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From: Jeremy Fitzhardinge <jeremy@goop.org>
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
Date: Mon, 28 Jul 2008 01:10:33 -0700	[thread overview]
Message-ID: <488D7EF9.2020500@goop.org> (raw)
In-Reply-To: <200807261425.26318.nickpiggin@yahoo.com.au>

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

WARNING: multiple messages have this Message-ID (diff)
From: Jeremy Fitzhardinge <jeremy@goop.org>
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
Date: Mon, 28 Jul 2008 01:10:33 -0700	[thread overview]
Message-ID: <488D7EF9.2020500@goop.org> (raw)
In-Reply-To: <200807261425.26318.nickpiggin@yahoo.com.au>

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

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  parent reply	other threads:[~2008-07-28  8:10 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-07-25 17:55 How to get a sense of VM pressure Jeremy Fitzhardinge
2008-07-25 17:55 ` Jeremy Fitzhardinge
2008-07-26  4:25 ` Nick Piggin
2008-07-26  4:25   ` Nick Piggin
2008-07-27  3:14   ` Dave Hansen
2008-07-27  3:14     ` Dave Hansen
2008-07-28  8:10   ` Jeremy Fitzhardinge [this message]
2008-07-28  8:10     ` Jeremy Fitzhardinge
2008-07-27  6:43 ` Rusty Russell
2008-07-27  6:43   ` Rusty Russell
2008-07-28  7:36 ` Peter Zijlstra
2008-07-28  7:36   ` Peter Zijlstra
2008-07-28  8:12   ` Jeremy Fitzhardinge
2008-07-28  8:12     ` Jeremy Fitzhardinge

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