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From: Johannes Weiner <hannes@cmpxchg.org>
To: Ryan Mallon <rmallon@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Dave Chinner <david@fromorbit.com>,
	Rik van Riel <riel@redhat.com>, Jan Kara <jack@suse.cz>,
	Vlastimil Babka <vbabka@suse.cz>,
	Peter Zijlstra <peterz@infradead.org>, Tejun Heo <tj@kernel.org>,
	Andi Kleen <andi@firstfloor.org>,
	Andrea Arcangeli <aarcange@redhat.com>,
	Greg Thelen <gthelen@google.com>,
	Christoph Hellwig <hch@infradead.org>,
	Hugh Dickins <hughd@google.com>,
	KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
	Mel Gorman <mgorman@suse.de>, Minchan Kim <minchan.kim@gmail.com>,
	Michel Lespinasse <walken@google.com>,
	Seth Jennings <sjenning@linux.vnet.ibm.com>,
	Roman Gushchin <klamm@yandex-team.ru>,
	Ozgun Erdogan <ozgun@citusdata.com>,
	Metin Doslu <metin@citusdata.com>,
	linux-mm@kvack.org, linux-fsdevel@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [patch 7/9] mm: thrash detection-based file cache sizing
Date: Tue, 26 Nov 2013 15:57:41 -0500	[thread overview]
Message-ID: <20131126205741.GF22729@cmpxchg.org> (raw)
In-Reply-To: <5293FFC7.5070907@gmail.com>

On Tue, Nov 26, 2013 at 12:56:23PM +1100, Ryan Mallon wrote:
> > + *   fault ------------------------+
> > + *                                 |
> > + *              +--------------+   |            +-------------+
> > + *   reclaim <- |   inactive   | <-+-- demotion |    active   | <--+
> > + *              +--------------+                +-------------+    |
> > + *                     |                                           |
> > + *                     +-------------- promotion ------------------+
> > + *
> > + *
> > + *		Access frequency and refault distance
> > + *
> > + * A workload is trashing when its pages are frequently used but they
> 
> "thrashing".

Thanks ;)

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WARNING: multiple messages have this Message-ID (diff)
From: Johannes Weiner <hannes@cmpxchg.org>
To: Ryan Mallon <rmallon@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Dave Chinner <david@fromorbit.com>,
	Rik van Riel <riel@redhat.com>, Jan Kara <jack@suse.cz>,
	Vlastimil Babka <vbabka@suse.cz>,
	Peter Zijlstra <peterz@infradead.org>, Tejun Heo <tj@kernel.org>,
	Andi Kleen <andi@firstfloor.org>,
	Andrea Arcangeli <aarcange@redhat.com>,
	Greg Thelen <gthelen@google.com>,
	Christoph Hellwig <hch@infradead.org>,
	Hugh Dickins <hughd@google.com>,
	KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
	Mel Gorman <mgorman@suse.de>, Minchan Kim <minchan.kim@gmail.com>,
	Michel Lespinasse <walken@google.com>,
	Seth Jennings <sjenning@linux.vnet.ibm.com>,
	Roman Gushchin <klamm@yandex-team.ru>,
	Ozgun Erdogan <ozgun@citusdata.com>,
	Metin Doslu <metin@citusdata.com>,
	linux-mm@kvack.org, linux-fsdevel@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [patch 7/9] mm: thrash detection-based file cache sizing
Date: Tue, 26 Nov 2013 15:57:41 -0500	[thread overview]
Message-ID: <20131126205741.GF22729@cmpxchg.org> (raw)
In-Reply-To: <5293FFC7.5070907@gmail.com>

On Tue, Nov 26, 2013 at 12:56:23PM +1100, Ryan Mallon wrote:
> > + *   fault ------------------------+
> > + *                                 |
> > + *              +--------------+   |            +-------------+
> > + *   reclaim <- |   inactive   | <-+-- demotion |    active   | <--+
> > + *              +--------------+                +-------------+    |
> > + *                     |                                           |
> > + *                     +-------------- promotion ------------------+
> > + *
> > + *
> > + *		Access frequency and refault distance
> > + *
> > + * A workload is trashing when its pages are frequently used but they
> 
> "thrashing".

Thanks ;)

  reply	other threads:[~2013-11-26 20:57 UTC|newest]

