Make set_special_pids() static, the only caller is daemonize().
Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
 
 #define find_task_by_pid(nr)   find_task_by_pid_type(PIDTYPE_PID, nr)
 extern struct task_struct *find_task_by_pid_type(int type, int pid);
-extern void set_special_pids(pid_t session, pid_t pgrp);
 extern void __set_special_pids(pid_t session, pid_t pgrp);
 
 /* per-UID process charging. */
 
        }
 }
 
-void set_special_pids(pid_t session, pid_t pgrp)
+static void set_special_pids(pid_t session, pid_t pgrp)
 {
        write_lock_irq(&tasklist_lock);
        __set_special_pids(session, pgrp);