linux-kernel - Re: [patch 7/9] mm: thrash detection-based file cache sizing

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20131126205741.GF22729@cmpxchg.org>
Date:	Tue, 26 Nov 2013 15:57:41 -0500
From:	Johannes Weiner <hannes@...xchg.org>
To:	Ryan Mallon <rmallon@...il.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Dave Chinner <david@...morbit.com>,
	Rik van Riel <riel@...hat.com>, Jan Kara <jack@...e.cz>,
	Vlastimil Babka <vbabka@...e.cz>,
	Peter Zijlstra <peterz@...radead.org>,
	Tejun Heo <tj@...nel.org>, Andi Kleen <andi@...stfloor.org>,
	Andrea Arcangeli <aarcange@...hat.com>,
	Greg Thelen <gthelen@...gle.com>,
	Christoph Hellwig <hch@...radead.org>,
	Hugh Dickins <hughd@...gle.com>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	Mel Gorman <mgorman@...e.de>,
	Minchan Kim <minchan.kim@...il.com>,
	Michel Lespinasse <walken@...gle.com>,
	Seth Jennings <sjenning@...ux.vnet.ibm.com>,
	Roman Gushchin <klamm@...dex-team.ru>,
	Ozgun Erdogan <ozgun@...usdata.com>,
	Metin Doslu <metin@...usdata.com>, linux-mm@...ck.org,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [patch 7/9] mm: thrash detection-based file cache sizing

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 from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/