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Re: [PATCH V4 6/6] proc: show MADV_FREE pages info in smaps

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From Minchan Kim <minchan@kernel.org>
Newsgroups linux.kernel
Subject Re: [PATCH V4 6/6] proc: show MADV_FREE pages info in smaps
Date Fri, 24 Feb 2017 03:20:01 +0100
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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>

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Thread

[PATCH V4 6/6] proc: show MADV_FREE pages info in smaps Shaohua Li <shli@fb.com> - 2017-02-22 20:00 +0100
  Re: [PATCH V4 6/6] proc: show MADV_FREE pages info in smaps Johannes Weiner <hannes@cmpxchg.org> - 2017-02-23 17:30 +0100
  Re: [PATCH V4 6/6] proc: show MADV_FREE pages info in smaps Minchan Kim <minchan@kernel.org> - 2017-02-24 03:20 +0100
  Re: [PATCH V4 6/6] proc: show MADV_FREE pages info in smaps Dave Hansen <dave.hansen@intel.com> - 2017-02-24 18:10 +0100

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