From: "Martin J. Bligh" <Martin.Bligh@us.ibm.com>
To: Rik van Riel <riel@conectiva.com.br>,
Linus Torvalds <torvalds@transmeta.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>,
William Lee Irwin III <wli@holomorphy.com>,
"M. Edward Borasky" <znmeb@aracnet.com>,
linux-kernel@vger.kernel.org, andrea@suse.de, akpm@zip.com.au
Subject: Re: Have the 2.4 kernel memory management problems on large machines been fixed?
Date: Wed, 22 May 2002 11:48:00 -0700 [thread overview]
Message-ID: <372130000.1022093280@flay> (raw)
In-Reply-To: <Pine.LNX.4.44L.0205221528070.14140-100000@imladris.surriel.com>
>> don't want to upgrade your CPU's, it's a _whole_ lot easier to just have a
>> magic "map_large_page()" system call, and start using the 2MB page support
>> of the x86.
>>
>> And no, this should NOT be a mmap.
>>
>> It's a magic x86-only system call,
>
>> Making the _generic_ code jump through hoops because some stupid special
>> case that nobody else is interested in is bad.
>
> Actually, I suspect that MIPS, x86-64 and other
> architectures are also interested ...
Indeed. Even if you happen to have a spare 10Gb of RAM, and can address it
efficiently, that's still no reason to blow it on mindless copies of data ;-)
M.
next prev parent reply other threads:[~2002-05-22 18:50 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-05-22 6:51 2.4.19pre*: IO statistics in /proc/partitions corrupt Jochen Suckfuell
2002-05-22 14:00 ` Have the 2.4 kernel memory management problems on large machines been fixed? M. Edward Borasky
2002-05-22 14:08 ` bert hubert
2002-05-22 14:55 ` Alan Cox
2002-05-22 15:56 ` Martin J. Bligh
2002-05-22 16:23 ` Alan Cox
2002-05-22 21:46 ` Doug Ledford
2002-05-22 14:36 ` William Lee Irwin III
2002-05-22 15:44 ` Martin J. Bligh
2002-05-22 15:53 ` Martin J. Bligh
2002-05-22 16:07 ` William Lee Irwin III
2002-05-22 16:36 ` Martin J. Bligh
2002-05-22 17:21 ` Andrea Arcangeli
2002-05-22 18:18 ` Martin J. Bligh
2002-05-22 18:02 ` Alan Cox
2002-05-22 18:08 ` Linus Torvalds
2002-05-22 18:30 ` Rik van Riel
2002-05-22 18:40 ` Linus Torvalds
2002-05-22 18:48 ` Martin J. Bligh [this message]
2002-05-22 18:34 ` Have the 2.4 kernel memory management problems on large machines Alan Cox
2002-05-22 18:27 ` Linus Torvalds
2002-05-22 20:30 ` Have the 2.4 kernel memory management problems on large machines been fixed? William Lee Irwin III
2002-05-22 21:18 ` Martin J. Bligh
2002-05-22 21:23 ` Linus Torvalds
2002-05-22 22:35 ` Andrea Arcangeli
2002-05-22 22:44 ` Martin J. Bligh
2002-05-28 2:08 ` Wim Coekaerts
2002-05-31 20:39 ` Andrea Arcangeli
2002-05-23 14:16 ` Bill Davidsen
2002-05-23 17:18 ` Linus Torvalds
2002-05-23 19:34 ` Bill Davidsen
2002-05-23 19:46 ` Linus Torvalds
2002-05-22 18:38 ` Martin J. Bligh
2002-05-22 17:50 ` Alan Cox
2002-05-22 17:54 ` J Sloan
2002-05-22 18:22 ` Have the 2.4 kernel memory management problems on large machines Alan Cox
2002-05-22 22:14 ` J Sloan
2002-05-22 18:24 ` Have the 2.4 kernel memory management problems on large machines been fixed? Martin J. Bligh
2002-05-22 22:05 ` Alan Cox
-- strict thread matches above, loose matches on Subject: below --
2002-05-22 14:29 Alastair Stevens
[not found] <E17AaR0-0002QM-00@the-village.bc.nu.suse.lists.linux.kernel>
[not found] ` <Pine.LNX.4.33.0205221048570.23621-100000@penguin.transmeta.com.suse.lists.linux.kernel>
2002-05-22 20:23 ` Andi Kleen
2002-05-22 20:58 ` Linus Torvalds
2002-05-23 12:40 ` Mike Jagdis
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