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Date:	Fri, 11 May 2007 10:29:30 +0200
From:	Andi Kleen <ak@...e.de>
To:	Hugh Dickins <hugh@...itas.com>
Cc:	William Lee Irwin III <wli@...omorphy.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andi Kleen <ak@...e.de>, Christoph Lameter <clameter@....com>,
	linux-kernel@...r.kernel.org
Subject: Re: slub-i386-support.patch

> I'm guessing (haven't rechecked source) that the cpu_idle() call comes
> about because the top level pgd of a process gets freed very late in
> its exit, and after a great flurry of processes have just exited,
> perhaps there was nothing to free up the accumulation.  Though
> it still strikes me as an odd place to do it.

I always found it odd and probably the wrong place too.
-Andi
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