slab: convert cpu notifier to return encapsulate errno value

[pandora-kernel.git] / mm / slab.c

diff --git a/mm/slab.c b/mm/slab.c
index 50a73fc..6437d89 100644 (file)
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -1321,7 +1321,7 @@ static int __cpuinit cpuup_callback(struct notifier_block *nfb,
                mutex_unlock(&cache_chain_mutex);
                break;
        }
-       return err ? NOTIFY_BAD : NOTIFY_OK;
+       return notifier_from_errno(err);
 }
 
 static struct notifier_block __cpuinitdata cpucache_notifier = {
@@ -3217,10 +3217,12 @@ static void *alternate_node_alloc(struct kmem_cache *cachep, gfp_t flags)
        if (in_interrupt() || (flags & __GFP_THISNODE))
                return NULL;
        nid_alloc = nid_here = numa_node_id();
+       get_mems_allowed();
        if (cpuset_do_slab_mem_spread() && (cachep->flags & SLAB_MEM_SPREAD))
-               nid_alloc = cpuset_mem_spread_node();
+               nid_alloc = cpuset_slab_spread_node();
        else if (current->mempolicy)
                nid_alloc = slab_node(current->mempolicy);
+       put_mems_allowed();
        if (nid_alloc != nid_here)
                return ____cache_alloc_node(cachep, flags, nid_alloc);
        return NULL;
@@ -3247,6 +3249,7 @@ static void *fallback_alloc(struct kmem_cache *cache, gfp_t flags)
        if (flags & __GFP_THISNODE)
                return NULL;
 
+       get_mems_allowed();
        zonelist = node_zonelist(slab_node(current->mempolicy), flags);
        local_flags = flags & (GFP_CONSTRAINT_MASK|GFP_RECLAIM_MASK);
 
@@ -3302,6 +3305,7 @@ retry:
                        }
                }
        }
+       put_mems_allowed();
        return obj;
 }