diff --git a/arch/sparc64/mm/init.c b/arch/sparc64/mm/init.c
index 217de3e..64d8e76 100644
--- a/arch/sparc64/mm/init.c
+++ b/arch/sparc64/mm/init.c
@@ -796,6 +796,9 @@
 		start += PAGE_SIZE;
 	}
 
+	if (start > end)
+		start = end;
+
 	return start;
 }
 #else