--- zzzz-none-000/linux-2.6.32.61/include/linux/pagemap.h	2013-06-10 09:43:48.000000000 +0000
+++ virian-300e-630/linux-2.6.32.61/include/linux/pagemap.h	2011-07-06 09:07:38.000000000 +0000
@@ -412,7 +412,7 @@
 
 static inline int fault_in_pages_readable(const char __user *uaddr, int size)
 {
-	volatile char c;
+	volatile char c __attribute__ ((unused));
 	int ret;
 
 	if (unlikely(size == 0))