From ff4b156f166b3931894d2a8b5cdba6cdf4da0618 Mon Sep 17 00:00:00 2001
From: David Vrabel <david.vrabel@citrix.com>
Date: Thu, 8 Jan 2015 18:06:01 +0000
Subject: xen/grant-table: add helpers for allocating pages

Add gnttab_alloc_pages() and gnttab_free_pages() to allocate/free pages
suitable to for granted maps.

Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Reviewed-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
---
 include/xen/grant_table.h | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'include/xen')

diff --git a/include/xen/grant_table.h b/include/xen/grant_table.h
index 7235d8f35459..949803e20872 100644
--- a/include/xen/grant_table.h
+++ b/include/xen/grant_table.h
@@ -163,6 +163,9 @@ void gnttab_free_auto_xlat_frames(void);
 
 #define gnttab_map_vaddr(map) ((void *)(map.host_virt_addr))
 
+int gnttab_alloc_pages(int nr_pages, struct page **pages);
+void gnttab_free_pages(int nr_pages, struct page **pages);
+
 int gnttab_map_refs(struct gnttab_map_grant_ref *map_ops,
 		    struct gnttab_map_grant_ref *kmap_ops,
 		    struct page **pages, unsigned int count);
-- 
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