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>

1 files changed, 9 insertions, 9 deletions

diff --git a/kernel/fork.c b/kernel/fork.c
index 469838998220..7332e236d367 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -137,7 +137,7 @@ void __init fork_init(unsigned long mempages)
         /* create a slab on which task_structs can be allocated */
         task_struct_cachep =
                 kmem_cache_create("task_struct", sizeof(struct task_struct),
-                        ARCH_MIN_TASKALIGN, SLAB_PANIC, NULL, NULL);
+                        ARCH_MIN_TASKALIGN, SLAB_PANIC, NULL);
 #endif
 
         /*
@@ -1446,22 +1446,22 @@ void __init proc_caches_init(void)
         sighand_cachep = kmem_cache_create("sighand_cache",
                         sizeof(struct sighand_struct), 0,
                         SLAB_HWCACHE_ALIGN|SLAB_PANIC|SLAB_DESTROY_BY_RCU,
-                        sighand_ctor, NULL);
+                        sighand_ctor);
         signal_cachep = kmem_cache_create("signal_cache",
                         sizeof(struct signal_struct), 0,
-                        SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL, NULL);
-        files_cachep = kmem_cache_create("files_cache", 
+                        SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL);
+        files_cachep = kmem_cache_create("files_cache",
                         sizeof(struct files_struct), 0,
-                        SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL, NULL);
-        fs_cachep = kmem_cache_create("fs_cache", 
+                        SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL);
+        fs_cachep = kmem_cache_create("fs_cache",
                         sizeof(struct fs_struct), 0,
-                        SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL, NULL);
+                        SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL);
         vm_area_cachep = kmem_cache_create("vm_area_struct",
                         sizeof(struct vm_area_struct), 0,
-                        SLAB_PANIC, NULL, NULL);
+                        SLAB_PANIC, NULL);
         mm_cachep = kmem_cache_create("mm_struct",
                         sizeof(struct mm_struct), ARCH_MIN_MMSTRUCT_ALIGN,
-                        SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL, NULL);
+                        SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL);
 }
 
 /*