xfrm: use vmalloc_node() for percpu scratches

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

Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>

diff --git a/net/xfrm/xfrm_ipcomp.c b/net/xfrm/xfrm_ipcomp.c
index 2906d52..b943c7f 100644 (file)
--- 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;