Thread overview: 83+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-11-24 23:38 [patch 0/9] mm: thrash detection-based file cache sizing v6 Johannes Weiner
2013-11-24 23:38 ` Johannes Weiner
2013-11-24 23:38 ` [patch 1/9] fs: cachefiles: use add_to_page_cache_lru() Johannes Weiner
2013-11-24 23:38   ` Johannes Weiner
2013-11-24 23:38 ` [patch 2/9] lib: radix-tree: radix_tree_delete_item() Johannes Weiner
2013-11-24 23:38   ` Johannes Weiner
2013-11-25  8:21   ` Minchan Kim
2013-11-25  8:21     ` Minchan Kim
2013-11-24 23:38 ` [patch 3/9] mm: shmem: save one radix tree lookup when truncating swapped pages Johannes Weiner
2013-11-24 23:38   ` Johannes Weiner
2013-11-25  8:21   ` Minchan Kim
2013-11-25  8:21     ` Minchan Kim
2013-11-24 23:38 ` [patch 4/9] mm: filemap: move radix tree hole searching here Johannes Weiner
2013-11-24 23:38   ` Johannes Weiner
2013-11-24 23:38 ` [patch 5/9] mm + fs: prepare for non-page entries in page cache radix trees Johannes Weiner
2013-11-24 23:38   ` Johannes Weiner
2013-11-24 23:38 ` [patch 6/9] mm + fs: store shadow entries in page cache Johannes Weiner
2013-11-24 23:38   ` Johannes Weiner
2013-11-25 23:17   ` Dave Chinner
2013-11-25 23:17     ` Dave Chinner
2013-11-26 10:20     ` Peter Zijlstra
2013-11-26 10:20       ` Peter Zijlstra
2013-11-27 16:45       ` Johannes Weiner
2013-11-27 16:45         ` Johannes Weiner
2013-11-27 17:08     ` Johannes Weiner
2013-11-27 17:08       ` Johannes Weiner
2013-11-27 23:32       ` Dave Chinner
2013-11-27 23:32         ` Dave Chinner
2013-11-24 23:38 ` [patch 7/9] mm: thrash detection-based file cache sizing Johannes Weiner
2013-11-24 23:38   ` Johannes Weiner
2013-11-25 23:50   ` Andrew Morton
2013-11-25 23:50     ` Andrew Morton
2013-11-26  2:15     ` Johannes Weiner
2013-11-26  2:15       ` Johannes Weiner
2013-11-26  1:56   ` Ryan Mallon
2013-11-26  1:56     ` Ryan Mallon
2013-11-26 20:57     ` Johannes Weiner [this message]
2013-11-26 20:57       ` Johannes Weiner
2013-11-24 23:38 ` [patch 8/9] lib: radix_tree: tree node interface Johannes Weiner
2013-11-24 23:38   ` Johannes Weiner
2013-11-24 23:38 ` [patch 9/9] mm: keep page cache radix tree nodes in check Johannes Weiner
2013-11-24 23:38   ` Johannes Weiner
2013-11-25 23:49   ` Dave Chinner
2013-11-25 23:49     ` Dave Chinner
2013-11-26 21:27     ` Johannes Weiner
2013-11-26 21:27       ` Johannes Weiner
2013-11-26 22:29       ` Dave Chinner
2013-11-26 22:29         ` Dave Chinner
2013-11-26 23:00         ` Johannes Weiner
2013-11-26 23:00           ` Johannes Weiner
2013-11-27  0:59           ` Dave Chinner
2013-11-27  0:59             ` Dave Chinner
2013-11-26  0:13   ` Andrew Morton
2013-11-26  0:13     ` Andrew Morton
2013-11-26 22:05     ` Johannes Weiner
2013-11-26 22:05       ` Johannes Weiner
2013-11-26  0:57 ` [patch 0/9] mm: thrash detection-based file cache sizing v6 Andrew Morton
2013-11-26  0:57   ` Andrew Morton
2013-11-26 22:30   ` Johannes Weiner
2013-11-26 22:30     ` Johannes Weiner
2013-11-28  4:40 ` Johannes Weiner
2013-11-28  4:40   ` Johannes Weiner
  -- strict thread matches above, loose matches on Subject: below --
2013-12-02 19:21 [patch 0/9] mm: thrash detection-based file cache sizing v7 Johannes Weiner
2013-12-02 19:21 ` [patch 7/9] mm: thrash detection-based file cache sizing Johannes Weiner
2013-12-02 19:21   ` Johannes Weiner
2014-01-10 18:10 [patch 0/9] mm: thrash detection-based file cache sizing v8 Johannes Weiner
2014-01-10 18:10 ` [patch 7/9] mm: thrash detection-based file cache sizing Johannes Weiner
2014-01-10 18:10   ` Johannes Weiner
2014-01-10 22:51   ` Rik van Riel
2014-01-10 22:51     ` Rik van Riel
2014-01-10 22:51     ` Rik van Riel
2014-01-13  2:42   ` Minchan Kim
2014-01-13  2:42     ` Minchan Kim
2014-01-14  1:01   ` Bob Liu
2014-01-14  1:01     ` Bob Liu
2014-01-14  1:01     ` Bob Liu
2014-01-14 19:16     ` Johannes Weiner
2014-01-14 19:16       ` Johannes Weiner
2014-01-15  2:57       ` Bob Liu
2014-01-15  2:57         ` Bob Liu
2014-01-15  2:57         ` Bob Liu
2014-01-15  3:52         ` Zhang Yanfei
2014-01-15  3:52           ` Zhang Yanfei
2014-01-16 21:17         ` Johannes Weiner
2014-01-16 21:17           ` Johannes Weiner

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