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


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