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Date: Wed, 18 Sep 2002 11:33:44 -0700 (PDT)
From: Linus Torvalds <torvalds@transmeta.com>
To: Ingo Molnar <mingo@elte.hu>
cc: "Martin J. Bligh" <mbligh@aracnet.com>, Cort Dougan <cort@fsmlabs.com>,
       Rik van Riel <riel@conectiva.com.br>, Andries Brouwer <aebr@win.tue.nl>,
       William Lee Irwin III <wli@holomorphy.com>,
       <linux-kernel@vger.kernel.org>
Subject: Re: [patch] lockless, scalable get_pid(), for_each_process()
 elimination, 2.5.35-BK
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On Wed, 18 Sep 2002, Ingo Molnar wrote:
> 
> Eliminating for_each_task loops (the ones completely unrelated to
> the get_pid() issue) is an improvement even for desktop setups, which have
> at most 1000 processes running.

If you really really want to do this, then at least get it integrated
better (ie it should _replace_ pidhash since it appears to just duplicate
the functionality), and get the locking right. Maybe that will make it
look better.

		Linus

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