* Balbir Singh <[EMAIL PROTECTED]> wrote:

> __pick_last_entity() walks the entire tree on O(lgn) time to find the 
> rightmost entry. This patch makes the routine more efficient by 
> reducing the cost of the lookup

hm, i'm not sure we want to do this: we'd be slowing down the fastpath 
of all the other common scheduler functions, for the sake of a rarely 
used (and broken ...) API: yield. And note that an rbtree walk is not 
slow at all - if you are yielding frequently it's probably all cached.

        Ingo
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to