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From: David Vrabel <david.vrabel@citrix.com>
To: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: <linux-kernel@vger.kernel.org>, <david.vrabel@citrix.com>,
	<xen-devel@lists.xensource.com>
Subject: Re: [Xen-devel] [PATCH] fixes to stable/for-linus-3.5
Date: Wed, 23 May 2012 17:02:33 +0100	[thread overview]
Message-ID: <4FBD0A19.30701@citrix.com> (raw)
In-Reply-To: <1337636562-9579-1-git-send-email-konrad.wilk@oracle.com>

On 21/05/12 22:42, Konrad Rzeszutek Wilk wrote:
> 
> The autoballoon one would try to balloon up to E820_MAX when
> there were no dom0_mem=.. argument.

I don't see this behaviour and looking at the code I don't see how it
could.  The autoballoon code only populates pages that were released so
it won't go above xen_start_info->nr_pages.

Do you have any logs showing the problem behaviour?

> The patch fixes it, and
> is also makes the dom0_mem=1G case work better (I think?). The
> other solution would be to use the current_reservation patch
> I posted a while back to work-around when no dom0_mem= argument
> is used.

David

WARNING: multiple messages have this Message-ID (diff)
From: David Vrabel <david.vrabel@citrix.com>
To: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: linux-kernel@vger.kernel.org, david.vrabel@citrix.com,
	xen-devel@lists.xensource.com
Subject: Re: [Xen-devel] [PATCH] fixes to stable/for-linus-3.5
Date: Wed, 23 May 2012 17:02:33 +0100	[thread overview]
Message-ID: <4FBD0A19.30701@citrix.com> (raw)
In-Reply-To: <1337636562-9579-1-git-send-email-konrad.wilk@oracle.com>

On 21/05/12 22:42, Konrad Rzeszutek Wilk wrote:
> 
> The autoballoon one would try to balloon up to E820_MAX when
> there were no dom0_mem=.. argument.

I don't see this behaviour and looking at the code I don't see how it
could.  The autoballoon code only populates pages that were released so
it won't go above xen_start_info->nr_pages.

Do you have any logs showing the problem behaviour?

> The patch fixes it, and
> is also makes the dom0_mem=1G case work better (I think?). The
> other solution would be to use the current_reservation patch
> I posted a while back to work-around when no dom0_mem= argument
> is used.

David

  parent reply	other threads:[~2012-05-23 16:02 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-05-21 21:42 [PATCH] fixes to stable/for-linus-3.5 Konrad Rzeszutek Wilk
2012-05-21 21:42 ` [PATCH 1/2] xen/smp: unbind irqworkX when unplugging vCPUs Konrad Rzeszutek Wilk
2012-05-21 21:42 ` [PATCH 2/2] xen/setup: Work properly with 'dom0_mem=X' or with not dom0_mem Konrad Rzeszutek Wilk
2012-05-23 16:02 ` David Vrabel [this message]
2012-05-23 16:02   ` [Xen-devel] [PATCH] fixes to stable/for-linus-3.5 David Vrabel
2012-05-23 17:32   ` Konrad Rzeszutek Wilk

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