[PATCH] mm,z3fold: use xx_zalloc instead xx_alloc and memset

[Hui Su]

alloc_slots() allocate memory for slots by kmem_cache_alloc(),
then memset it, we can just use kmem_cache_zalloc() api.

Signed-off-by: Hui Su <sh_...@163.com>
---
 mm/z3fold.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/mm/z3fold.c b/mm/z3fold.c
index 460b0feced26..18feaa0bc537 100644
--- a/mm/z3fold.c
+++ b/mm/z3fold.c
@@ -212,13 +212,12 @@ static inline struct z3fold_buddy_slots 
*alloc_slots(struct z3fold_pool *pool,
 {
        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);
        }
-- 
2.25.1