__get_user_nocheck
__get_user_nocheck((x), (ptr), sizeof(*(ptr)))
__get_user_nocheck((x), (ptr), sizeof(*(ptr)))
__get_user_nocheck(x, ptr, __gu_failed); \
__get_user_nocheck(*((type *)(dst)), (__force __user type *)(src), err_label)
__get_user_nocheck(__gu_val, (ptr), label); \
#define __get_user(x,ptr) __get_user_nocheck((x), (ptr), sizeof(*(ptr)))
__get_user_nocheck((x), (ptr), sizeof(*(ptr)), __typeof__(*(ptr)))
__get_user_nocheck((x), __gu_addr, sizeof(*(ptr)), __typeof__(*(ptr)));\
#define __get_user(x, ptr) __get_user_nocheck((x), (ptr), sizeof(*(ptr)))