807 static void *check_bytes8(const u8 *start, u8 value, unsigned int bytes)  in check_bytes8()  argument
810 		if (*start != value)  in check_bytes8()
811 			return (void *)start;  in check_bytes8()
812 		start++;  in check_bytes8()
827 void *memchr_inv(const void *start, int c, size_t bytes)  in memchr_inv()  argument
834 		return check_bytes8(start, value, bytes);  in memchr_inv()
848 	prefix = (unsigned long)start % 8;  in memchr_inv()
853 		r = check_bytes8(start, value, prefix);  in memchr_inv()
856 		start += prefix;  in memchr_inv()
863 		if (*(u64 *)start != value64)  in memchr_inv()
864 			return check_bytes8(start, value, 8);  in memchr_inv()
865 		start += 8;  in memchr_inv()
869 	return check_bytes8(start, value, bytes % 8);  in memchr_inv()