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>
diff --git a/mm/slob.c b/mm/slob.c
index d63923d..0111e0d 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 @@
c->align = align;
kmemleak_alloc(c, sizeof(struct kmem_cache), 1, GFP_KERNEL);
+ c->refcount = 1;
}
return c;
}
@@ -616,19 +619,12 @@
}
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;
}