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>

1 files changed, 1 insertions, 2 deletions

diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c
index 769c4b01fa32..630fb53c95f3 100644
--- 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";
 }