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
Date: Fri, 24 Feb 2017 11:13:21 +0900 [thread overview]
Message-ID: <20170224021321.GE9818@bbox> (raw)
In-Reply-To: <7f22d33b2f388ce33448faa75be75f9a52d57052.1487788131.git.shli@fb.com>
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>
next prev parent reply other threads:[~2017-02-24 2:14 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-22 18:50 [PATCH V4 0/6] mm: fix some MADV_FREE issues Shaohua Li
2017-02-22 18:50 ` [PATCH V4 1/6] mm: delete unnecessary TTU_* flags Shaohua Li
2017-02-23 15:35 ` Johannes Weiner
2017-02-24 1:25 ` Minchan Kim
2017-02-24 3:29 ` Hillf Danton
2017-02-22 18:50 ` [PATCH V4 2/6] mm: don't assume anonymous pages have SwapBacked flag Shaohua Li
2017-02-22 18:50 ` [PATCH V4 3/6] mm: move MADV_FREE pages into LRU_INACTIVE_FILE list Shaohua Li
2017-02-23 15:58 ` Johannes Weiner
2017-02-23 16:26 ` Shaohua Li
2017-02-23 18:22 ` Johannes Weiner
2017-02-23 19:04 ` Shaohua Li
2017-02-24 1:49 ` Minchan Kim
2017-02-24 6:15 ` Shaohua Li
2017-02-24 23:37 ` Minchan Kim
2017-02-22 18:50 ` [PATCH V4 4/6] mm: reclaim MADV_FREE pages Shaohua Li
2017-02-23 16:13 ` Johannes Weiner
2017-02-23 17:19 ` Shaohua Li
2017-02-24 2:12 ` Minchan Kim
2017-02-24 6:14 ` Shaohua Li
2017-02-24 15:36 ` Johannes Weiner
2017-02-24 23:26 ` Minchan Kim
2017-02-22 18:50 ` [PATCH V4 5/6] mm: enable MADV_FREE for swapless system Shaohua Li
2017-02-22 18:50 ` [PATCH V4 6/6] proc: show MADV_FREE pages info in smaps Shaohua Li
2017-02-23 16:16 ` Johannes Weiner
2017-02-24 2:13 ` Minchan Kim [this message]
2017-02-24 17:08 ` Dave Hansen
2017-02-24 21:47 ` Shaohua Li
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