xen: re-enable boot-time ballooning

Now that the balloon driver doesn't stumble over non-RAM pages, we
can enable the extra space for ballooning.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>

diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c
index 769c4b0..630fb53 100644 (file)
--- a/arch/x86/xen/setup.c
+++ b/arch/x86/xen/setup.c
@@ -248,8 +248,7 @@ char * __init xen_memory_setup(void)
        else
                extra_pages = 0;
 
-       if (!xen_initial_domain())
-               xen_add_extra_mem(extra_pages);
+       xen_add_extra_mem(extra_pages);
 
        return "Xen";
 }