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>

4 files changed, 7 insertions, 7 deletions

diff --git a/net/core/flow.c b/net/core/flow.c
index 051430545a05..0ab5234b17d8 100644
--- a/net/core/flow.c
+++ b/net/core/flow.c
@@ -350,7 +350,7 @@ static int __init flow_cache_init(void)
         flow_cachep = kmem_cache_create("flow_cache",
                                         sizeof(struct flow_cache_entry),
                                         0, SLAB_HWCACHE_ALIGN|SLAB_PANIC,
-                                        NULL, NULL);
+                                        NULL);
         flow_hash_shift = 10;
         flow_lwm = 2 * flow_hash_size;
         flow_hwm = 4 * flow_hash_size;
diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index 9df26a07f067..ca2a1533138a 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -1347,7 +1347,7 @@ void neigh_table_init_no_netlink(struct neigh_table *tbl)
                 tbl->kmem_cachep =
                         kmem_cache_create(tbl->id, tbl->entry_size, 0,
                                           SLAB_HWCACHE_ALIGN|SLAB_PANIC,
-                                          NULL, NULL);
+                                          NULL);
         tbl->stats = alloc_percpu(struct neigh_statistics);
         if (!tbl->stats)
                 panic("cannot create neighbour cache statistics");
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 0583e8498f13..35021eb3ed07 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -2021,13 +2021,13 @@ void __init skb_init(void)
                                               sizeof(struct sk_buff),
                                               0,
                                               SLAB_HWCACHE_ALIGN|SLAB_PANIC,
-                                              NULL, NULL);
+                                              NULL);
         skbuff_fclone_cache = kmem_cache_create("skbuff_fclone_cache",
                                                 (2*sizeof(struct sk_buff)) +
                                                 sizeof(atomic_t),
                                                 0,
                                                 SLAB_HWCACHE_ALIGN|SLAB_PANIC,
-                                                NULL, NULL);
+                                                NULL);
 }
 
 /**
diff --git a/net/core/sock.c b/net/core/sock.c
index 239a08a6ff24..bd209c4477a9 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -1767,7 +1767,7 @@ int proto_register(struct proto *prot, int alloc_slab)
 
         if (alloc_slab) {
                 prot->slab = kmem_cache_create(prot->name, prot->obj_size, 0,
-                                               SLAB_HWCACHE_ALIGN, NULL, NULL);
+                                               SLAB_HWCACHE_ALIGN, NULL);
 
                 if (prot->slab == NULL) {
                         printk(KERN_CRIT "%s: Can't create sock SLAB cache!\n",
@@ -1785,7 +1785,7 @@ int proto_register(struct proto *prot, int alloc_slab)
                         sprintf(request_sock_slab_name, mask, prot->name);
                         prot->rsk_prot->slab = kmem_cache_create(request_sock_slab_name,
                                                                  prot->rsk_prot->obj_size, 0,
-                                                                 SLAB_HWCACHE_ALIGN, NULL, NULL);
+                                                                 SLAB_HWCACHE_ALIGN, NULL);
 
                         if (prot->rsk_prot->slab == NULL) {
                                 printk(KERN_CRIT "%s: Can't create request sock SLAB cache!\n",
@@ -1807,7 +1807,7 @@ int proto_register(struct proto *prot, int alloc_slab)
                                 kmem_cache_create(timewait_sock_slab_name,
                                                   prot->twsk_prot->twsk_obj_size,
                                                   0, SLAB_HWCACHE_ALIGN,
-                                                  NULL, NULL);
+                                                  NULL);
                         if (prot->twsk_prot->twsk_slab == NULL)
                                 goto out_free_timewait_sock_slab_name;
                 }