linux-kernel - Re: CFS review

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Message-ID: <p73wswfo0hf.fsf@bingen.suse.de>
Date:	01 Aug 2007 15:20:12 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	Roman Zippel <zippel@...ux-m68k.org>
Cc:	Mike Galbraith <efault@....de>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Ingo Molnar <mingo@...e.hu>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org
Subject: Re: CFS review

Roman Zippel <zippel@...ux-m68k.org> writes:

> especially if one already knows that
> scheduler clock has only limited resolution (because it's based on
> jiffies), it becomes possible to use mostly 32bit values.

jiffies based sched_clock should be soon very rare. It's probably
not worth optimizing for it.

-Andi
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