[PATCH 3/3] mm/zswap: specify the NUMA node of acomp to use local compressors

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zswap_cpu_comp_prepare() is called on a different CPU with the CPU which
will really send acomp_req. In order to use the right local compressors,
this patch specifies the NUMA node to which the CPU sending acomp_req
belongs.

Cc: Seth Jennings <sjenning@xxxxxxxxxx>
Cc: Dan Streetman <ddstreet@xxxxxxxx>
Cc: Vitaly Wool <vitaly.wool@xxxxxxxxxxxx>
Cc: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Cc: David S. Miller" <davem@xxxxxxxxxxxxx>
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Barry Song <song.bao.hua@xxxxxxxxxxxxx>
---
 mm/zswap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/zswap.c b/mm/zswap.c
index 0d914ba6b4a0..9b1aa477022e 100644
--- a/mm/zswap.c
+++ b/mm/zswap.c
@@ -437,7 +437,7 @@ static int zswap_cpu_comp_prepare(unsigned int cpu, struct hlist_node *node)
 		pr_err("Could not initialize acomp_ctx\n");
 		return -ENOMEM;
 	}
-	acomp = crypto_alloc_acomp(pool->tfm_name, 0, 0);
+	acomp = crypto_alloc_acomp_node(pool->tfm_name, 0, 0, cpu_to_node(cpu));
 	if (IS_ERR_OR_NULL(acomp)) {
 		pr_err("could not alloc crypto acomp %s : %ld\n",
 				pool->tfm_name, PTR_ERR(acomp));
-- 
2.27.0





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