[BALLOON] Ifdef some x86-specific balloon init code.

Signed-off-by: Keir Fraser <keir@xensource.com>

diff --git a/linux-2.6-xen-sparse/drivers/xen/balloon/balloon.c b/linux-2.6-xen-sparse/drivers/xen/balloon/balloon.c
index b621d763839b976c4ce97b89ed9d7a5e196b3af0..d6d3f7640aff8f1f553317e90c3921d38b2945b4 100644 (file)
--- a/linux-2.6-xen-sparse/drivers/xen/balloon/balloon.c
+++ b/linux-2.6-xen-sparse/drivers/xen/balloon/balloon.c
@@ -446,8 +446,10 @@ static struct notifier_block xenstore_notifier;
 
 static int __init balloon_init(void)
 {
+#ifdef CONFIG_X86
        unsigned long pfn;
        struct page *page;
+#endif
 
        if (!is_running_on_xen())
                return -ENODEV;
@@ -476,13 +478,15 @@ static int __init balloon_init(void)
        balloon_pde->write_proc = balloon_write;
 #endif
        balloon_sysfs_init();
-    
+
+#ifdef CONFIG_X86
        /* Initialise the balloon with excess memory space. */
        for (pfn = xen_start_info->nr_pages; pfn < max_pfn; pfn++) {
                page = pfn_to_page(pfn);
                if (!PageReserved(page))
                        balloon_append(page);
        }
+#endif
 
        target_watch.callback = watch_target;
        xenstore_notifier.notifier_call = balloon_init_watcher;