The patch titled Subject: kasan-allow-sampling-page_alloc-allocations-for-hw_tags-fix has been added to the -mm mm-unstable branch. Its filename is kasan-allow-sampling-page_alloc-allocations-for-hw_tags-fix.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/kasan-allow-sampling-page_alloc-allocations-for-hw_tags-fix.patch This patch will later appear in the mm-unstable branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next via the mm-everything branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there every 2-3 working days ------------------------------------------------------ From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Subject: kasan-allow-sampling-page_alloc-allocations-for-hw_tags-fix Date: Thu Oct 27 01:50:34 PM PDT 2022 fix build with CONFIG_KASAN=n Cc: Alexander Potapenko <glider@xxxxxxxxxx> Cc: Andrey Konovalov <andreyknvl@xxxxxxxxxx> Cc: Andrey Ryabinin <ryabinin.a.a@xxxxxxxxx> Cc: Dmitry Vyukov <dvyukov@xxxxxxxxxx> Cc: Evgenii Stepanov <eugenis@xxxxxxxxxx> Cc: Peter Collingbourne <pcc@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- include/linux/kasan.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/include/linux/kasan.h~kasan-allow-sampling-page_alloc-allocations-for-hw_tags-fix +++ a/include/linux/kasan.h @@ -250,8 +250,8 @@ static __always_inline bool kasan_check_ static inline void kasan_unpoison_range(const void *address, size_t size) {} static inline void kasan_poison_pages(struct page *page, unsigned int order, bool init) {} -static inline void kasan_unpoison_pages(struct page *page, unsigned int order, - bool init) {} +static inline bool kasan_unpoison_pages(struct page *page, unsigned int order, + bool init) { return false; } static inline void kasan_cache_create_kmalloc(struct kmem_cache *cache) {} static inline void kasan_poison_slab(struct slab *slab) {} static inline void kasan_unpoison_object_data(struct kmem_cache *cache, _ Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are ipc-msgc-fix-percpu_counter-use-after-free.patch fs-ext4-superc-remove-unused-deprecated_msg.patch mm-memremap_pages-replace-zone_device_page_init-with-pgmap_request_folios-fix.patch mm-hugetlb-convert-free_huge_page-to-folios-fix.patch vmalloc-add-reviewers-for-vmalloc-code-checkpatch-fixes.patch mm-memremap-introduce-pgmap_request_folio-using-pgmap-offsets-fix.patch mm-memremap-introduce-pgmap_request_folio-using-pgmap-offsets-fix-2.patch mm-gup-remove-foll_migration-fix.patch mm-use-stack_depot-for-recording-kmemleaks-backtrace-checkpatch-fixes.patch kasan-allow-sampling-page_alloc-allocations-for-hw_tags-fix.patch powerpc-ptrace-user_regset_copyin_ignore-always-returns-0-fix.patch minmax-sanity-check-constant-bounds-when-clamping-checkpatch-fixes.patch minmax-sanity-check-constant-bounds-when-clamping-checkpatch-fixes-fix.patch proc-report-open-files-as-size-in-stat-for-proc-pid-fd-v3-fix.patch