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
Date: Wed, 20 Mar 2002 10:29:57 -0800 [thread overview]
Message-ID: <124860000.1016648997@flay> (raw)
In-Reply-To: <122510000.1016648204@flay>
> => 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.
next prev parent reply other threads:[~2002-03-20 18:30 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-03-20 16:14 Scalability problem (kmap_lock) with -aa kernels Martin J. Bligh
2002-03-20 16:39 ` Andrea Arcangeli
2002-03-20 17:41 ` Rik van Riel
2002-03-20 18:26 ` Andrea Arcangeli
2002-03-20 19:35 ` Rik van Riel
2002-03-20 18:16 ` Martin J. Bligh
2002-03-20 18:29 ` Martin J. Bligh [this message]
2002-03-20 18:40 ` Andrea Arcangeli
2002-03-20 18:15 ` Hugh Dickins
2002-03-20 18:56 ` Andrea Arcangeli
-- strict thread matches above, loose matches on Subject: below --
2002-03-19 4:25 Martin J. Bligh
2002-03-19 8:58 ` Rik van Riel
2002-03-20 1:40 ` Andrea Arcangeli
2002-03-20 6:15 ` Martin J. Bligh
2002-03-20 12:30 ` Andrea Arcangeli
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