From c20f5b9633bb0953bd2422f0f1430a2028cdbd0a Mon Sep 17 00:00:00 2001
From: Andy Grover <andy.grover@oracle.com>
Date: Wed, 7 Jul 2010 16:46:26 -0700
Subject: [PATCH] RDS/IB: Use SLAB_HWCACHE_ALIGN flag for kmem_cache_create()
We are *definitely* counting cycles as closely as DaveM, so
ensure hwcache alignment for our recv ring control structs.
Signed-off-by: Andy Grover <andy.grover@oracle.com>
---
net/rds/ib_recv.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/net/rds/ib_recv.c b/net/rds/ib_recv.c
index 9c4208f6b451..37dab2898ad0 100644
--- a/net/rds/ib_recv.c
+++ b/net/rds/ib_recv.c
@@ -1051,13 +1051,13 @@ int __init rds_ib_recv_init(void)
rds_ib_incoming_slab = kmem_cache_create("rds_ib_incoming",
sizeof(struct rds_ib_incoming),
- 0, 0, NULL);
+ 0, SLAB_HWCACHE_ALIGN, NULL);
if (!rds_ib_incoming_slab)
goto out;
rds_ib_frag_slab = kmem_cache_create("rds_ib_frag",
sizeof(struct rds_page_frag),
- 0, 0, NULL);
+ 0, SLAB_HWCACHE_ALIGN, NULL);
if (!rds_ib_frag_slab)
kmem_cache_destroy(rds_ib_incoming_slab);
else
--
GitLab