm-generic updates for 5.18 2022-03-23 18:03:08 -07:00
madvise.c Folio changes for 5.18 2022-03-22 17:03:12 -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 memblock: use kfree() to release kmalloced memblock regions 2022-02-20 08:45:39 +02:00
memcontrol.c Folio changes for 5.18 2022-03-22 17:03:12 -07:00
memfd.c memfd: fix F_SEAL_WRITE after shmem huge page allocated 2022-03-05 11:08:32 -08:00
memory-failure.c Folio changes for 5.18 2022-03-22 17:03:12 -07:00
memory.c asm-generic updates for 5.18 2022-03-23 18:03:08 -07:00
memory_hotplug.c Folio changes for 5.18 2022-03-22 17:03:12 -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: delete __ClearPageWaiters() 2022-03-24 19:06:45 -07:00
memtest.c
…
migrate.c mm/migration: add trace events for base page and HugeTLB migrations 2022-03-24 19:06:45 -07:00
migrate_device.c mm/migrate: Convert remove_migration_ptes() to folios 2022-03-21 13:01:35 -04:00
mincore.c
…
mlock.c Folio changes for 5.18 2022-03-22 17:03:12 -07:00
mm_init.c include/linux/page-flags-layout.h: cleanups 2021-04-30 11:20:42 -07:00
mmap.c Folio changes for 5.18 2022-03-22 17:03:12 -07:00
mmap_lock.c mm: mmap_lock: fix disabling preemption directly 2021-07-23 17:43:28 -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 Folio changes for 5.18 2022-03-22 17:03:12 -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 Folio changes for 5.18 2022-03-22 17:03:12 -07:00
page-writeback.c Filesystem folio changes for 5.18 2022-03-22 18:26:56 -07:00
page_alloc.c kasan, page_alloc: merge kasan_free_pages into free_pages_prepare 2022-03-24 19:06:46 -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/rmap: Constify the rmap_walk_control argument 2022-03-21 13:01:35 -04:00
page_io.c Filesystem folio changes for 5.18 2022-03-22 18:26:56 -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 mm/page_owner.c: record tgid 2022-03-24 19:06:44 -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.c: use strtobool for param parsing 2022-03-22 15:57:11 -07:00
page_vma_mapped.c mm: Convert page_vma_mapped_walk to work on PFNs 2022-03-21 12:59:02 -04:00
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 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 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 Filesystem folio changes for 5.18 2022-03-22 18:26:56 -07:00
rmap.c mm/migration: add trace events for base page and HugeTLB migrations 2022-03-24 19:06:45 -07:00
rodata_test.c
…
secretmem.c fs: Convert __set_page_dirty_no_writeback to noop_dirty_folio 2022-03-16 13:37:05 -04:00
shmem.c Filesystem folio changes for 5.18 2022-03-22 18:26:56 -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.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
slab_common.c mm/slab_common: use helper function is_power_of_2() 2022-02-21 11:38:12 +01:00
slob.c slab updates for 5.18 2022-03-23 12:33:21 -07:00
slub.c slab updates for 5.18 2022-03-23 12:33:21 -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.c mm: delete __ClearPageWaiters() 2022-03-24 19:06:45 -07:00
swap_cgroup.c mm: use vmalloc_array and vcalloc for array allocations 2022-03-08 09:30:46 -05:00
swap_slots.c treewide: Add missing includes masked by cgroup -> bpf dependency 2021-12-03 10:58:13 -08:00
swap_state.c Filesystem folio changes for 5.18 2022-03-22 18:26:56 -07:00
swapfile.c userfaultfd: provide unmasked address on page-fault 2022-03-22 15:57:08 -07:00
truncate.c Filesystem folio changes for 5.18 2022-03-22 18:26:56 -07:00
usercopy.c Merge branch 'akpm' (patches from Andrew) 2022-03-22 16:11:53 -07:00
userfaultfd.c Folio changes for 5.18 2022-03-22 17:03:12 -07:00
util.c ARM: 2022-03-24 11:58:57 -07:00
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 Folio changes for 5.18 2022-03-22 17:03:12 -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 Folio changes for 5.18 2022-03-22 17:03:12 -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