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| author | Christoph Lameter <cl@linux.com> | 2012-07-06 15:25:11 -0500 |
|---|---|---|
| committer | Pekka Enberg <penberg@kernel.org> | 2012-07-09 12:13:35 +0300 |
| commit | 97d06609158e61f6bdf538c4a6788e2de492236f (patch) | |
| tree | fa3f57ff3e2d3f4f866d84dd9d634ade43941be8 /mm/slab_common.c | |
| parent | 039363f38bfe5f6281e9eae5e0518b11577d9d50 (diff) | |
| download | lwn-97d06609158e61f6bdf538c4a6788e2de492236f.tar.gz lwn-97d06609158e61f6bdf538c4a6788e2de492236f.zip | |
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/slab_common.c')
| -rw-r--r-- | mm/slab_common.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/mm/slab_common.c b/mm/slab_common.c index 80412beb67cc..ca1aaf69a1f5 100644 --- a/mm/slab_common.c +++ b/mm/slab_common.c @@ -16,6 +16,10 @@ #include <asm/tlbflush.h> #include <asm/page.h> +#include "slab.h" + +enum slab_state slab_state; + /* * kmem_cache_create - Create a cache. * @name: A string which is used in /proc/slabinfo to identify this cache. @@ -66,3 +70,8 @@ out: return s; } EXPORT_SYMBOL(kmem_cache_create); + +int slab_is_available(void) +{ + return slab_state >= UP; +} |