linux-kernel - Re: [Xen-devel] [PATCH] xen: p2m: correctly initialize partial p2m leave

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Message-ID: <1295974472.14780.6579.camel@zakaz.uk.xensource.com>
Date:	Tue, 25 Jan 2011 16:54:32 +0000
From:	Ian Campbell <Ian.Campbell@...rix.com>
To:	Stefan Bader <stefan.bader@...onical.com>
CC:	Jeremy Fitzhardinge <Jeremy.Fitzhardinge@...rix.com>,
	"Konrad Rzeszutek Wilk" <konrad.wilk@...cle.com>,
	"xen-devel@...ts.xensource.com" <xen-devel@...ts.xensource.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [Xen-devel] [PATCH] xen: p2m: correctly initialize partial p2m
 leave

Please always include an inline copy of a patch for easier
review-by-reply, even if you also include an attachment because your
mailer mangles patches.

Anyway, I suspect the following comment is obsoleted by Jeremy's "just
do it in place" suggestion but:

On Thu, 2011-01-20 at 14:38 +0000, Stefan Bader wrote:
> [...]
> +                       unsigned long **p2m = extend_brk(PAGE_SIZE, PAGE_SIZE);

I think this would need to be matched by a corresponding RESERVE_BRK of some sort.

Ian.


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