From: "David S. Miller" <davem@redhat.com>
To: Ulrich Kunitz <gefm21@uumail.de>
Cc: linux-kernel@vger.kernel.org, linux-mm@vger.kernel.org
Subject: Re: [PATCH] tiny MM performance and typo patches for 2.4.2
Date: Sun, 4 Mar 2001 13:55:07 -0800 (PST) [thread overview]
Message-ID: <15010.47547.612134.819466@pizda.ninka.net> (raw)
In-Reply-To: <20010304224951.B1979@uumail.de>
In-Reply-To: <20010304224951.B1979@uumail.de>
Ulrich Kunitz writes:
> patch-uk6 In 2.4.x _page_hashfn divides struct address_space pointer
> with a parameter derived from the size of struct
> inode. Deriving this parameter from the size of struct
> address_space makes more sense -- at least for me.
The address_space is %99 of the time (unless swapping, and in that
case the address is constant :-)) inside of an inode struct so this
change actually makes the hash worse. I looked at this one time
myself...
Later,
David S. Miller
davem@redhat.com
next prev parent reply other threads:[~2001-03-04 21:55 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-03-04 21:49 Ulrich Kunitz
2001-03-04 21:55 ` David S. Miller [this message]
2001-03-05 0:29 ` Rik van Riel
2001-03-05 7:25 ` Mike Galbraith
2001-03-05 14:20 ` Rik van Riel
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