From: Bang Nguyen <bang.nguyen@oracle.com>
Date: Mon, 17 Jun 2013 19:13:25 +0000 (-0700)
Subject: RDS: reduce slab memory usage
X-Git-Tag: v4.1.12-92~293^2^2~61
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=c2aaa1764219df13c01c93682f6d8c69c064e6a5;p=users%2Fjedix%2Flinux-maple.git

RDS: reduce slab memory usage

Both rds_ib_incoming and rds_ib_frag slab objects are incorrectly
aligned, causing significant increase in slab memory usage by RDS.

Orabug: 16935507

Signed-off-by: Richard Frank <richard.frank@oracle.com>
(cherry picked from commit a7cf83092e6ad5c2d842c34b17436d4aafd00b54)
---

diff --git a/net/rds/ib_recv.c b/net/rds/ib_recv.c
index 26a4d0540121..8b746f1a937c 100644
--- a/net/rds/ib_recv.c
+++ b/net/rds/ib_recv.c
@@ -1438,13 +1438,13 @@ int rds_ib_recv_init(void)
 
 	rds_ib_incoming_slab = kmem_cache_create("rds_ib_incoming",
 					sizeof(struct rds_ib_incoming),
-					SLAB_HWCACHE_ALIGN, 0, NULL);
+					0, SLAB_HWCACHE_ALIGN, NULL);
 	if (!rds_ib_incoming_slab)
 		return -ENOMEM;
 
 	rds_ib_frag_slab = kmem_cache_create("rds_ib_frag",
 					sizeof(struct rds_page_frag),
-					SLAB_HWCACHE_ALIGN, 0, NULL);
+					0, SLAB_HWCACHE_ALIGN, NULL);
 	if (!rds_ib_frag_slab) {
 		kmem_cache_destroy(rds_ib_incoming_slab);
 		rds_ib_incoming_slab = NULL;