diff mbox series

[154/181] mm/z3fold.c: use xx_zalloc instead xx_alloc and memset

Message ID 20201013235652.hOUXk_sFI%akpm@linux-foundation.org (mailing list archive)
State New, archived
Headers show
Series [001/181] compiler-clang: add build check for clang 10.0.1 | expand

Commit Message

Andrew Morton Oct. 13, 2020, 11:56 p.m. UTC 
From: Hui Su <sh_def@163.com>
Subject: mm/z3fold.c: use xx_zalloc instead xx_alloc and memset

alloc_slots() allocates memory for slots using kmem_cache_alloc(), then
memsets it.  We can just use kmem_cache_zalloc().

Link: https://lkml.kernel.org/r/20200926100834.GA184671@rlk
Signed-off-by: Hui Su <sh_def@163.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/z3fold.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
diff mbox series

Patch

--- a/mm/z3fold.c~mmz3fold-use-xx_zalloc-instead-xx_alloc-and-memset
+++ a/mm/z3fold.c
@@ -212,13 +212,12 @@  static inline struct z3fold_buddy_slots
 {
 	struct z3fold_buddy_slots *slots;
 
-	slots = kmem_cache_alloc(pool->c_handle,
+	slots = kmem_cache_zalloc(pool->c_handle,
 				 (gfp & ~(__GFP_HIGHMEM | __GFP_MOVABLE)));
 
 	if (slots) {
 		/* It will be freed separately in free_handle(). */
 		kmemleak_not_leak(slots);
-		memset(slots->slot, 0, sizeof(slots->slot));
 		slots->pool = (unsigned long)pool;
 		rwlock_init(&slots->lock);
 	}