Re: Populating multiple ptes at fault time

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From: Christoph Lameter

Subject: Re: Populating multiple ptes at fault time

Date: Thursday, September 18, 2008 - 2:58 pm

MinChan Kim wrote:

quoted text> In case of file-mapped pages, Shouldn't we use just on-demand
> readahead mechanism in kernel ?

Correct.

quoted text> 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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Messages in current thread:

Populating multiple ptes at fault time, Jeremy Fitzhardinge, (Wed Sep 17, 10:47 am)

Re: Populating multiple ptes at fault time, Rik van Riel, (Wed Sep 17, 11:28 am)

Re: Populating multiple ptes at fault time, Chris Snook, (Wed Sep 17, 1:02 pm)

Re: Populating multiple ptes at fault time, Jeremy Fitzhardinge, (Wed Sep 17, 2:45 pm)

Re: Populating multiple ptes at fault time, Jeremy Fitzhardinge, (Wed Sep 17, 2:47 pm)

Re: Populating multiple ptes at fault time, Avi Kivity, (Wed Sep 17, 3:02 pm)

Re: Populating multiple ptes at fault time, Jeremy Fitzhardinge, (Wed Sep 17, 3:30 pm)

Re: Populating multiple ptes at fault time, Avi Kivity, (Wed Sep 17, 3:47 pm)

Re: Populating multiple ptes at fault time, Jeremy Fitzhardinge, (Wed Sep 17, 4:02 pm)

Re: Populating multiple ptes at fault time, MinChan Kim, (Wed Sep 17, 4:50 pm)

Re: Populating multiple ptes at fault time, KOSAKI Motohiro, (Wed Sep 17, 11:58 pm)

Re: Populating multiple ptes at fault time, KAMEZAWA Hiroyuki, (Thu Sep 18, 12:26 am)

Re: Populating multiple ptes at fault time, Christoph Lameter, (Thu Sep 18, 11:16 am)

Re: Populating multiple ptes at fault time, Jeremy Fitzhardinge, (Thu Sep 18, 11:53 am)

Re: Populating multiple ptes at fault time, Christoph Lameter, (Thu Sep 18, 12:39 pm)

Re: Populating multiple ptes at fault time, Avi Kivity, (Thu Sep 18, 1:26 pm)

Re: Populating multiple ptes at fault time, Martin Bligh, (Thu Sep 18, 1:52 pm)

Re: Populating multiple ptes at fault time, Chris Snook, (Thu Sep 18, 1:53 pm)

Re: Populating multiple ptes at fault time, Martin Bligh, (Thu Sep 18, 2:11 pm)

Re: Populating multiple ptes at fault time, Christoph Lameter, (Thu Sep 18, 2:13 pm)

Re: Populating multiple ptes at fault time, Martin Bligh, (Thu Sep 18, 2:21 pm)

Re: Populating multiple ptes at fault time, Christoph Lameter, (Thu Sep 18, 2:32 pm)

Re: Populating multiple ptes at fault time, MinChan Kim, (Thu Sep 18, 2:49 pm)

Re: Populating multiple ptes at fault time, Christoph Lameter, (Thu Sep 18, 2:58 pm)

Re: Populating multiple ptes at fault time, Martin Bligh, (Thu Sep 18, 3:08 pm)

Re: Populating multiple ptes at fault time, Christoph Lameter, (Thu Sep 18, 3:11 pm)

Re: Populating multiple ptes at fault time, Martin Bligh, (Thu Sep 18, 3:18 pm)

Re: Populating multiple ptes at fault time, Jeremy Fitzhardinge, (Thu Sep 18, 3:18 pm)

Re: Populating multiple ptes at fault time, KOSAKI Motohiro, (Thu Sep 18, 3:21 pm)

Re: Populating multiple ptes at fault time, Jeremy Fitzhardinge, (Thu Sep 18, 3:22 pm)

Re: Populating multiple ptes at fault time, Chris Snook, (Thu Sep 18, 3:23 pm)

Re: Populating multiple ptes at fault time, MinChan Kim, (Thu Sep 18, 4:16 pm)

Re: Populating multiple ptes at fault time, Avi Kivity, (Thu Sep 18, 4:38 pm)

Re: Populating multiple ptes at fault time, Jeremy Fitzhardinge, (Thu Sep 18, 5:00 pm)

Re: Populating multiple ptes at fault time, Avi Kivity, (Thu Sep 18, 5:20 pm)

Re: Populating multiple ptes at fault time, Jeremy Fitzhardinge, (Thu Sep 18, 5:42 pm)

Re: Populating multiple ptes at fault time, Benjamin Herrenschmidt, (Fri Sep 19, 10:45 am)

Re: Populating multiple ptes at fault time, Avi Kivity, (Wed Sep 24, 5:31 am)

Re: Populating multiple ptes at fault time, Jeremy Fitzhardinge, (Thu Sep 25, 11:32 am)