Messages in this thread | | | Date | Tue, 11 Jul 2006 03:16:35 -0700 | From | Andrew Morton <> | Subject | Re: [PATCH] de_thread: Use tsk not current. |
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On Mon, 10 Jul 2006 22:42:25 -0600 ebiederm@xmission.com (Eric W. Biederman) wrote:
> > Ingo Oeser pointed out that because current expands to an inline function it > is more space efficient and somewhat faster to simply keep a cached copy of > current in another variable. This patch implements that for the de_thread > function. > > - if (thread_group_empty(current)) > + if (thread_group_empty(tsk)) > - if (unlikely(current->group_leader == child_reaper)) > - child_reaper = current; > + if (unlikely(tsk->group_leader == child_reaper)) > + child_reaper = tsk; > - zap_other_threads(current); > + zap_other_threads(tsk); > read_unlock(&tasklist_lock); > ...
This saves nearly 100 bytes of text on gcc-4.1.0/i686. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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