1 #define __percpu __attribute__((noderef, address_space(3)))
2 
3 /* Turn v back into a normal var. */
4 #define convert(v) \
5        (*(typeof(v) __attribute__((address_space(0), force)) *)(&v))
6 
main(int argc,char * argv)7 int main(int argc, char *argv)
8 {
9        unsigned int __percpu x;
10 
11        convert(x) = 0;
12        return 0;
13 }
14 /*
15  * check-name: Rusty Russell's typeof attribute casting.
16  */
17