linux-kernel - Re: [PATCH] mm: rmap: fix huge file mmap accounting in the memcg stats

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Message-ID: <20170324134607.GA9994@cmpxchg.org>
Date:   Fri, 24 Mar 2017 09:46:07 -0400
From:   Johannes Weiner <hannes@...xchg.org>
To:     "Kirill A. Shutemov" <kirill@...temov.name>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Michal Hocko <mhocko@...e.com>,
        Vladimir Davydov <vdavydov.dev@...il.com>, linux-mm@...ck.org,
        cgroups@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel-team@...com
Subject: Re: [PATCH] mm: rmap: fix huge file mmap accounting in the memcg
 stats

On Fri, Mar 24, 2017 at 02:07:55PM +0300, Kirill A. Shutemov wrote:
> On Tue, Mar 21, 2017 at 08:51:11PM -0400, Johannes Weiner wrote:
> > Huge pages are accounted as single units in the memcg's "file_mapped"
> > counter. Account the correct number of base pages, like we do in the
> > corresponding node counter.
> > 
> > Signed-off-by: Johannes Weiner <hannes@...xchg.org>
> 
> Sorry for missing that:
> 
> Reviewed-by: Kirill A. Shutemov <kirill.shutemov@...ux.intel.com>

Thanks!

> Do we want it into stable?
> 
> Cc: <stable@...r.kernel.org>	[4.8+]

Yep, that makes sense.