mm/zsmalloc.c: convert to use kmem_cache_zalloc in cache_alloc_zspage()
[ 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>
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Greg Kroah-Hartman
parent
298dc8b80a
commit
f0fc50366d
@@ -357,7 +357,7 @@ static void cache_free_handle(struct zs_pool *pool, unsigned long handle)
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static struct zspage *cache_alloc_zspage(struct zs_pool *pool, gfp_t flags)
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{
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return kmem_cache_alloc(pool->zspage_cachep,
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return kmem_cache_zalloc(pool->zspage_cachep,
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flags & ~(__GFP_HIGHMEM|__GFP_MOVABLE));
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}
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@@ -1067,7 +1067,6 @@ static struct zspage *alloc_zspage(struct zs_pool *pool,
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if (!zspage)
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return NULL;
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memset(zspage, 0, sizeof(struct zspage));
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zspage->magic = ZSPAGE_MAGIC;
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migrate_lock_init(zspage);
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