zswap is allocating acomp on one different cpu with those cpus which will
eventually committing acomp_req. this patch specifies the numa node to
help compression/decompression done by local (de)compressors hardware.
Cc: Seth Jennings <redacted>
Cc: Dan Streetman <redacted>
Cc: Vitaly Wool <redacted>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: David S. Miller" <davem@davemloft.net>
Signed-off-by: Barry Song <redacted>
---
-v2: patch is rebased againest "[PATCH] mm/zswap: careful error path
implementation in comp_prepare" [1]
[1] https://lkml.org/lkml/2020/6/22/347
mm/zswap.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/zswap.c b/mm/zswap.c
index c0a85ef46610..98db09524af6 100644
--- a/mm/zswap.c
+++ b/mm/zswap.c
@@ -438,7 +438,7 @@ static int zswap_cpu_comp_prepare(unsigned int cpu, struct hlist_node *node)
pr_err("Could not allocate 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(acomp)) {
pr_err("could not alloc crypto acomp %s : %ld\n",
pool->tfm_name, PTR_ERR(acomp));--
2.27.0