x86/xen: safely map and unmap grant frames when in atomic context

[linux-2.6-block.git] / include / xen / grant_table.h

diff --git a/include/xen/grant_table.h b/include/xen/grant_table.h
index a5af2a26d94f3f698072b3bf70a444bdb5da7978..5c1aba154b64c833c9acb865bcc600057234b59a 100644 (file)
--- a/include/xen/grant_table.h
+++ b/include/xen/grant_table.h
@@ -170,6 +170,7 @@ gnttab_set_unmap_op(struct gnttab_unmap_grant_ref *unmap, phys_addr_t addr,
        unmap->dev_bus_addr = 0;
 }
 
+int arch_gnttab_init(unsigned long nr_shared, unsigned long nr_status);
 int arch_gnttab_map_shared(xen_pfn_t *frames, unsigned long nr_gframes,
                           unsigned long max_nr_gframes,
                           void **__shared);