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 26a4d0540121cf1b7599bb91cb27c8a52329398b..8b746f1a937c1d89e617cea8f4d6d45805c959ea 100644 (file)
--- 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;