[Devel] Re: [PATCH v3 06/16] memcg: infrastructure to match an allocation to the right cache

[Tejun Heo]

Missed some stuff.

On Tue, Sep 18, 2012 at 06:12:00PM +0400, Glauber Costa wrote:
> +static struct kmem_cache *memcg_create_kmem_cache(struct mem_cgroup *memcg,
> +						  struct kmem_cache *cachep)
> +{
...
> +	memcg->slabs[idx] = new_cachep;
...
> +struct kmem_cache *__memcg_kmem_get_cache(struct kmem_cache *cachep,
> +					  gfp_t gfp)
> +{
...
> +	return memcg->slabs[idx];

I think you need memory barriers for the above pair.

Thanks.

-- 
tejun