Instead of changing cache->align to be aligned to KASAN_SHADOW_SCALE_SIZE in kasan_cache_create() we can reuse the ARCH_SLAB_MINALIGN macro.
Suggested-by: Vincenzo Frascino <[email protected]> Signed-off-by: Andrey Konovalov <[email protected]> --- arch/arm64/include/asm/kasan.h | 4 ++++ mm/kasan/common.c | 2 -- 2 files changed, 4 insertions(+), 2 deletions(-) diff --git a/arch/arm64/include/asm/kasan.h b/arch/arm64/include/asm/kasan.h index b52aacd2c526..ba26150d578d 100644 --- a/arch/arm64/include/asm/kasan.h +++ b/arch/arm64/include/asm/kasan.h @@ -36,6 +36,10 @@ #define KASAN_SHADOW_OFFSET (KASAN_SHADOW_END - (1ULL << \ (64 - KASAN_SHADOW_SCALE_SHIFT))) +#ifdef CONFIG_KASAN_SW_TAGS +#define ARCH_SLAB_MINALIGN (1ULL << KASAN_SHADOW_SCALE_SHIFT) +#endif + void kasan_init(void); void kasan_copy_shadow(pgd_t *pgdir); asmlinkage void kasan_early_init(void); diff --git a/mm/kasan/common.c b/mm/kasan/common.c index 03d5d1374ca7..44390392d4c9 100644 --- a/mm/kasan/common.c +++ b/mm/kasan/common.c @@ -298,8 +298,6 @@ void kasan_cache_create(struct kmem_cache *cache, unsigned int *size, return; } - cache->align = round_up(cache->align, KASAN_SHADOW_SCALE_SIZE); - *flags |= SLAB_KASAN; } -- 2.20.0.405.gbc1bbc6f85-goog
