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>

2 files changed, 2 insertions, 2 deletions

diff --git a/lib/idr.c b/lib/idr.c
index 5ca67b3cfd35..ffd61941e75d 100644
--- a/lib/idr.c
+++ b/lib/idr.c
@@ -590,7 +590,7 @@ static  int init_id_cache(void)
 {
         if (!idr_layer_cache)
                 idr_layer_cache = kmem_cache_create("idr_layer_cache",
-                        sizeof(struct idr_layer), 0, 0, idr_cache_ctor, NULL);
+                        sizeof(struct idr_layer), 0, 0, idr_cache_ctor);
         return 0;
 }
 
diff --git a/lib/radix-tree.c b/lib/radix-tree.c
index 9927cca14cb7..514efb200be6 100644
--- a/lib/radix-tree.c
+++ b/lib/radix-tree.c
@@ -1021,7 +1021,7 @@ void __init radix_tree_init(void)
 {
         radix_tree_node_cachep = kmem_cache_create("radix_tree_node",
                         sizeof(struct radix_tree_node), 0,
-                        SLAB_PANIC, radix_tree_node_ctor, NULL);
+                        SLAB_PANIC, radix_tree_node_ctor);
         radix_tree_init_maxindex();
         hotcpu_notifier(radix_tree_callback, 0);
 }