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Alexander Potapenko 3429055f04 mm: kmsan: implement kmsan_memmove() 
Provide a hook that can be used by custom memcpy implementations to tell
KMSAN that the metadata needs to be copied.  Without that, false positive
reports are possible in the cases where KMSAN fails to intercept memory
initialization.

Link: https://lore.kernel.org/all/3b7dbd88-0861-4638-b2d2-911c97a4cadf@I-love.SAKURA.ne.jp/
Link: https://lkml.kernel.org/r/20240320101851.2589698-1-glider@google.com
Signed-off-by: Alexander Potapenko <glider@google.com>
Suggested-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Reviewed-by: Marco Elver <elver@google.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-04-25 21:07:02 -07:00
..
damon
mm: madvise: pageout: ignore references rather than clearing young
2024-03-04 17:01:18 -08:00
kasan
- Sumanth Korikkar has taught s390 to allocate hotplug-time page frames
2024-03-14 17:43:30 -07:00
kfence
KFENCE: cleanup kfence_guarded_alloc() after CONFIG_SLAB removal
2023-12-05 11:17:58 +01:00
kmsan
mm: kmsan: implement kmsan_memmove()
2024-04-25 21:07:02 -07:00
backing-dev.c
vfs-6.9.misc
2024-03-11 09:38:17 -07:00
balloon_compaction.c
…
bootmem_info.c
bootmem: use kmemleak_free_part_phys in put_page_bootmem
2023-10-25 16:47:13 -07:00
cma_debug.c
…
cma_sysfs.c
mm/cma: add sysfs file 'release_pages_success'
2024-02-22 10:24:57 -08:00
cma.c
mm/cma: add sysfs file 'release_pages_success'
2024-02-22 10:24:57 -08:00
cma.h
mm/cma: add sysfs file 'release_pages_success'
2024-02-22 10:24:57 -08:00
compaction.c
- Sumanth Korikkar has taught s390 to allocate hotplug-time page frames
2024-03-14 17:43:30 -07:00
debug_page_alloc.c
mm, treewide: rename MAX_ORDER to MAX_PAGE_ORDER
2024-01-08 15:27:15 -08:00
debug_page_ref.c
…
debug_vm_pgtable.c
mm/debug_vm_pgtable: fix BUG_ON with pud advanced test
2024-02-23 17:27:13 -08:00
debug.c
mm: make dump_page() take a const argument
2024-03-06 13:04:18 -08:00
dmapool_test.c
dmapool: add alloc/free performance test
2023-04-05 19:42:38 -07:00
dmapool.c
mm/mempool/dmapool: remove CONFIG_DEBUG_SLAB ifdefs
2023-12-05 11:17:58 +01:00
early_ioremap.c
mm/early_ioremap.c: improve the execution efficiency of early_ioremap_setup()
2023-06-09 16:25:56 -07:00
fadvise.c
mm: remove unnecessary pagevec includes
2023-06-23 16:59:31 -07:00
fail_page_alloc.c
mm: page_alloc: split out FAIL_PAGE_ALLOC
2023-06-09 16:25:23 -07:00
failslab.c
mm: fix unexpected changes to {failslab|fail_page_alloc}.attr
2022-11-22 18:50:44 -08:00
filemap.c
mm: cachestat: fix two shmem bugs
2024-03-26 11:07:20 -07:00
folio-compat.c
mm: remove page_add_new_anon_rmap and lru_cache_add_inactive_or_unevictable
2023-12-29 11:58:27 -08:00
gup_test.c
Merge mm-hotfixes-stable into mm-stable to pick up depended-upon changes.
