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From: William Lee Irwin III <wli@holomorphy.com>
To: Jes Sorensen <jes@trained-monkey.org>
Cc: Alexander Viro <viro@math.psu.edu>, Andrew Morton <akpm@osdl.org>,
	linux-kernel@vger.kernel.org, jbarnes@sgi.com, steiner@sgi.com
Subject: Re: hash table sizes
Date: Tue, 25 Nov 2003 05:42:22 -0800	[thread overview]
Message-ID: <20031125134222.GA8039@holomorphy.com> (raw)
In-Reply-To: <16323.23221.835676.999857@gargle.gargle.HOWL>

On Tue, Nov 25, 2003 at 08:35:49AM -0500, Jes Sorensen wrote:
> +	mempages >>= (23 - (PAGE_SHIFT - 1));
> +	order = max(2, fls(mempages));
> +	order = min(12, order);

This is curious; what's 23 - (PAGE_SHIFT - 1) supposed to represent?


-- wli

  reply	other threads:[~2003-11-25 13:42 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-11-25 13:35 hash table sizes Jes Sorensen
2003-11-25 13:42 ` William Lee Irwin III [this message]
2003-11-25 13:54   ` Jes Sorensen
2003-11-25 16:25     ` Thomas Schlichter
2003-11-25 17:52       ` Antonio Vargas
2003-11-25 17:54         ` William Lee Irwin III
2003-11-25 20:48 ` Jack Steiner
2003-11-25 21:07   ` Andrew Morton
2003-11-25 21:14     ` Jesse Barnes
2003-11-25 21:24       ` Andrew Morton
2003-11-26  2:14         ` David S. Miller
2003-11-26  5:27         ` Matt Mackall
2003-11-28 14:15         ` Jes Sorensen
2003-11-28 14:52           ` Jack Steiner
2003-11-28 16:22             ` Jes Sorensen
2003-11-28 19:35               ` Jack Steiner
2003-11-28 21:18                 ` Jörn Engel
2003-12-01  9:46                   ` Jes Sorensen
2003-12-01 21:06     ` Anton Blanchard
2003-12-01 22:57       ` Martin J. Bligh
2003-11-25 21:16   ` Anton Blanchard
2003-11-25 23:11     ` Jack Steiner
2003-11-26  3:39       ` Rik van Riel
2003-11-26  3:59         ` William Lee Irwin III
2003-11-26  4:25           ` Andrew Morton
2003-11-26  4:23             ` William Lee Irwin III
2003-11-26  5:14           ` Martin J. Bligh
2003-11-26  9:51             ` William Lee Irwin III
2003-11-26 16:17               ` Martin J. Bligh
2003-11-26  7:25       ` Anton Blanchard
2003-11-26  5:53 Zhang, Yanmin
2003-11-29 10:39 Manfred Spraul

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