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, 4 insertions, 4 deletions

diff --git a/block/bsg.c b/block/bsg.c
index baa04e7adf1..f2992e72b84 100644
--- a/block/bsg.c
+++ b/block/bsg.c
@@ -1043,7 +1043,7 @@ static int __init bsg_init(void)
         dev_t devid;
 
         bsg_cmd_cachep = kmem_cache_create("bsg_cmd",
-                                sizeof(struct bsg_command), 0, 0, NULL, NULL);
+                                sizeof(struct bsg_command), 0, 0, NULL);
         if (!bsg_cmd_cachep) {
                 printk(KERN_ERR "bsg: failed creating slab cache\n");
                 return -ENOMEM;
diff --git a/block/ll_rw_blk.c b/block/ll_rw_blk.c
index d7cadf30416..66056ca5e63 100644
--- a/block/ll_rw_blk.c
+++ b/block/ll_rw_blk.c
@@ -3698,13 +3698,13 @@ int __init blk_dev_init(void)
                 panic("Failed to create kblockd\n");
 
         request_cachep = kmem_cache_create("blkdev_requests",
-                        sizeof(struct request), 0, SLAB_PANIC, NULL, NULL);
+                        sizeof(struct request), 0, SLAB_PANIC, NULL);
 
         requestq_cachep = kmem_cache_create("blkdev_queue",
-                        sizeof(request_queue_t), 0, SLAB_PANIC, NULL, NULL);
+                        sizeof(request_queue_t), 0, SLAB_PANIC, NULL);
 
         iocontext_cachep = kmem_cache_create("blkdev_ioc",
-                        sizeof(struct io_context), 0, SLAB_PANIC, NULL, NULL);
+                        sizeof(struct io_context), 0, SLAB_PANIC, NULL);
 
         for_each_possible_cpu(i)
                 INIT_LIST_HEAD(&per_cpu(blk_cpu_done, i));