2023-06-23 16:58:19 -07:00
gup_test.h
mm/gup_test: start/stop/read functionality for PIN LONGTERM test
2022-11-08 17:37:15 -08:00
gup.c
mm: clean up populate_vma_page_range() FOLL_* flag handling
2024-03-29 11:06:13 -07:00
highmem.c
x86/kexec: use pr_err() instead of kexec_dprintk() when an error occurs
2023-12-29 12:22:28 -08:00
hmm.c
mm: enable page walking API to lock vmas during the walk
2023-08-21 13:07:20 -07:00
huge_memory.c
mm/huge_memory: skip invalid debugfs new_order input for folio split
2024-03-12 13:07:17 -07:00
hugetlb_cgroup.c
mm, hugetlb: remove HUGETLB_CGROUP_MIN_ORDER
2023-10-18 14:34:17 -07:00
hugetlb_vmemmap.c
mm: hugetlb_vmemmap: move mmap lock to vmemmap_remap_range()
2023-12-12 10:57:08 -08:00
hugetlb_vmemmap.h
mm: hugetlb_vmemmap: fix reference to nonexistent file
2023-10-25 16:47:14 -07:00
hugetlb.c
mm: add an explicit smp_wmb() to UFFDIO_CONTINUE
2024-03-12 13:07:17 -07:00
hwpoison-inject.c
mm/hwpoison: add __init/__exit annotations to module init/exit funcs
2022-10-03 14:03:05 -07:00
init-mm.c
mm: Deprecate pasid field
2023-12-12 10:11:32 +01:00
internal.h
- Sumanth Korikkar has taught s390 to allocate hotplug-time page frames
2024-03-14 17:43:30 -07:00
interval_tree.c
…
io-mapping.c
…
ioremap.c
mm: ioremap: remove unneeded ioremap_allowed and iounmap_allowed
2023-08-18 10:12:36 -07:00
Kconfig
Kbuild updates for v6.9
2024-03-21 14:41:00 -07:00
Kconfig.debug
mm/slub: unify all sl[au]b parameters with "slab_$param"
2024-01-22 10:31:08 +01:00
khugepaged.c
mm: convert free_swap_cache() to take a folio
2024-03-04 17:01:26 -08:00
kmemleak.c
kmemleak: avoid RCU stalls when freeing metadata for per-CPU pointers
2023-12-12 10:57:07 -08:00
ksm.c
mm: convert page_try_share_anon_rmap() to folio_try_share_anon_rmap_[pte|pmd]()
2023-12-29 11:58:56 -08:00
list_lru.c
mm/zswap: stop lru list shrinking when encounter warm region
2024-02-22 10:24:54 -08:00
maccess.c
mm: Fix copy_from_user_nofault().
2023-04-12 17:36:23 -07:00
madvise.c
mm: madvise: pageout: ignore references rather than clearing young
2024-03-04 17:01:18 -08:00
Makefile
kbuild: make -Woverride-init warnings more consistent
2024-03-31 11:32:26 +09:00
mapping_dirty_helpers.c
mm: fix clean_record_shared_mapping_range kernel-doc
2023-08-24 16:20:30 -07:00
memblock.c
cxl fixes for 6.8-rc6
2024-02-24 15:53:40 -08:00
memcontrol.c
memcg: remove mem_cgroup_uncharge_list()
2024-03-04 17:01:25 -08:00
memfd.c
mm/memfd: refactor memfd_tag_pins() and memfd_wait_for_pins()
2024-03-04 17:01:21 -08:00
memory_hotplug.c
mm/memory_hotplug: export mhp_supports_memmap_on_memory()
2024-02-22 10:24:40 -08:00
memory-failure.c
mm/memory-failure: fix crash in split_huge_page_to_list from soft_offline_page
2024-02-07 21:20:34 -08:00
memory-tiers.c
mm/demotion: print demotion targets
2024-02-22 10:24:55 -08:00
memory.c
x86/mm/pat: fix VM_PAT handling in COW mappings
2024-04-05 11:21:31 -07:00
mempolicy.c
mm/mempolicy: use a folio in do_mbind()
2024-03-06 13:04:18 -08:00
mempool.c
mempool: kvmalloc pool
2024-03-13 18:38:13 -04:00
memremap.c
mm: remove stale example from comment
2023-12-29 11:58:26 -08:00
memtest.c
memtest: use {READ,WRITE}_ONCE in memory scanning
2024-03-13 12:12:21 -07:00
migrate_device.c
