From: David Vrabel <david.vrabel@citrix.com>
Date: Thu, 19 Sep 2013 16:14:53 +0000 (+0100)
Subject: xen/balloon: don't alloc page while non-preemptible
X-Git-Tag: v3.12-rc3~24^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=24f69373e2;p=pandora-kernel.git

xen/balloon: don't alloc page while non-preemptible

get_balloon_scratch_page() disables preemption so we cannot call
alloc_page() in between get/put_balloon_scratch_page().  Shuffle bits
around in decrease_reservation() to avoid this.

Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
---

Reading git-diff-tree failed