linux-kernel - Re: [RFC 5/8] Make writeout during reclaim cpuset aware

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]

Date:	Tue, 16 Jan 2007 20:23:04 -0800 (PST)
From:	Christoph Lameter <clameter@....com>
To:	Andi Kleen <ak@...e.de>
cc:	akpm@...l.org, Paul Menage <menage@...gle.com>,
	linux-kernel@...r.kernel.org,
	Nick Piggin <nickpiggin@...oo.com.au>, linux-mm@...ck.org,
	Paul Jackson <pj@....com>, Dave Chinner <dgc@....com>
Subject: Re: [RFC 5/8] Make writeout during reclaim cpuset aware

On Wed, 17 Jan 2007, Andi Kleen wrote:

> On Tuesday 16 January 2007 16:48, Christoph Lameter wrote:
> > Direct reclaim: cpuset aware writeout
> >
> > During direct reclaim we traverse down a zonelist and are carefully
> > checking each zone if its a member of the active cpuset. But then we call
> > pdflush without enforcing the same restrictions. In a larger system this
> > may have the effect of a massive amount of pages being dirtied and then
> > either
> 
> Is there a reason this can't be just done by node, ignoring the cpusets? 

We want to writeout dirty pages that help our situation. Those are located 
on the nodes of the cpuset.
-
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/