xen: fix for xen guest with mem > 3.7G

[linux-2.6-omap-h63xx.git] / arch / x86 / xen / setup.c

diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c
index b6acc3a0af46d0adeb44a99a8b8d78e1ef8c5140..d679010838883195da63cfa7a7bbef7cfa71fe03 100644 (file)
--- a/arch/x86/xen/setup.c
+++ b/arch/x86/xen/setup.c
@@ -42,7 +42,7 @@ char * __init xen_memory_setup(void)
 
        e820.nr_map = 0;
 
-       e820_add_region(0, PFN_PHYS(max_pfn), E820_RAM);
+       e820_add_region(0, PFN_PHYS((u64)max_pfn), E820_RAM);
 
        /*
         * Even though this is normal, usable memory under Xen, reserve