From: Christoph Lameter <cl@linux-foundation.org>
To: MinChan Kim <minchan.kim@gmail.com>
Cc: Martin Bligh <mbligh@google.com>, Chris Snook <csnook@redhat.com>,
Jeremy Fitzhardinge <jeremy@goop.org>,
Nick Piggin <nickpiggin@yahoo.com.au>,
Hugh Dickens <hugh@veritas.com>,
Linux Memory Management List <linux-mm@kvack.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Avi Kivity <avi@qumranet.com>,
Andrew Morton <akpm@linux-foundation.org>,
Rik van Riel <riel@redhat.com>
Subject: Re: Populating multiple ptes at fault time
Date: Thu, 18 Sep 2008 16:58:11 -0500 [thread overview]
Message-ID: <48D2CEF3.6060308@linux-foundation.org> (raw)
In-Reply-To: <28c262360809181449v1050c1f7ndf17dadba9fac0bf@mail.gmail.com>
MinChan Kim wrote:
> In case of file-mapped pages, Shouldn't we use just on-demand
> readahead mechanism in kernel ?
Correct.
> If it is inefficient, It means we have to change on-demand readahead
> mechanism itself.
Right.
My patches were only for anonymous pages not for file backed because readahead
is available for file backed mappings.
WARNING: multiple messages have this Message-ID (diff)
From: Christoph Lameter <cl@linux-foundation.org>
To: MinChan Kim <minchan.kim@gmail.com>
Cc: Martin Bligh <mbligh@google.com>, Chris Snook <csnook@redhat.com>,
Jeremy Fitzhardinge <jeremy@goop.org>,
Nick Piggin <nickpiggin@yahoo.com.au>,
Hugh Dickens <hugh@veritas.com>,
Linux Memory Management List <linux-mm@kvack.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Avi Kivity <avi@qumranet.com>,
Andrew Morton <akpm@linux-foundation.org>,
Rik van Riel <riel@redhat.com>
Subject: Re: Populating multiple ptes at fault time
Date: Thu, 18 Sep 2008 16:58:11 -0500 [thread overview]
Message-ID: <48D2CEF3.6060308@linux-foundation.org> (raw)
In-Reply-To: <28c262360809181449v1050c1f7ndf17dadba9fac0bf@mail.gmail.com>
MinChan Kim wrote:
> In case of file-mapped pages, Shouldn't we use just on-demand
> readahead mechanism in kernel ?
Correct.
> If it is inefficient, It means we have to change on-demand readahead
> mechanism itself.
Right.
My patches were only for anonymous pages not for file backed because readahead
is available for file backed mappings.
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next prev parent reply other threads:[~2008-09-18 21:59 UTC|newest]
Thread overview: 80+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-17 17:47 Populating multiple ptes at fault time Jeremy Fitzhardinge
2008-09-17 17:47 ` Jeremy Fitzhardinge
2008-09-17 18:28 ` Rik van Riel
2008-09-17 18:28 ` Rik van Riel
2008-09-17 21:47 ` Jeremy Fitzhardinge
2008-09-17 21:47 ` Jeremy Fitzhardinge
2008-09-17 20:02 ` Chris Snook
2008-09-17 20:02 ` Chris Snook
2008-09-17 21:45 ` Jeremy Fitzhardinge
2008-09-17 21:45 ` Jeremy Fitzhardinge
2008-09-18 18:16 ` Christoph Lameter
2008-09-18 18:16 ` Christoph Lameter
2008-09-18 18:53 ` Jeremy Fitzhardinge
2008-09-18 18:53 ` Jeremy Fitzhardinge
2008-09-18 19:39 ` Christoph Lameter
2008-09-18 19:39 ` Christoph Lameter
2008-09-18 22:21 ` KOSAKI Motohiro
2008-09-18 22:21 ` KOSAKI Motohiro
2008-09-18 20:52 ` Martin Bligh
2008-09-18 20:52 ` Martin Bligh
2008-09-18 20:53 ` Chris Snook
2008-09-18 20:53 ` Chris Snook
2008-09-18 21:11 ` Martin Bligh
2008-09-18 21:11 ` Martin Bligh
2008-09-18 21:13 ` Christoph Lameter
2008-09-18 21:13 ` Christoph Lameter
2008-09-18 21:21 ` Martin Bligh
2008-09-18 21:21 ` Martin Bligh
2008-09-18 21:32 ` Christoph Lameter
2008-09-18 21:32 ` Christoph Lameter
2008-09-18 21:49 ` MinChan Kim
2008-09-18 21:49 ` MinChan Kim
2008-09-18 21:58 ` Christoph Lameter [this message]
2008-09-18 21:58 ` Christoph Lameter
2008-09-18 22:08 ` Martin Bligh
2008-09-18 22:08 ` Martin Bligh
2008-09-18 22:11 ` Christoph Lameter
2008-09-18 22:11 ` Christoph Lameter
2008-09-18 22:18 ` Martin Bligh
2008-09-18 22:18 ` Martin Bligh
2008-09-18 22:22 ` Jeremy Fitzhardinge
2008-09-18 22:22 ` Jeremy Fitzhardinge
2008-09-18 22:23 ` Chris Snook
2008-09-18 22:23 ` Chris Snook
2008-09-18 23:16 ` MinChan Kim
2008-09-18 23:16 ` MinChan Kim
2008-09-17 22:02 ` Avi Kivity
2008-09-17 22:02 ` Avi Kivity
2008-09-17 22:30 ` Jeremy Fitzhardinge
2008-09-17 22:30 ` Jeremy Fitzhardinge
2008-09-17 22:47 ` Avi Kivity
2008-09-17 22:47 ` Avi Kivity
2008-09-17 23:02 ` Jeremy Fitzhardinge
2008-09-17 23:02 ` Jeremy Fitzhardinge
2008-09-18 20:26 ` Avi Kivity
2008-09-18 20:26 ` Avi Kivity
2008-09-18 22:18 ` Jeremy Fitzhardinge
2008-09-18 22:18 ` Jeremy Fitzhardinge
2008-09-18 23:38 ` Avi Kivity
2008-09-18 23:38 ` Avi Kivity
2008-09-19 0:00 ` Jeremy Fitzhardinge
2008-09-19 0:00 ` Jeremy Fitzhardinge
2008-09-19 0:20 ` Avi Kivity
2008-09-19 0:20 ` Avi Kivity
2008-09-19 0:42 ` Jeremy Fitzhardinge
2008-09-19 0:42 ` Jeremy Fitzhardinge
2008-09-24 12:31 ` Avi Kivity
2008-09-24 12:31 ` Avi Kivity
2008-09-25 18:32 ` Jeremy Fitzhardinge
2008-09-25 18:32 ` Jeremy Fitzhardinge
2008-09-26 10:26 ` Martin Schwidefsky
2008-09-26 10:26 ` Martin Schwidefsky
2008-09-19 17:45 ` Benjamin Herrenschmidt
2008-09-19 17:45 ` Benjamin Herrenschmidt
2008-09-17 23:50 ` MinChan Kim
2008-09-17 23:50 ` MinChan Kim
2008-09-18 6:58 ` KOSAKI Motohiro
2008-09-18 6:58 ` KOSAKI Motohiro
2008-09-18 7:26 ` KAMEZAWA Hiroyuki
2008-09-18 7:26 ` KAMEZAWA Hiroyuki
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