linux-kernel - Re: [Patch V2 2/2] xen: before ballooning hotplugged memory, set frames to invalid

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Message-ID: <5510001F.7020706@citrix.com>
Date:	Mon, 23 Mar 2015 11:59:27 +0000
From:	David Vrabel <david.vrabel@...rix.com>
To:	Daniel Kiper <daniel.kiper@...cle.com>,
	Juergen Gross <jgross@...e.com>
CC:	<linux-kernel@...r.kernel.org>, <xen-devel@...ts.xensource.com>,
	<konrad.wilk@...cle.com>, <boris.ostrovsky@...cle.com>,
	<pebolle@...cali.nl>
Subject: Re: [Patch V2 2/2] xen: before ballooning hotplugged memory, set
 frames to invalid

On 20/03/15 13:46, Daniel Kiper wrote:
> On Fri, Mar 20, 2015 at 01:55:39PM +0100, Juergen Gross wrote:
>> Commit 25b884a83d487fd62c3de7ac1ab5549979188482 ("x86/xen: set
>> regions above the end of RAM as 1:1") introduced a regression.
>>
> 
> Should not we fill everything above "maxmem" with
> INVALID_P2M_ENTRY at boot time?

No.  See the commit referenced above.

David
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