From 0c40ba4fd64f98e7a5cba8ffaedbd68642a85700 Mon Sep 17 00:00:00 2001 From: Nadia Derbey Date: Tue, 29 Apr 2008 01:00:41 -0700 Subject: [PATCH] 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 Cc: Yasunori Goto Cc: Matt Helsley Cc: Mingming Cao Cc: Pierre Peiffer Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- include/linux/memory.h | 6 ++++++ mm/slub.c | 2 +- 2 files changed, 7 insertions(+), 1 deletion(-) 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 */