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From: Daniel Kiper <daniel.kiper@oracle.com>
To: Juergen Gross <jgross@suse.com>
Cc: linux-kernel@vger.kernel.org, xen-devel@lists.xensource.com,
	konrad.wilk@oracle.com, david.vrabel@citrix.com,
	boris.ostrovsky@oracle.com, pebolle@tiscali.nl
Subject: Re: [Patch V2 1/2] xen: prepare p2m list for memory hotplug
Date: Fri, 20 Mar 2015 14:42:08 +0100	[thread overview]
Message-ID: <20150320134208.GI27971@olila.local.net-space.pl> (raw)
In-Reply-To: <1426856139-3359-2-git-send-email-jgross@suse.com>

On Fri, Mar 20, 2015 at 01:55:38PM +0100, Juergen Gross wrote:
> Commit 054954eb051f35e74b75a566a96fe756015352c8 ("xen: switch to linear
> virtual mapped sparse p2m list") introduced a regression regarding to
> memory hotplug for a pv-domain: as the virtual space for the p2m list
> is allocated for the to be expected memory size of the domain only,
> hotplugged memory above that size will not be usable by the domain.
>
> Correct this by using a configurable size for the p2m list in case of
> memory hotplug enabled (default supported memory size is 512 GB for
> 64 bit domains and 4 GB for 32 bit domains).
>
> Signed-off-by: Juergen Gross <jgross@suse.com>

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

Daniel

  reply	other threads:[~2015-03-20 13:42 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-20 12:55 [Patch V2 0/2] xen: fix regressions regarding memory hotplug in pv domains Juergen Gross
2015-03-20 12:55 ` [Patch V2 1/2] xen: prepare p2m list for memory hotplug Juergen Gross
2015-03-20 13:42   ` Daniel Kiper [this message]
2015-03-23 12:46   ` [Xen-devel] " David Vrabel
2015-03-23 12:46     ` David Vrabel
2015-03-23 14:29     ` Juergen Gross
2015-03-23 14:57       ` David Vrabel
2015-03-23 14:57         ` David Vrabel
2015-03-20 12:55 ` [Patch V2 2/2] xen: before ballooning hotplugged memory, set frames to invalid Juergen Gross
2015-03-20 13:44   ` Boris Ostrovsky
2015-03-20 14:35     ` Juergen Gross
2015-03-23 11:47     ` [Xen-devel] " David Vrabel
2015-03-23 11:47       ` David Vrabel
2015-03-20 13:46   ` Daniel Kiper
2015-03-20 14:27     ` Juergen Gross
2015-03-23 11:59     ` David Vrabel
2015-03-23 11:59       ` David Vrabel
2015-03-23 15:17 ` [Xen-devel] [Patch V2 0/2] xen: fix regressions regarding memory hotplug in pv domains David Vrabel
2015-03-23 15:17   ` David Vrabel

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