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 ;)
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next prev parent reply other threads:[~2013-11-26 20:58 UTC|newest]
Thread overview: 40+ 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 ` [patch 1/9] fs: cachefiles: use add_to_page_cache_lru() Johannes Weiner
2013-11-24 23:38 ` [patch 2/9] lib: radix-tree: radix_tree_delete_item() Johannes Weiner
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
2013-11-25 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 ` [patch 5/9] mm + fs: prepare for non-page entries in page cache radix trees Johannes Weiner
2013-11-24 23:38 ` [patch 6/9] mm + fs: store shadow entries in page cache Johannes Weiner
2013-11-25 23:17 ` Dave Chinner
2013-11-26 10:20 ` Peter Zijlstra
2013-11-27 16:45 ` Johannes Weiner
2013-11-27 17:08 ` Johannes Weiner
2013-11-27 23:32 ` Dave Chinner
2013-11-24 23:38 ` [patch 7/9] mm: thrash detection-based file cache sizing Johannes Weiner
2013-11-25 23:50 ` Andrew Morton
2013-11-26 2:15 ` Johannes Weiner
2013-11-26 1:56 ` Ryan Mallon
2013-11-26 20:57 ` Johannes Weiner [this message]
2013-11-24 23:38 ` [patch 8/9] lib: radix_tree: tree node interface Johannes Weiner
2013-11-24 23:38 ` [patch 9/9] mm: keep page cache radix tree nodes in check Johannes Weiner
2013-11-25 23:49 ` Dave Chinner
2013-11-26 21:27 ` Johannes Weiner
2013-11-26 22:29 ` Dave Chinner
2013-11-26 23:00 ` Johannes Weiner
2013-11-27 0:59 ` Dave Chinner
2013-11-26 0:13 ` Andrew Morton
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 22:30 ` Johannes Weiner
2013-11-28 4:40 ` Johannes Weiner
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
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 22:51 ` Rik van Riel
2014-01-13 2:42 ` Minchan Kim
2014-01-14 1:01 ` Bob Liu
2014-01-14 19:16 ` Johannes Weiner
2014-01-15 2:57 ` Bob Liu
2014-01-15 3:52 ` Zhang Yanfei
2014-01-16 21:17 ` Johannes Weiner
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20131126205741.GF22729@cmpxchg.org \
--to=hannes@cmpxchg.org \
--cc=aarcange@redhat.com \
--cc=akpm@linux-foundation.org \
--cc=andi@firstfloor.org \
--cc=david@fromorbit.com \
--cc=gthelen@google.com \
--cc=hch@infradead.org \
--cc=hughd@google.com \
--cc=jack@suse.cz \
--cc=klamm@yandex-team.ru \
--cc=kosaki.motohiro@jp.fujitsu.com \
--cc=linux-fsdevel@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=metin@citusdata.com \
--cc=mgorman@suse.de \
--cc=minchan.kim@gmail.com \
--cc=ozgun@citusdata.com \
--cc=peterz@infradead.org \
--cc=riel@redhat.com \
--cc=rmallon@gmail.com \
--cc=sjenning@linux.vnet.ibm.com \
--cc=tj@kernel.org \
--cc=vbabka@suse.cz \
--cc=walken@google.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox