Re: [rfc][patch] Avoid taking global tasklist_lock for single threaded process at getrusage()

Christoph Lameter
2005-12-27T20:21:51Z

On Sat, 24 Dec 2005, Oleg Nesterov wrote:

> I can't understand this. 'p' can do clone(CLONE_THREAD) immediately
> after 'if (!thread_group_empty(p))' check.

Only if p != current. As discussed later the lockless approach is
intened to only be used if p == current.