arkfb: new framebuffer driver for ARK Logic cards

[powerpc.git] / include / linux / pid.h

diff --git a/include/linux/pid.h b/include/linux/pid.h
index 2c0007d..2ac27f9 100644 (file)
--- a/include/linux/pid.h
+++ b/include/linux/pid.h
@@ -35,8 +35,9 @@ enum pid_type
  *
  * Holding a reference to struct pid solves both of these problems.
  * It is small so holding a reference does not consume a lot of
- * resources, and since a new struct pid is allocated when the numeric
- * pid value is reused we don't mistakenly refer to new processes.
+ * resources, and since a new struct pid is allocated when the numeric pid
+ * value is reused (when pids wrap around) we don't mistakenly refer to new
+ * processes.
  */
 
 struct pid
@@ -104,20 +105,6 @@ static inline pid_t pid_nr(struct pid *pid)
        return nr;
 }
 
-
-#define do_each_task_pid(who, type, task)                              \
-       do {                                                            \
-               struct hlist_node *pos___;                              \
-               struct pid *pid___ = find_pid(who);                     \
-               if (pid___ != NULL)                                     \
-                       hlist_for_each_entry_rcu((task), pos___,        \
-                               &pid___->tasks[type], pids[type].node) {
-
-#define while_each_task_pid(who, type, task)                           \
-                       }                                               \
-       } while (0)
-
-
 #define do_each_pid_task(pid, type, task)                              \
        do {                                                            \
                struct hlist_node *pos___;                              \