Hello, Oleg. On Tue, Oct 23, 2012 at 05:39:19PM +0200, Oleg Nesterov wrote: > > Hmm.... Guess we should drop __ from set_current_state. > > Yes. > > Or we can change ptrace_stop() and do_signal_stop() to use freezer_do_not_count/ > freezer_count and remove task_is_stopped_or_traced() from update_if_frozen() > and try_to_freeze_tasks(). But this means that do_signal_stop() will call > try_to_freeze() twice, unless we add __freezer_count() which only clears > PF_FREEZER_SKIP. Ooh, I like this idea. If we have a mechanism to mark a task "frozen enough", it makes sense to use it universally. As long as try_to_freeze() invocation stays outside fast path, I don't think invoking it twice really matters. Can you please cook up a patch for it? Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe cgroups" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
