xen: switch extra memory accounting to use pfns

[cascardo/linux.git] / drivers / xen / balloon.c

diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c
index bf4a23c..1fa633b 100644 (file)
--- a/drivers/xen/balloon.c
+++ b/drivers/xen/balloon.c
@@ -638,9 +638,9 @@ static int __init balloon_init(void)
         * regions (see arch/x86/xen/setup.c).
         */
        for (i = 0; i < XEN_EXTRA_MEM_MAX_REGIONS; i++)
-               if (xen_extra_mem[i].size)
-                       balloon_add_region(PFN_UP(xen_extra_mem[i].start),
-                                          PFN_DOWN(xen_extra_mem[i].size));
+               if (xen_extra_mem[i].n_pfns)
+                       balloon_add_region(xen_extra_mem[i].start_pfn,
+                                          xen_extra_mem[i].n_pfns);
 
        return 0;
 }