Re: [PATCH] oom: add sysctl to enable slab memory dump

[Christoph Lameter]

On Wed, 22 Feb 2012, Rafael Aquini wrote:

> --- a/mm/slub.c
> +++ b/mm/slub.c
> +void oom_dump_slabs(int ratio)
> +{

> +
> +		for_each_online_node(node) {
> +			struct kmem_cache_node *n = get_node(cachep, node);
> +			if (!n)
> +				continue;
> +
> +			nr_objs += atomic_long_read(&n->total_objects);

Please use node_nr_objects() instead of directly accessing total_objects.
total_objects are only available if debugging support was compiled in.

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