On Tue, Sep 18, 2012 at 06:03:58PM +0400, Glauber Costa wrote:
> From: Suleiman Souhlal <ssouh...@freebsd.org>
> 
> We currently have a percpu stock cache scheme that charges one page at a
> time from memcg->res, the user counter. When the kernel memory
> controller comes into play, we'll need to charge more than that.
> 
> This is because kernel memory allocations will also draw from the user
> counter, and can be bigger than a single page, as it is the case with
> the stack (usually 2 pages) or some higher order slabs.
> 
> [ glom...@parallels.com: added a changelog ]
> 
> Signed-off-by: Suleiman Souhlal <sulei...@google.com>
> Signed-off-by: Glauber Costa <glom...@parallels.com>
> Acked-by: David Rientjes <rient...@google.com>
> Acked-by: Kamezawa Hiroyuki <kamezawa.hir...@jp.fujitsu.com>
> Acked-by: Michal Hocko <mho...@suse.cz>

Independent of how the per-subtree enable-through-setting-limit
discussion pans out, we're going to need the charge cache, so:

Acked-by: Johannes Weiner <han...@cmpxchg.org>

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