Re: [PATCH -mm 1/8] memcg: cleanup memcg_cache_params refcnt usage

[Christoph Lameter]

On Fri, 30 May 2014, Vladimir Davydov wrote:

> Currently, we count the number of pages allocated to a per memcg cache
> in memcg_cache_params->nr_pages. We only use this counter to find out if
> the cache is empty and can be destroyed. So let's rename it to refcnt
> and make it count not pages, but slabs so that we can use atomic_inc/dec
> instead of atomic_add/sub in memcg_charge/uncharge_slab.

Acked-by: Christoph Lameter <cl@xxxxxxxxx>
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