From: Andi Kleen <ak@muc.de>
To: Gerrit Huizenga <gh@us.ibm.com>
Cc: akpm@digeo.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2.5.43-mm2] New shared page table patch
Date: 23 Oct 2002 05:03:38 +0200 [thread overview]
Message-ID: <m3fzuxq2k5.fsf@averell.firstfloor.org> (raw)
In-Reply-To: <E1844MH-00027H-00@w-gerrit2>
Gerrit Huizenga <gh@us.ibm.com> writes:
> If the shared pte patch had mmap support, then all shared libraries
> would benefit. Might need to align them to 4 MB boundaries for best
> results, which would also be easy for libraries with unspecified
> attach addresses (e.g. most shared libraries).
But only if the shared libraries are a multiple of 2/4MB, otherwise you'll
waste memory. Or do you propose to link multiple mmap'ed libraries together
into the same page ?
But I agree it would be nice to have a chattr for files that tells
mmap() to use large pages for them.
-Andi
next prev parent reply other threads:[~2002-10-23 2:57 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-10-18 23:06 [PATCH 2.5.43-mm2] New shared page table patch Dave McCracken
2002-10-19 1:32 ` Ed Tomlinson
2002-10-19 19:17 ` Bill Davidsen
2002-10-19 19:36 ` Dave McCracken
2002-10-20 4:20 ` Eric W. Biederman
2002-10-20 6:18 ` Martin J. Bligh
2002-10-21 14:55 ` Eric W. Biederman
2002-10-21 15:21 ` Martin J. Bligh
2002-10-22 3:54 ` Eric W. Biederman
2002-10-22 5:55 ` Martin J. Bligh
2002-10-22 16:09 ` Rik van Riel
2002-10-22 16:14 ` Martin J. Bligh
2002-10-22 18:06 ` Bill Davidsen
2002-10-22 19:02 ` Martin J. Bligh
2002-10-22 19:21 ` Dave McCracken
2002-10-24 10:50 ` Bill Davidsen
2002-10-24 14:22 ` Martin J. Bligh
2002-10-24 14:38 ` Dave McCracken
2002-10-24 14:51 ` Martin J. Bligh
2002-10-25 17:31 ` Bill Davidsen
2002-10-24 10:42 ` Bill Davidsen
2002-10-22 17:19 ` Benjamin LaHaise
2002-10-22 17:36 ` Martin J. Bligh
2002-10-22 17:45 ` Benjamin LaHaise
2002-10-22 17:56 ` Andrew Morton
2002-10-22 18:01 ` Benjamin LaHaise
2002-10-22 19:03 ` Martin J. Bligh
2002-10-22 20:23 ` Alan Cox
2002-10-22 21:33 ` Gerrit Huizenga
2002-10-22 18:22 ` Alan Cox
2002-10-22 18:47 ` Gerrit Huizenga
2002-10-22 18:55 ` Benjamin LaHaise
2002-10-22 19:27 ` Gerrit Huizenga
2002-10-22 19:29 ` Benjamin LaHaise
2002-10-22 19:56 ` Arjan van de Ven
2002-10-22 14:26 ` Rik van Riel
2002-10-22 17:09 ` Andrew Morton
2002-10-22 17:15 ` Rik van Riel
2002-10-22 18:36 ` Dave McCracken
2002-10-22 18:49 ` Andrew Morton
2002-10-22 19:06 ` Gerrit Huizenga
2002-10-22 19:29 ` Dave McCracken
2002-10-23 3:03 ` Andi Kleen [this message]
2002-10-23 3:10 ` Rik van Riel
2002-10-23 17:49 ` Gerrit Huizenga
[not found] ` <Pine.LNX.4.44L.0210221514430.1648-100000@duckman.distro.conecti va>
2002-10-22 19:11 ` Ulrich Drepper
2002-10-22 19:29 ` Gerrit Huizenga
2002-10-22 18:45 ` Gerrit Huizenga
2002-10-22 17:54 ` Bill Davidsen
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