linux-kernel - Re: How to get a sense of VM pressure

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Message-Id: <1217128452.23502.4.camel@nimitz>
Date:	Sat, 26 Jul 2008 20:14:12 -0700
From:	Dave Hansen <dave@...ux.vnet.ibm.com>
To:	Nick Piggin <nickpiggin@...oo.com.au>
Cc:	Jeremy Fitzhardinge <jeremy@...p.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Rik van Riel <riel@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Virtualization Mailing List <virtualization@...ts.osdl.org>,
	Linux Memory Management List <linux-mm@...ck.org>
Subject: Re: How to get a sense of VM pressure

On Sat, 2008-07-26 at 14:25 +1000, Nick Piggin wrote:
> Google I think and maybe IBM (can't remember) is using the proc pagemap
> interfaces to help with this. Probably it is super secret code that can't
> be released though -- but it gives you somewhere to look.

Nobody at IBM that I know. :)  I have other nefarious purposes for it,
but not for memory pressure.

-- Dave

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