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Subject: [PATCH] mm/slab: trivial change to replace round-up code with ALIGN

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This patch makes use of ALIGN() to remove duplicate round-up code.

Signed-off-by: Canjiang Lu <canjiang.lu@samsung.com>
---
 mm/slab.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/mm/slab.c b/mm/slab.c
index 807d86c..69e08a4 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -2040,17 +2040,13 @@ static bool set_on_slab_cache(struct kmem_cache *cachep,
 	 * unaligned accesses for some archs when redzoning is used, and makes
 	 * sure any on-slab bufctl's are also correctly aligned.
 	 */
-	if (size & (BYTES_PER_WORD - 1)) {
-		size += (BYTES_PER_WORD - 1);
-		size &= ~(BYTES_PER_WORD - 1);
-	}
+	size = ALIGN(size, BYTES_PER_WORD);
 
 	if (flags & SLAB_RED_ZONE) {
 		ralign = REDZONE_ALIGN;
 		/* If redzoning, ensure that the second redzone is suitably
 		 * aligned, by adjusting the object size accordingly. */
-		size += REDZONE_ALIGN - 1;
-		size &= ~(REDZONE_ALIGN - 1);
+		size = ALIGN(size, REDZONE_ALIGN);
 	}
 
 	/* 3) caller mandated alignment */
-- 
1.9.1

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Subject: [PATCH] mm/slab: trivial change to replace round-up code  with ALIGN 陆灿江 <canjiang.lu@samsung.com> - 2017-06-16 09:30 +0200

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