Hi Pavel,
On 3/6/07, Pavel Emelianov <[EMAIL PROTECTED]> wrote:
diff -upr linux-2.6.20.orig/include/linux/sched.h
linux-2.6.20-0/include/linux/sched.h
--- linux-2.6.20.orig/include/linux/sched.h 2007-03-06 13:33:28.000000000
+0300
+++ linux-2.6.20-0/include/linux/sched.h 2007-03-06 13:33:28.000000000
+0300
@@ -1052,6 +1055,9 @@ struct task_struct {
#ifdef CONFIG_FAULT_INJECTION
int make_it_fail;
#endif
+#ifdef CONFIG_PROCESS_CONTAINER
+ struct numproc_container *numproc_cnt;
+#endif
};
Why do you need a pointer added to task_struct? One of the main points
of the generic containers is to avoid every different subsystem and
resource controller having to add new pointers there.
+
+ rcu_read_lock();
+ np = numproc_from_cont(task_container(current, &numproc_subsys));
+ css_get_current(&np->css);
There's no need to hold a reference here - by definition, the task's
container can't go away while the task is in it.
Also, shouldn't you have an attach() method to move the count from one
container to another when a task moves?
Paul
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