1 --- a/include/linux/pagemap.h
2 +++ b/include/linux/pagemap.h
3 @@ -422,7 +422,7 @@ static inline int fault_in_pages_writeab
5 static inline int fault_in_pages_readable(const char __user *uaddr, int size)
8 + volatile char c __maybe_unused;
11 if (unlikely(size == 0))