From: "David S. Miller" <davem@redhat.com>
To: davidm@hpl.hp.com, davidm@napali.hpl.hp.com
Cc: rohit.seth@intel.com, frankeh@watson.ibm.com,
torvalds@transmeta.com, gh@us.ibm.com, Martin.Bligh@us.ibm.com,
wli@holomorphy.com, linux-kernel@vger.kernel.org
Subject: Re: large page patch (fwd) (fwd)
Date: Mon, 05 Aug 2002 21:58:17 -0700 (PDT) [thread overview]
Message-ID: <20020805.215817.05805181.davem@redhat.com> (raw)
In-Reply-To: <15695.22556.128499.64377@napali.hpl.hp.com>
From: David Mosberger <davidm@napali.hpl.hp.com>
Date: Mon, 5 Aug 2002 22:01:16 -0700
In my opinion, this is perhaps the strongest argument *for* a separate
"giant page" syscall interface. It will be very hard (perhaps
impossible) to optimize superpages to work efficiently when the ratio
of superpage/basepage grows huge (as, by definition, the kernel would
manage them as a set of basepages).
Actually, this is one of the reasons there was a lot of research into
using sub-page clustering for large mappings in the TLB. Basically
how this worked is that for a superpage, you could stick multiple
sub-mappings into the entry such that you didn't need a fully
physically contiguous superpage.
It's talked about in one of the Talluri papers.
next prev parent reply other threads:[~2002-08-06 5:08 UTC|newest]
Thread overview: 114+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-08-05 23:30 large page patch (fwd) (fwd) Seth, Rohit
2002-08-06 5:01 ` David Mosberger
2002-08-06 4:58 ` David S. Miller [this message]
2002-08-06 5:19 ` David Mosberger
2002-08-06 5:08 ` David S. Miller
2002-08-06 5:32 ` David Mosberger
2002-08-06 19:11 ` Hubertus Franke
-- strict thread matches above, loose matches on Subject: below --
2002-08-09 17:51 Seth, Rohit
2002-08-06 20:38 Luck, Tony
2002-08-06 21:03 ` Hubertus Franke
[not found] <200208041331.24895.frankeh@watson.ibm.com.suse.lists.linux.kernel>
[not found] ` <Pine.LNX.4.44.0208041131380.10314-100000@home.transmeta.com.suse.lists.linux.kernel>
[not found] ` <3D4D7F24.10AC4BDB@zip.com.au.suse.lists.linux.kernel>
2002-08-04 20:20 ` Andi Kleen
2002-08-04 23:51 ` Eric W. Biederman
[not found] <Pine.LNX.4.33.0208021252090.2466-100000@penguin.transmeta.com>
2002-08-02 23:54 ` Martin J. Bligh
2002-08-03 0:35 ` Andrew Morton
2002-08-03 1:26 ` Linus Torvalds
2002-08-03 4:26 ` Gerrit Huizenga
2002-08-03 4:39 ` Linus Torvalds
[not found] <E17ahdi-0001RC-00@w-gerrit2>
2002-08-02 19:34 ` Linus Torvalds
2002-08-03 3:19 ` David Mosberger
2002-08-03 3:32 ` Linus Torvalds
2002-08-03 4:17 ` David Mosberger
2002-08-03 4:26 ` Linus Torvalds
2002-08-03 4:39 ` David Mosberger
2002-08-03 5:20 ` David S. Miller
2002-08-03 17:35 ` Linus Torvalds
2002-08-03 19:30 ` David Mosberger
2002-08-03 19:43 ` Linus Torvalds
2002-08-03 21:18 ` David Mosberger
2002-08-03 21:54 ` Hubertus Franke
2002-08-04 0:35 ` David S. Miller
2002-08-04 2:25 ` David Mosberger
2002-08-04 17:19 ` Hubertus Franke
2002-08-09 15:20 ` Daniel Phillips
2002-08-09 15:56 ` Linus Torvalds
2002-08-09 16:15 ` Daniel Phillips
2002-08-09 16:31 ` Rik van Riel
2002-08-09 18:08 ` Daniel Phillips
2002-08-09 16:51 ` Linus Torvalds
2002-08-09 17:11 ` Daniel Phillips
2002-08-09 16:27 ` Rik van Riel
2002-08-09 16:52 ` Linus Torvalds
2002-08-09 17:40 ` yodaiken
2002-08-09 19:15 ` Rik van Riel
2002-08-09 21:20 ` Linus Torvalds
2002-08-09 21:19 ` Marcin Dalecki
2002-08-09 17:46 ` Bill Rugolsky Jr.
