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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <1290959004.29196.13.camel@edumazet-laptop>
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;


--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html