netdev - [PATCH net-next] ipv6: add NUMA awareness to seg6_hmac_init

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Message-ID: <1484928536.16328.127.camel@edumazet-glaptop3.roam.corp.google.com>
Date:   Fri, 20 Jan 2017 08:08:56 -0800
From:   Eric Dumazet <eric.dumazet@...il.com>
To:     David Miller <davem@...emloft.net>
Cc:     netdev <netdev@...r.kernel.org>,
        David Lebrun <david.lebrun@...ouvain.be>
Subject: [PATCH net-next] ipv6: add NUMA awareness to seg6_hmac_init_algo()

From: Eric Dumazet <edumazet@...gle.com>

Since we allocate per cpu storage, let's also use NUMA hints.

Signed-off-by: Eric Dumazet <edumazet@...gle.com>
---
 net/ipv6/seg6_hmac.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/net/ipv6/seg6_hmac.c b/net/ipv6/seg6_hmac.c
index 5215e1eba01030dc9345b847eee5ac5ef3bed1b9..b274f1d95e037c93e8e0e6531cfc51709f71297c 100644
--- a/net/ipv6/seg6_hmac.c
+++ b/net/ipv6/seg6_hmac.c
@@ -389,7 +389,8 @@ static int seg6_hmac_init_algo(void)
 			return -ENOMEM;
 
 		for_each_possible_cpu(cpu) {
-			shash = kzalloc(shsize, GFP_KERNEL);
+			shash = kzalloc_node(shsize, GFP_KERNEL,
+					     cpu_to_node(cpu));
 			if (!shash)
 				return -ENOMEM;
 			*per_cpu_ptr(algo->shashs, cpu) = shash;