diff options
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/slab.c | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/mm/slab.c b/mm/slab.c index 01262d26e19..cceb347a354 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -1186,8 +1186,10 @@ static int __cpuinit cpuup_callback(struct notifier_block *nfb, int memsize = sizeof(struct kmem_list3); switch (action) { - case CPU_UP_PREPARE: + case CPU_LOCK_ACQUIRE: mutex_lock(&cache_chain_mutex); + break; + case CPU_UP_PREPARE: /* * We need to do this right in the beginning since * alloc_arraycache's are going to use this list. @@ -1274,16 +1276,9 @@ static int __cpuinit cpuup_callback(struct notifier_block *nfb, } break; case CPU_ONLINE: - mutex_unlock(&cache_chain_mutex); start_cpu_timer(cpu); break; #ifdef CONFIG_HOTPLUG_CPU - case CPU_DOWN_PREPARE: - mutex_lock(&cache_chain_mutex); - break; - case CPU_DOWN_FAILED: - mutex_unlock(&cache_chain_mutex); - break; case CPU_DEAD: /* * Even if all the cpus of a node are down, we don't free the @@ -1354,6 +1349,8 @@ free_array_cache: continue; drain_freelist(cachep, l3, l3->free_objects); } + break; + case CPU_LOCK_RELEASE: mutex_unlock(&cache_chain_mutex); break; } |