netdev - [PATCH net-next-2.6] xps: NUMA allocations for per cpu data

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Date:	Sun, 28 Nov 2010 16:43:24 +0100
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	David Miller <davem@...emloft.net>
Cc:	netdev@...r.kernel.org, Tom Herbert <therbert@...gle.com>
Subject: [PATCH net-next-2.6] xps: NUMA allocations for per cpu data

store_xps_map() allocates maps that are used by single cpu, it makes
sense to use NUMA allocations.

Signed-off-by: Eric Dumazet <eric.dumazet@...il.com>
Cc: Tom Herbert <therbert@...gle.com>
---
 net/core/net-sysfs.c |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
index 68dbbfd..35f28b1 100644
--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c
@@ -950,8 +950,9 @@ static ssize_t store_xps_map(struct netdev_queue *queue,
 			if (map_len >= alloc_len) {
 				alloc_len = alloc_len ?
 				    2 * alloc_len : XPS_MIN_MAP_ALLOC;
-				new_map = kzalloc(XPS_MAP_SIZE(alloc_len),
-				    GFP_KERNEL);
+				new_map = kzalloc_node(XPS_MAP_SIZE(alloc_len),
+						       GFP_KERNEL,
+						       cpu_to_node(cpu));
 				if (!new_map)
 					goto error;
 				new_map->alloc_len = alloc_len;


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