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List:       kernelnewbies
Subject:    Re: needs_resched in task_struct
From:       Robert Love <rml () tech9 ! net>
Date:       2003-04-30 12:51:05
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On Wed, 2003-04-30 at 05:49, Bryan K. wrote:

> I was wandering why the variable need_resched is a per task one? Is it not a 
> good idea to be a volatile per-cpu variable?

Strictly performance.  Accessing current's task_struct is very very
fast.  It used to be a global variable around 2.0.

	Robert Love

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