mm, sl[au]b: create common functions for boot slab creation

Use a special function to create kmalloc caches and use that function in
SLAB and SLUB.

Acked-by: Joonsoo Kim <js1304@gmail.com>
Reviewed-by: Glauber Costa <glommer@parallels.com>
Acked-by: David Rientjes <rientjes@google.com>
Signed-off-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Pekka Enberg <penberg@kernel.org>

1 files changed, 5 insertions, 0 deletions

diff --git a/mm/slab.h b/mm/slab.h
index 66a62d3536c6..492eafa0b538 100644
--- a/mm/slab.h
+++ b/mm/slab.h
@@ -35,6 +35,11 @@ extern struct kmem_cache *kmem_cache;
 /* Functions provided by the slab allocators */
 extern int __kmem_cache_create(struct kmem_cache *, unsigned long flags);
 
+extern struct kmem_cache *create_kmalloc_cache(const char *name, size_t size,
+                        unsigned long flags);
+extern void create_boot_cache(struct kmem_cache *, const char *name,
+                        size_t size, unsigned long flags);
+
 #ifdef CONFIG_SLUB
 struct kmem_cache *__kmem_cache_alias(const char *name, size_t size,
         size_t align, unsigned long flags, void (*ctor)(void *));