[RFC,PATCH 0/2] do_wait() wakeup optimization

From: Oleg Nesterov
Date: Mon Jun 22 2009 - 16:19:29 EST

Now that we have struct wait_opts, it is easy to solve the problems with
unnecessary wakeups from __wake_up_parent(). See the previous discussion

"+ do_wait-wakeup-optimization.patch added to -mm tree"

However, this complicates the code a bit and adds bytes 112 to compiled

Ratan, Roland, do you think this optimisation is worthwhile?


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