linux-kernel - Re: [PATCH 1/1] mm: Export a function to get vm committed memory

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Message-ID: <20121127211206.GA10391@phenom.dumpdata.com>
Date:	Tue, 27 Nov 2012 16:12:06 -0500
From:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
To:	David Rientjes <rientjes@...gle.com>
Cc:	"K. Y. Srinivasan" <kys@...rosoft.com>, gregkh@...uxfoundation.org,
	linux-kernel@...r.kernel.org, devel@...uxdriverproject.org,
	olaf@...fle.de, apw@...onical.com, andi@...stfloor.org,
	akpm@...ux-foundation.org, linux-mm@...ck.org,
	kamezawa.hiroyuki@...il.com, mhocko@...e.cz, hannes@...xchg.org,
	yinghan@...gle.com, dan.magenheimer@...cle.com
Subject: Re: [PATCH 1/1] mm: Export a function to get vm committed memory

On Tue, Nov 13, 2012 at 01:07:30PM -0800, David Rientjes wrote:
> On Tue, 13 Nov 2012, K. Y. Srinivasan wrote:
> 
> > It will be useful to be able to access global memory commitment from device
> > drivers. On the Hyper-V platform, the host has a policy engine to balance
> > the available physical memory amongst all competing virtual machines
> > hosted on a given node. This policy engine is driven by a number of metrics
> > including the memory commitment reported by the guests. The balloon driver
> > for Linux on Hyper-V will use this function to retrieve guest memory commitment.
> > This function is also used in Xen self ballooning code.
> > 
> > Signed-off-by: K. Y. Srinivasan <kys@...rosoft.com>
> 
> Acked-by: David Rientjes <rientjes@...gle.com>

I am bit late to this party - and back from vacation - so not sure if this
is merged in or not. Either way:

Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@...cle.com> on the drivers/xen* side.
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