On Mon, 5 Mar 2012, Rafael Aquini wrote:
> diff --git a/mm/slab.c b/mm/slab.c
> index f0bd785..4aeb5e7 100644
> --- a/mm/slab.c
> +++ b/mm/slab.c
> @@ -1731,6 +1731,52 @@ static int __init cpucache_init(void)
> }
> __initcall(cpucache_init);
>
> +static noinline void
> +slab_out_of_memory(struct kmem_cache *cachep, gfp_t gfpflags, int nodeid)
> +{
> + struct kmem_list3 *l3;
> + struct slab *slabp;
> + unsigned long flags;
> + int node;
> +
> + printk(KERN_WARNING
> + "SLAB: Unable to allocate memory on node %d (gfp=0x%x)\n",
> + nodeid, gfpflags);
> + printk(KERN_WARNING " cache: %s, object size: %d, order: %d\n",
> + cachep->name, cachep->buffer_size, cachep->gfporder);
> +
> + for_each_online_node(node) {
> + unsigned long active_objs = 0, num_objs = 0, free_objects = 0;
> + unsigned long active_slabs = 0, num_slabs = 0;
> +
> + l3 = cachep->nodelists[node];
> + if (!l3)
> + continue;
> +
> + spin_lock_irqsave(&l3->list_lock, flags);
Could be spin_lock_irq(&l3->list_lock);
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