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>
diff --git a/fs/jffs2/malloc.c b/fs/jffs2/malloc.c
index 35c1a5e..f921125 100644
--- a/fs/jffs2/malloc.c
+++ b/fs/jffs2/malloc.c
@@ -33,56 +33,56 @@
 {
 	full_dnode_slab = kmem_cache_create("jffs2_full_dnode",
 					    sizeof(struct jffs2_full_dnode),
-					    0, 0, NULL, NULL);
+					    0, 0, NULL);
 	if (!full_dnode_slab)
 		goto err;
 
 	raw_dirent_slab = kmem_cache_create("jffs2_raw_dirent",
 					    sizeof(struct jffs2_raw_dirent),
-					    0, 0, NULL, NULL);
+					    0, 0, NULL);
 	if (!raw_dirent_slab)
 		goto err;
 
 	raw_inode_slab = kmem_cache_create("jffs2_raw_inode",
 					   sizeof(struct jffs2_raw_inode),
-					   0, 0, NULL, NULL);
+					   0, 0, NULL);
 	if (!raw_inode_slab)
 		goto err;
 
 	tmp_dnode_info_slab = kmem_cache_create("jffs2_tmp_dnode",
 						sizeof(struct jffs2_tmp_dnode_info),
-						0, 0, NULL, NULL);
+						0, 0, NULL);
 	if (!tmp_dnode_info_slab)
 		goto err;
 
 	raw_node_ref_slab = kmem_cache_create("jffs2_refblock",
 					      sizeof(struct jffs2_raw_node_ref) * (REFS_PER_BLOCK + 1),
-					      0, 0, NULL, NULL);
+					      0, 0, NULL);
 	if (!raw_node_ref_slab)
 		goto err;
 
 	node_frag_slab = kmem_cache_create("jffs2_node_frag",
 					   sizeof(struct jffs2_node_frag),
-					   0, 0, NULL, NULL);
+					   0, 0, NULL);
 	if (!node_frag_slab)
 		goto err;
 
 	inode_cache_slab = kmem_cache_create("jffs2_inode_cache",
 					     sizeof(struct jffs2_inode_cache),
-					     0, 0, NULL, NULL);
+					     0, 0, NULL);
 	if (!inode_cache_slab)
 		goto err;
 
 #ifdef CONFIG_JFFS2_FS_XATTR
 	xattr_datum_cache = kmem_cache_create("jffs2_xattr_datum",
 					     sizeof(struct jffs2_xattr_datum),
-					     0, 0, NULL, NULL);
+					     0, 0, NULL);
 	if (!xattr_datum_cache)
 		goto err;
 
 	xattr_ref_cache = kmem_cache_create("jffs2_xattr_ref",
 					   sizeof(struct jffs2_xattr_ref),
-					   0, 0, NULL, NULL);
+					   0, 0, NULL);
 	if (!xattr_ref_cache)
 		goto err;
 #endif