linux-kernel - Re: [PATCH 1/1] pagemap clear_refs: modify to specify anon or mapped vma clearing

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: <1248885667.4545.2673.camel@calx>
Date:	Wed, 29 Jul 2009 11:41:07 -0500
From:	Matt Mackall <mpm@...enic.com>
To:	Mel Gorman <mel@....ul.ie>
Cc:	Moussa Ba <moussa.a.ba@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, rientjes@...gle.com,
	xiyou.wangcong@...il.com, adobriyan@...il.com, yinghan@...gle.com,
	npiggin@...e.de, jaredeh@...il.com
Subject: Re: [PATCH 1/1] pagemap clear_refs: modify to specify anon or
 mapped vma clearing

On Wed, 2009-07-29 at 15:58 +0100, Mel Gorman wrote:
> Total aside, is there potential to really mess with LRU aging by abusing
> clear_refs a lot, partcularly as clear_refs is writable by the process
> owner? Does it matter?

Absolutely. However, it's generally the process owner who will suffer.

-- 
http://selenic.com : development and support for Mercurial and Linux


--
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/