mm: Remove slab destructors from kmem_cache_create().

Slab destructors were no longer supported after Christoph's
c59def9f222d44bb7e2f0a559f2906191a0862d7 change. They've been
BUGs for both slab and slub, and slob never supported them
either.

This rips out support for the dtor pointer from kmem_cache_create()
completely and fixes up every single callsite in the kernel (there were
about 224, not including the slab allocator definitions themselves,
or the documentation references).

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

3 files changed, 3 insertions, 3 deletions

diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
index 662a7d9681fd..6a612a701eaa 100644
--- a/net/ipv6/ip6_fib.c
+++ b/net/ipv6/ip6_fib.c
@@ -1474,7 +1474,7 @@ void __init fib6_init(void)
         fib6_node_kmem = kmem_cache_create("fib6_nodes",
                                            sizeof(struct fib6_node),
                                            0, SLAB_HWCACHE_ALIGN|SLAB_PANIC,
-                                           NULL, NULL);
+                                           NULL);
 
         fib6_tables_init();
 
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index fe8d9837f9f8..919de682b331 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -2555,7 +2555,7 @@ void __init ip6_route_init(void)
 #endif
         ip6_dst_ops.kmem_cachep =
                 kmem_cache_create("ip6_dst_cache", sizeof(struct rt6_info), 0,
-                                  SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL, NULL);
+                                  SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL);
         ip6_dst_blackhole_ops.kmem_cachep = ip6_dst_ops.kmem_cachep;
 
         fib6_init();
diff --git a/net/ipv6/xfrm6_tunnel.c b/net/ipv6/xfrm6_tunnel.c
index 6f87dd568ded..30f3236c402a 100644
--- a/net/ipv6/xfrm6_tunnel.c
+++ b/net/ipv6/xfrm6_tunnel.c
@@ -84,7 +84,7 @@ static int xfrm6_tunnel_spi_init(void)
         xfrm6_tunnel_spi_kmem = kmem_cache_create("xfrm6_tunnel_spi",
                                                   sizeof(struct xfrm6_tunnel_spi),
                                                   0, SLAB_HWCACHE_ALIGN,
-                                                  NULL, NULL);
+                                                  NULL);
         if (!xfrm6_tunnel_spi_kmem)
                 return -ENOMEM;