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| author | Nadia Derbey <Nadia.Derbey@bull.net> | 2008-04-29 01:00:41 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-04-29 08:06:12 -0700 |
| commit | 0c40ba4fd64f98e7a5cba8ffaedbd68642a85700 (patch) | |
| tree | 8aba0ac7b89f436d73c1cf74058315aee8b6025f | |
| parent | 4d89dc6ab2711258bfd12c72d753f3ad56b244e2 (diff) | |
| download | lwn-0c40ba4fd64f98e7a5cba8ffaedbd68642a85700.tar.gz lwn-0c40ba4fd64f98e7a5cba8ffaedbd68642a85700.zip | |
ipc: define the slab_memory_callback priority as a constant
This is a trivial patch that defines the priority of slab_memory_callback in
the callback chain as a constant. This is to prepare for next patch in the
series.
Signed-off-by: Nadia Derbey <Nadia.Derbey@bull.net>
Cc: Yasunori Goto <y-goto@jp.fujitsu.com>
Cc: Matt Helsley <matthltc@us.ibm.com>
Cc: Mingming Cao <cmm@us.ibm.com>
Cc: Pierre Peiffer <pierre.peiffer@bull.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | include/linux/memory.h | 6 | ||||
| -rw-r--r-- | mm/slub.c | 2 |
2 files changed, 7 insertions, 1 deletions
diff --git a/include/linux/memory.h b/include/linux/memory.h index f80e0e331cb7..39628dfe4a4c 100644 --- a/include/linux/memory.h +++ b/include/linux/memory.h @@ -53,6 +53,12 @@ struct memory_notify { struct notifier_block; struct mem_section; +/* + * Priorities for the hotplug memory callback routines (stored in decreasing + * order in the callback chain) + */ +#define SLAB_CALLBACK_PRI 1 + #ifndef CONFIG_MEMORY_HOTPLUG_SPARSE static inline int memory_dev_init(void) { diff --git a/mm/slub.c b/mm/slub.c index 992ecd4f0d39..b145e798bf3d 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -2978,7 +2978,7 @@ void __init kmem_cache_init(void) kmalloc_caches[0].refcount = -1; caches++; - hotplug_memory_notifier(slab_memory_callback, 1); + hotplug_memory_notifier(slab_memory_callback, SLAB_CALLBACK_PRI); #endif /* Able to allocate the per node structures */ |