From cab2a2aa6dd0e042853b8ee5ffb69d95c01caada Mon Sep 17 00:00:00 2001
From: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Date: Wed, 8 Aug 2012 17:20:58 +0000
Subject: [PATCH] --- yaml --- r: 330399 b: refs/heads/master c:
 ea54209b16cbecad8928f6067af29069ac44e360 h: refs/heads/master i:   330397:
 060643b513b814346fa728ac25d48b3ff748e727   330395:
 ead8ad49af60b6a17f9f4476d54751ef2c5485aa   330391:
 02c60663550fdd5f5387b7fa311e587971fb1b91   330383:
 1847ada97b48dd8ff6d32fc1c038c121a907cc5f   330367:
 5c17732b2be6c5b98e6b4559012c2c4f7da784d8 v: v3

---
 [refs]                         |  2 +-
 trunk/arch/arm/xen/enlighten.c | 18 ++++++++++++++++++
 2 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index 3c9962aa1628..5aa812ea9064 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 0ec53ecf38bcbf95b4b057328a8fbba4d22ef28b
+refs/heads/master: ea54209b16cbecad8928f6067af29069ac44e360
diff --git a/trunk/arch/arm/xen/enlighten.c b/trunk/arch/arm/xen/enlighten.c
index bad67ad43c2d..59bcb96ac369 100644
--- a/trunk/arch/arm/xen/enlighten.c
+++ b/trunk/arch/arm/xen/enlighten.c
@@ -148,3 +148,21 @@ static int __init xen_init_events(void)
 	return 0;
 }
 postcore_initcall(xen_init_events);
+
+/* XXX: only until balloon is properly working */
+int alloc_xenballooned_pages(int nr_pages, struct page **pages, bool highmem)
+{
+	*pages = alloc_pages(highmem ? GFP_HIGHUSER : GFP_KERNEL,
+			get_order(nr_pages));
+	if (*pages == NULL)
+		return -ENOMEM;
+	return 0;
+}
+EXPORT_SYMBOL_GPL(alloc_xenballooned_pages);
+
+void free_xenballooned_pages(int nr_pages, struct page **pages)
+{
+	kfree(*pages);
+	*pages = NULL;
+}
+EXPORT_SYMBOL_GPL(free_xenballooned_pages);