-extern int ptrace_get_thread_area(struct task_struct *child, int idx,
- struct user_desc __user *user_desc);
-
-extern int ptrace_set_thread_area(struct task_struct *child, int idx,
- struct user_desc __user *user_desc);
-
-extern int do_set_thread_area_skas(struct user_desc *info);
-extern int do_get_thread_area_skas(struct user_desc *info);
-
-extern int do_set_thread_area_tt(struct user_desc *info);
-extern int do_get_thread_area_tt(struct user_desc *info);
-
-extern int arch_switch_tls_skas(struct task_struct *from, struct task_struct *to);
-extern int arch_switch_tls_tt(struct task_struct *from, struct task_struct *to);
-
-extern void arch_switch_to_tt(struct task_struct *from, struct task_struct *to);
-extern void arch_switch_to_skas(struct task_struct *from, struct task_struct *to);
-
-static inline int do_get_thread_area(struct user_desc *info)
-{
- return CHOOSE_MODE_PROC(do_get_thread_area_tt, do_get_thread_area_skas, info);
-}
-
-static inline int do_set_thread_area(struct user_desc *info)
-{
- return CHOOSE_MODE_PROC(do_set_thread_area_tt, do_set_thread_area_skas, info);
-}
-
-struct task_struct;
-