From: Eric Dumazet <edumazet@google.com>
Date: Wed, 18 Dec 2013 14:46:23 +0000 (-0800)
Subject: rps: NUMA flow limit allocations
X-Git-Tag: upstream/snapshot3+hdmi~3572^2~420
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=5b59d467ad9ff9c014b99f4cfc2ea627b0806d07;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

rps: NUMA flow limit allocations

Given we allocate memory for each cpu, we can do this
using NUMA affinities, instead of using NUMA policies
of the process changing flow_limit_cpu_bitmap value.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/core/sysctl_net_core.c b/net/core/sysctl_net_core.c
index cca4441..cf9cd13 100644
--- a/net/core/sysctl_net_core.c
+++ b/net/core/sysctl_net_core.c
@@ -122,7 +122,8 @@ static int flow_limit_cpu_sysctl(struct ctl_table *table, int write,
 				synchronize_rcu();
 				kfree(cur);
 			} else if (!cur && cpumask_test_cpu(i, mask)) {
-				cur = kzalloc(len, GFP_KERNEL);
+				cur = kzalloc_node(len, GFP_KERNEL,
+						   cpu_to_node(i));
 				if (!cur) {
 					/* not unwinding previous changes */
 					ret = -ENOMEM;