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authorChristoph Lameter <cl@linux.com>2012-07-06 15:25:11 -0500
committerPekka Enberg <penberg@kernel.org>2012-07-09 12:13:35 +0300
commit97d06609158e61f6bdf538c4a6788e2de492236f (patch)
treefa3f57ff3e2d3f4f866d84dd9d634ade43941be8 /mm/slob.c
parent039363f38bfe5f6281e9eae5e0518b11577d9d50 (diff)
downloadlinux-97d06609158e61f6bdf538c4a6788e2de492236f.tar.bz2
mm, sl[aou]b: Common definition for boot state of the slab allocators
All allocators have some sort of support for the bootstrap status. Setup a common definition for the boot states and make all slab allocators use that definition. Reviewed-by: Glauber Costa <glommer@parallels.com> Reviewed-by: Joonsoo Kim <js1304@gmail.com> Signed-off-by: Christoph Lameter <cl@linux.com> Signed-off-by: Pekka Enberg <penberg@kernel.org>
Diffstat (limited to 'mm/slob.c')
-rw-r--r--mm/slob.c14
1 files changed, 5 insertions, 9 deletions
diff --git a/mm/slob.c b/mm/slob.c
index d63923d549ec..0111e0dece93 100644
--- a/mm/slob.c
+++ b/mm/slob.c
@@ -59,6 +59,8 @@
#include <linux/kernel.h>
#include <linux/slab.h>
+#include "slab.h"
+
#include <linux/mm.h>
#include <linux/swap.h> /* struct reclaim_state */
#include <linux/cache.h>
@@ -531,6 +533,7 @@ struct kmem_cache *__kmem_cache_create(const char *name, size_t size,
c->align = align;
kmemleak_alloc(c, sizeof(struct kmem_cache), 1, GFP_KERNEL);
+ c->refcount = 1;
}
return c;
}
@@ -616,19 +619,12 @@ int kmem_cache_shrink(struct kmem_cache *d)
}
EXPORT_SYMBOL(kmem_cache_shrink);
-static unsigned int slob_ready __read_mostly;
-
-int slab_is_available(void)
-{
- return slob_ready;
-}
-
void __init kmem_cache_init(void)
{
- slob_ready = 1;
+ slab_state = UP;
}
void __init kmem_cache_init_late(void)
{
- /* Nothing to do */
+ slab_state = FULL;
}