target/linux/generic/patches-2.6.30/033-linux_unused_variable.patch


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--- a/include/linux/pagemap.h
+++ b/include/linux/pagemap.h
@@ -422,7 +422,7 @@ static inline int fault_in_pages_writeab
 
 static inline int fault_in_pages_readable(const char __user *uaddr, int size)
 {
-	volatile char c;
+	volatile char c __maybe_unused;
 	int ret;
 
 	if (unlikely(size == 0))