2002-08-12 9:23 ` Helge Hafting
2002-08-13 3:15 ` Bill Davidsen
2002-08-13 3:31 ` Rik van Riel
2002-08-13 7:28 ` Helge Hafting
2002-08-09 21:38 ` Andrew Morton
2002-08-10 18:20 ` Eric W. Biederman
2002-08-10 18:59 ` Daniel Phillips
2002-08-10 19:55 ` Rik van Riel
2002-08-10 19:54 ` Eric W. Biederman
2002-08-09 18:32 ` Hubertus Franke
2002-08-09 18:43 ` Daniel Phillips
2002-08-09 19:17 ` Hubertus Franke
2002-08-11 20:30 ` Alan Cox
2002-08-11 22:33 ` Daniel Phillips
2002-08-11 22:55 ` Linus Torvalds
2002-08-11 22:56 ` Linus Torvalds
2002-08-11 23:36 ` William Lee Irwin III
2002-08-12 0:46 ` Alan Cox
2002-08-11 23:42 ` Rik van Riel
2002-08-11 23:50 ` Larry McVoy
2002-08-12 8:22 ` Daniel Phillips
2002-08-13 8:40 ` Rob Landley
2002-08-13 15:06 ` Alan Cox
2002-08-13 11:36 ` Rob Landley
2002-08-13 16:51 ` Linus Torvalds
2002-08-13 12:53 ` Rob Landley
2002-08-13 17:14 ` Ruth Ivimey-Cook
2002-08-13 17:29 ` Rik van Riel
2002-08-13 13:18 ` Rob Landley
2002-08-13 18:32 ` Linus Torvalds
2002-08-13 13:50 ` Rob Landley
2002-08-13 17:45 ` Alexander Viro
2002-08-13 17:55 ` Linus Torvalds
2002-08-13 17:59 ` Rik van Riel
2002-08-13 13:35 ` Rob Landley
2002-08-13 19:12 ` Daniel Phillips
2002-08-22 12:03 ` bill davidsen
2002-08-11 23:44 ` Daniel Phillips
2002-08-13 8:51 ` Rob Landley
2002-08-13 16:47 ` Daniel Phillips
2002-08-13 13:09 ` Rob Landley
2002-08-11 23:15 ` Larry McVoy
2002-08-12 1:26 ` Linus Torvalds
2002-08-12 5:05 ` Larry McVoy
2002-08-12 10:31 ` Alan Cox
2002-08-04 0:28 ` David S. Miller
2002-08-04 17:31 ` Hubertus Franke
2002-08-04 18:38 ` Linus Torvalds
2002-08-04 19:23 ` Andrew Morton
2002-08-04 19:28 ` Linus Torvalds
2002-08-05 5:42 ` David S. Miller
2002-08-04 19:30 ` Hubertus Franke
2002-08-04 20:23 ` William Lee Irwin III
2002-08-05 16:59 ` David Mosberger
2002-08-05 17:21 ` Hubertus Franke
2002-08-05 21:10 ` Jamie Lokier
2002-08-04 19:41 ` Rik van Riel
2002-08-05 5:40 ` David S. Miller
2002-08-03 18:41 ` Hubertus Franke
2002-08-03 19:39 ` Linus Torvalds
2002-08-04 0:32 ` David S. Miller
2002-08-03 19:41 ` David Mosberger
2002-08-03 20:53 ` Hubertus Franke
2002-08-03 21:26 ` David Mosberger
2002-08-03 21:50 ` Hubertus Franke
2002-08-04 0:34 ` David S. Miller
2002-08-04 0:31 ` David S. Miller
2002-08-04 17:25 ` Hubertus Franke
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