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, 4 deletions

diff --git a/include/linux/i2o.h b/include/linux/i2o.h
index 333a370a3bdc..9752307d16ba 100644
--- a/include/linux/i2o.h
+++ b/include/linux/i2o.h
@@ -946,8 +946,7 @@ static inline int i2o_pool_alloc(struct i2o_pool *pool, const char *name,
         strcpy(pool->name, name);
 
         pool->slab =
-            kmem_cache_create(pool->name, size, 0, SLAB_HWCACHE_ALIGN, NULL,
-                              NULL);
+            kmem_cache_create(pool->name, size, 0, SLAB_HWCACHE_ALIGN, NULL);
         if (!pool->slab)
                 goto free_name;
 
diff --git a/include/linux/slab.h b/include/linux/slab.h
index 0e1d0daef6a2..7d0ecc1659f0 100644
--- a/include/linux/slab.h
+++ b/include/linux/slab.h
@@ -51,7 +51,6 @@ int slab_is_available(void);
 
 struct kmem_cache *kmem_cache_create(const char *, size_t, size_t,
                         unsigned long,
-                        void (*)(void *, struct kmem_cache *, unsigned long),
                         void (*)(void *, struct kmem_cache *, unsigned long));
 void kmem_cache_destroy(struct kmem_cache *);
 int kmem_cache_shrink(struct kmem_cache *);
@@ -70,7 +69,7 @@ int kmem_ptr_validate(struct kmem_cache *cachep, const void *ptr);
  */
 #define KMEM_CACHE(__struct, __flags) kmem_cache_create(#__struct,\
                 sizeof(struct __struct), __alignof__(struct __struct),\
-                (__flags), NULL, NULL)
+                (__flags), NULL)
 
 /*
  * The largest kmalloc size supported by the slab allocators is