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Date: Fri, 24 Feb 2017 11:13:21 +0900
From: Minchan Kim <minchan@kernel.org>
To: Shaohua Li <shli@fb.com>
CC: <linux-mm@kvack.org>, <linux-kernel@vger.kernel.org>,
        <Kernel-team@fb.com>, <mhocko@suse.com>, <hughd@google.com>,
        <hannes@cmpxchg.org>, <riel@redhat.com>, <mgorman@techsingularity.net>,
        <akpm@linux-foundation.org>
Subject: Re: [PATCH V4 6/6] proc: show MADV_FREE pages info in smaps
Message-ID: <20170224021321.GE9818@bbox>
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On Wed, Feb 22, 2017 at 10:50:44AM -0800, Shaohua Li wrote:
> show MADV_FREE pages info of each vma in smaps. The interface is for
> diganose or monitoring purpose, userspace could use it to understand
> what happens in the application. Since userspace could dirty MADV_FREE
> pages without notice from kernel, this interface is the only place we
> can get accurate accounting info about MADV_FREE pages.
> 
> Cc: Michal Hocko <mhocko@suse.com>
> Cc: Minchan Kim <minchan@kernel.org>
> Cc: Hugh Dickins <hughd@google.com>
> Cc: Johannes Weiner <hannes@cmpxchg.org>
> Cc: Rik van Riel <riel@redhat.com>
> Cc: Mel Gorman <mgorman@techsingularity.net>
> Cc: Andrew Morton <akpm@linux-foundation.org>
> Signed-off-by: Shaohua Li <shli@fb.com>
Acked-by: Minchan Kim <minchan@kernel.org>