Use IS_ALIGNED() to determine whether the shadow span two bytes. It generates less code and more readable. Signed-off-by: Xishi Qiu <qiuxishi@xxxxxxxxxx> --- mm/kasan/kasan.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/kasan/kasan.c b/mm/kasan/kasan.c index 7b28e9c..c6ddff1 100644 --- a/mm/kasan/kasan.c +++ b/mm/kasan/kasan.c @@ -120,7 +120,7 @@ static __always_inline bool memory_is_poisoned_8(unsigned long addr) if (memory_is_poisoned_1(addr + 7)) return true; - if (likely(((addr + 7) & KASAN_SHADOW_MASK) >= 7)) + if (likely(IS_ALIGNED(addr, 8))) return false; return unlikely(*(u8 *)shadow_addr); -- 2.0.0 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>