The patch titled Subject: kasan: drop skip_kasan_poison variable in free_pages_prepare has been removed from the -mm tree. Its filename was kasan-drop-skip_kasan_poison-variable-in-free_pages_prepare.patch This patch was dropped because it was merged into mainline or a subsystem tree ------------------------------------------------------ From: Andrey Konovalov <andreyknvl@xxxxxxxxxx> Subject: kasan: drop skip_kasan_poison variable in free_pages_prepare skip_kasan_poison is only used in a single place. Call should_skip_kasan_poison() directly for simplicity. Link: https://lkml.kernel.org/r/1d33212e79bc9ef0b4d3863f903875823e89046f.1643047180.git.andreyknvl@xxxxxxxxxx Signed-off-by: Andrey Konovalov <andreyknvl@xxxxxxxxxx> Suggested-by: Marco Elver <elver@xxxxxxxxxx> Acked-by: Marco Elver <elver@xxxxxxxxxx> Cc: Alexander Potapenko <glider@xxxxxxxxxx> Cc: Andrey Ryabinin <ryabinin.a.a@xxxxxxxxx> Cc: Catalin Marinas <catalin.marinas@xxxxxxx> Cc: Dmitry Vyukov <dvyukov@xxxxxxxxxx> Cc: Evgenii Stepanov <eugenis@xxxxxxxxxx> Cc: Mark Rutland <mark.rutland@xxxxxxx> Cc: Peter Collingbourne <pcc@xxxxxxxxxx> Cc: Vincenzo Frascino <vincenzo.frascino@xxxxxxx> Cc: Will Deacon <will@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/page_alloc.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) --- a/mm/page_alloc.c~kasan-drop-skip_kasan_poison-variable-in-free_pages_prepare +++ a/mm/page_alloc.c @@ -1297,7 +1297,6 @@ static __always_inline bool free_pages_p unsigned int order, bool check_free, fpi_t fpi_flags) { int bad = 0; - bool skip_kasan_poison = should_skip_kasan_poison(page, fpi_flags); bool init = want_init_on_free(); VM_BUG_ON_PAGE(PageTail(page), page); @@ -1371,7 +1370,7 @@ static __always_inline bool free_pages_p * With hardware tag-based KASAN, memory tags must be set before the * page becomes unavailable via debug_pagealloc or arch_free_page. */ - if (!skip_kasan_poison) { + if (!should_skip_kasan_poison(page, fpi_flags)) { kasan_poison_pages(page, order, init); /* Memory is already initialized if KASAN did it internally. */ _ Patches currently in -mm which might be from andreyknvl@xxxxxxxxxx are stacktrace-add-interface-based-on-shadow-call-stack.patch arm64-scs-save-scs_sp-values-per-cpu-when-switching-stacks.patch arm64-implement-stack_trace_save_shadow.patch kasan-use-stack_trace_save_shadow.patch