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

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[ Upstream commit f0231305acd53375c6cf736971bf5711105dd6bb ]

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>
Stable-dep-of: 694d6b99923e ("mm/zsmalloc: do not pass __GFP_MOVABLE if CONFIG_COMPACTION=n")
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Miaohe Lin 2025-07-29 11:13:25 -04:00 • committed by Greg Kroah-Hartman
commit a773caa6b4
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));
}
@ -1067,7 +1067,6 @@ 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);