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Date: Mon, 28 Jul 2008 01:10:33 -0700
From: Jeremy Fitzhardinge <jeremy@goop.org>
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To: Nick Piggin <nickpiggin@yahoo.com.au>
CC: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
       Rik van Riel <riel@redhat.com>,
       Andrew Morton <akpm@linux-foundation.org>,
       Virtualization Mailing List <virtualization@lists.osdl.org>,
       Linux Memory Management List <linux-mm@kvack.org>
Subject: Re: How to get a sense of VM pressure
References: <488A1398.7020004@goop.org> <200807261425.26318.nickpiggin@yahoo.com.au>
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Nick Piggin wrote:
> A good start would be to register a "shrinker" (look at dcache or inode
> cache for examples). Start off by allocating pages, and slow down or
> stop or even release some of the pages back as you start getting feedback
> back through your shrinker callback.
>
> Not perfect, but it should prevent livelocks.
>   

Thanks, that's a good starting place.

    J