netdev - [PATCH ipsec-next] xfrm: use vmalloc

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Message-ID: <1382093656.3284.14.camel@edumazet-glaptop.roam.corp.google.com>
Date:	Fri, 18 Oct 2013 03:54:16 -0700
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Steffen Klassert <steffen.klassert@...unet.com>
Cc:	Herbert Xu <herbert@...dor.apana.org.au>,
	"David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org
Subject: [PATCH ipsec-next] xfrm: use vmalloc_node() for percpu scratches

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

scratches are per cpu, we can use vmalloc_node() for proper
NUMA affinity.

Signed-off-by: Eric Dumazet <edumazet@...gle.com>
---
 net/xfrm/xfrm_ipcomp.c |    6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/net/xfrm/xfrm_ipcomp.c b/net/xfrm/xfrm_ipcomp.c
index 2906d52..b943c7f 100644
--- a/net/xfrm/xfrm_ipcomp.c
+++ b/net/xfrm/xfrm_ipcomp.c
@@ -220,8 +220,8 @@ static void ipcomp_free_scratches(void)
 
 static void * __percpu *ipcomp_alloc_scratches(void)
 {
-	int i;
 	void * __percpu *scratches;
+	int i;
 
 	if (ipcomp_scratch_users++)
 		return ipcomp_scratches;
@@ -233,7 +233,9 @@ static void * __percpu *ipcomp_alloc_scratches(void)
 	ipcomp_scratches = scratches;
 
 	for_each_possible_cpu(i) {
-		void *scratch = vmalloc(IPCOMP_SCRATCH_SIZE);
+		void *scratch;
+
+		scratch = vmalloc_node(IPCOMP_SCRATCH_SIZE, cpu_to_node(i));
 		if (!scratch)
 			return NULL;
 		*per_cpu_ptr(scratches, i) = scratch;


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