mm: convert page_try_share_anon_rmap() to folio_try_share_anon_rmap_[pte|pmd]()
2023-12-29 11:58:56 -08:00
migrate.c
merge mm-hotfixes-stable into mm-nonmm-stable to pick up stackdepot changes
2024-02-23 17:28:43 -08:00
mincore.c
mm: enable page walking API to lock vmas during the walk
2023-08-21 13:07:20 -07:00
mlock.c
mm: make folios_put() the basis of release_pages()
2024-03-04 17:01:22 -08:00
mm_init.c
Author: Gang Li padata: dispatch works on
2024-03-06 13:04:17 -08:00
mm_slot.h
mm: introduce common struct mm_slot
2022-10-03 14:02:43 -07:00
mmap_lock.c
…
mmap.c
RISC-V Patches for the 6.9 Merge Window
2024-03-22 10:41:13 -07:00
mmu_gather.c
mm/mmu_gather: improve cond_resched() handling with large folios and expensive page freeing
2024-02-22 15:27:17 -08:00
mmu_notifier.c
mmu_notifiers: rename invalidate_range notifier
2023-08-18 10:12:41 -07:00
mmzone.c
zswap: shrink zswap pool based on memory pressure
2023-12-12 10:57:02 -08:00
mprotect.c
mprotect: use pfn_swap_entry_folio
2024-02-21 16:00:03 -08:00
mremap.c
mm: abstract VMA merge and extend into vma_merge_extend() helper
2023-10-18 14:34:18 -07:00
msync.c
mm/msync: use vma_find() instead of vma linked list
2022-09-26 19:46:25 -07:00
nommu.c
mm/vmalloc: remove vmap_area_list
2024-02-23 17:48:19 -08:00
oom_kill.c
mm: update mark_victim tracepoints fields
2024-03-04 17:01:16 -08:00
page_alloc.c
- Sumanth Korikkar has taught s390 to allocate hotplug-time page frames
2024-03-14 17:43:30 -07:00
page_counter.c
…
page_ext.c
mm/page_ext: move functions around for minor cleanups to page_ext
2023-08-18 10:12:31 -07:00
page_idle.c
mm: page_idle: convert page idle to use a folio
2023-01-18 17:12:52 -08:00
page_io.c
zswap: memcontrol: implement zswap writeback disabling
2023-12-29 20:22:11 -08:00
page_isolation.c
mm: add alloc_contig_migrate_range allocation statistics
2024-03-04 17:01:27 -08:00
page_owner.c
mm,page_owner: fix recursion
2024-03-26 11:07:20 -07:00
page_poison.c
mm/page_poison: replace kmap_atomic() with kmap_local_page()
2023-12-10 16:51:50 -08:00
page_reporting.c
mm, treewide: rename MAX_ORDER to MAX_PAGE_ORDER
2024-01-08 15:27:15 -08:00
page_reporting.h
…
page_table_check.c
mm: convert page_table_check_pte_set() to page_table_check_ptes_set()
2023-08-24 16:20:18 -07:00
page_vma_mapped.c
mm: thp: introduce multi-size THP sysfs interface
2023-12-20 14:48:12 -08:00
page-writeback.c
writeback: remove a use of write_cache_pages() from do_writepages()
2024-02-23 17:48:38 -08:00
pagewalk.c
mm: pagewalk: assert write mmap lock only for walking the user page tables
2023-12-10 16:51:53 -08:00
percpu-internal.h
percpu-internal/pcpu_chunk: re-layout pcpu_chunk structure to reduce false sharing
2023-06-19 16:19:29 -07:00
percpu-km.c
…
percpu-stats.c
…
percpu-vm.c
…
percpu.c
mm: Introduce flush_cache_vmap_early()
2023-12-14 00:23:17 -08:00
pgalloc-track.h
…
pgtable-generic.c
mm/pgtable: notes on pte_offset_map[_lock]()
2023-08-18 10:12:25 -07:00
process_vm_access.c
mm: fix process_vm_rw page counts
2023-12-10 16:51:39 -08:00
ptdump.c
mm: ptdump: add check_wx_pages debugfs attribute
2024-02-22 10:24:47 -08:00
readahead.c
mm: support order-1 folios in the page cache
2024-03-04 17:01:19 -08:00
rmap.c
