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Date: Wed, 20 Mar 2002 10:29:57 -0800
From: "Martin J. Bligh" <Martin.Bligh@us.ibm.com>
To: Andrea Arcangeli <andrea@suse.de>
cc: linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: Scalability problem (kmap_lock) with -aa kernels
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> => average cost = 1/N + (N+F)/N = (1+F+N)/N = 1 + (1+F)/N

Actually, I think this should have read 1 + (N+F)/N = 1+ 1 + F/N = 2 +F/N
but the point is the same.

Sorry,

M.