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mm/zsmalloc.c: convert to use kmem_cache_zalloc in cache_alloc_zspage() 

We always memset the zspage allocated via cache_alloc_zspage.  So it's
more convenient to use kmem_cache_zalloc in cache_alloc_zspage than caller
do it manually.

Link: https://lkml.kernel.org/r/20210114120032.25885-1-linmiaohe@huawei.com
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Cc: Minchan Kim <minchan@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
master
Miaohe Lin 2021-02-25 17:18:27 -08:00 committed by Linus Torvalds
parent e818e820c6
commit f0231305ac
1 changed files with 1 additions and 2 deletions
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3
mm/zsmalloc.c
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@ -357,7 +357,7 @@ static void cache_free_handle(struct zs_pool *pool, unsigned long handle)
static struct zspage *cache_alloc_zspage(struct zs_pool *pool, gfp_t flags)
{
return kmem_cache_alloc(pool->zspage_cachep,
return kmem_cache_zalloc(pool->zspage_cachep,
flags & ~(__GFP_HIGHMEM|__GFP_MOVABLE));
}
@ -1064,7 +1064,6 @@ static struct zspage *alloc_zspage(struct zs_pool *pool,
if (!zspage)
return NULL;
memset(zspage, 0, sizeof(struct zspage));
zspage->magic = ZSPAGE_MAGIC;
migrate_lock_init(zspage);