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Date:	Thu, 6 Feb 2014 15:07:07 +0100
From:	Michal Hocko <>
To:	Vladimir Davydov <>
Subject: Re: [PATCH 3/8] memcg, slab: never try to merge memcg caches

On Tue 04-02-14 19:27:19, Vladimir Davydov wrote:
> What does this patch change? Actually, it introduces no functional
> changes - it only remove the code trying to find an alias for a memcg
> cache, because it will fail anyway. So this is rather a cleanup.

But this also means that two different memcgs might share the same cache
and so the pages for that cache, no? Actually it would depend on timing
because a new page would be chaged for the current allocator.

cachep->memcg_params->memcg == memcg would prevent from such a merge
previously AFAICS, or am I still confused?
Michal Hocko
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