unsigned long seg;
} mm_segment_t;
-#define KERNEL_DS ((mm_segment_t) { 0xFFFFFFFF })
-
-#define USER_DS ((mm_segment_t) { PAGE_OFFSET })
-#define get_fs() (current_thread_info()->addr_limit)
-#define set_fs(x) (current_thread_info()->addr_limit = (x))
-#define uaccess_kernel() (get_fs().seg == KERNEL_DS.seg)
-
#endif /* __ASM_CSKY_SEGMENT_H */