linux-kernel - Re: [PATCHv2 01/10] mm: memory hotplug with an existing resource

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Message-ID: <20150728145426.GI3492@olila.local.net-space.pl>
Date:	Tue, 28 Jul 2015 16:54:26 +0200
From:	Daniel Kiper <daniel.kiper@...cle.com>
To:	David Vrabel <david.vrabel@...rix.com>
Cc:	xen-devel@...ts.xenproject.org,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	Boris Ostrovsky <boris.ostrovsky@...cle.com>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCHv2 01/10] mm: memory hotplug with an existing resource

On Fri, Jul 24, 2015 at 12:47:39PM +0100, David Vrabel wrote:
> Add add_memory_resource() to add memory using an existing "System RAM"
> resource.  This is useful if the memory region is being located by
> finding a free resource slot with allocate_resource().
>
> Xen guests will make use of this in their balloon driver to hotplug
> arbitrary amounts of memory in response to toolstack requests.
>
> Signed-off-by: David Vrabel <david.vrabel@...rix.com>
> Cc: Andrew Morton <akpm@...ux-foundation.org>

Reviewed-by: Daniel Kiper <daniel.kiper@...cle.com>

Daniel
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