rmap: replace two calls to compound_order with folio_order
2024-02-22 15:27:20 -08:00
rodata_test.c
mm/rodata_test: use PAGE_ALIGNED() helper
2022-10-03 14:03:05 -07:00
secretmem.c
mm/secretmem: use a folio in secretmem_fault()
2023-08-21 13:38:02 -07:00
shmem_quota.c
tmpfs: fix race on handling dquot rbtree
2024-03-26 11:07:23 -07:00
shmem.c
- Sumanth Korikkar has taught s390 to allocate hotplug-time page frames
2024-03-14 17:43:30 -07:00
show_mem.c
mm, treewide: introduce NR_PAGE_ORDERS
2024-01-08 15:27:15 -08:00
shrinker_debug.c
mm: shrinker: convert shrinker_rwsem to mutex
2023-10-04 10:32:26 -07:00
shrinker.c
mm: shrinker: use kvzalloc_node() from expand_one_shrinker_info()
2024-01-05 09:58:32 -08:00
shuffle.c
mm/shuffle: convert module_param_call to module_param_cb
2022-10-03 14:03:07 -07:00
shuffle.h
mm, treewide: rename MAX_ORDER to MAX_PAGE_ORDER
2024-01-08 15:27:15 -08:00
slab_common.c
- Kuan-Wei Chiu has developed the well-named series "lib min_heap: Min
2024-03-14 18:03:09 -07:00
slab.h
Merge branch 'slab/for-6.9/slab-flag-cleanups' into slab/for-linus
2024-03-12 10:16:56 +01:00
slub.c
Merge branch 'slab/for-6.9/slab-flag-cleanups' into slab/for-linus
2024-03-12 10:16:56 +01:00
sparse-vmemmap.c
mm/vmemmap: allow architectures to override how vmemmap optimization works
2023-08-18 10:12:53 -07:00
sparse.c
mm/memory_hotplug: introduce MEM_PREPARE_ONLINE/MEM_FINISH_OFFLINE notifiers
2024-02-21 16:00:01 -08:00
swap_cgroup.c
mm: memcontrol: don't allocate cgroup swap arrays when memcg is disabled
2022-10-03 14:03:36 -07:00
swap_slots.c
mm/zswap: invalidate zswap entry when swap entry free
2024-02-22 10:24:54 -08:00
swap_state.c
mm: convert free_swap_cache() to take a folio
2024-03-04 17:01:26 -08:00
swap.c
mm: fix list corruption in put_pages_list
2024-03-12 13:07:16 -07:00
swap.h
mm/swap: fix race when skipping swapcache
2024-02-20 14:20:48 -08:00
swapfile.c
- Sumanth Korikkar has taught s390 to allocate hotplug-time page frames
2024-03-14 17:43:30 -07:00
truncate.c
fs: convert error_remove_page to error_remove_folio
2023-12-10 16:51:42 -08:00
usercopy.c
mm: Fix copy_from_user_nofault().
2023-04-12 17:36:23 -07:00
userfaultfd.c
userfaultfd: fix deadlock warning when locking src and dst VMAs
2024-03-26 11:07:23 -07:00
util.c
- Sumanth Korikkar has taught s390 to allocate hotplug-time page frames
2024-03-14 17:43:30 -07:00
vmalloc.c
mm: vmalloc: fix lockdep warning
2024-04-05 11:21:30 -07:00
vmpressure.c
eventfd: simplify eventfd_signal()
2023-11-28 14:08:38 +01:00
vmscan.c
- Sumanth Korikkar has taught s390 to allocate hotplug-time page frames
2024-03-14 17:43:30 -07:00
vmstat.c
mm, treewide: rename MAX_ORDER to MAX_PAGE_ORDER
2024-01-08 15:27:15 -08:00
workingset.c
mm: move mapping_set_update out of <linux/swap.h>
2024-02-21 11:36:50 +05:30
z3fold.c
mm/z3fold: fix the comment for __encode_handle()
2024-02-23 17:48:31 -08:00
zbud.c
mm: zswap: remove shrink from zpool interface
2023-06-19 16:19:27 -07:00
zpool.c
mm: zswap: remove shrink from zpool interface
2023-06-19 16:19:27 -07:00
zsmalloc.c
mm/zsmalloc: don't need to reserve LSB in handle
2024-03-04 17:01:28 -08:00
zswap.c
mm: zswap: fix data loss on SWP_SYNCHRONOUS_IO devices
2024-03-26 11:14:12 -07:00