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Groups > linux.kernel > #1587241
| Path | csiph.com!aioe.org!bofh.it!news.nic.it!robomod |
|---|---|
| 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 |
| Message-ID | <tedEd-1M7-1@gated-at.bofh.it> (permalink) |
| References | <tdKiR-62X-7@gated-at.bofh.it> <tdKiR-62X-5@gated-at.bofh.it> |
| X-Original-To | Shaohua Li <shli@fb.com> |
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| X-Original-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> |
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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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[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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