From: George Dunlap <George.Dunlap@eu.citrix.com>
To: Paul Durrant <Paul.Durrant@citrix.com>
Cc: Tim Deegan <Tim.Deegan@eu.citrix.com>,
James Harper <james.harper@bendigoit.com.au>,
xen devel <xen-devel@lists.xensource.com>
Subject: Re: what happens when a PoD page is touched?
Date: Tue, 17 May 2011 12:32:35 +0100 [thread overview]
Message-ID: <BANLkTimSoNdz4thpF-qaa0NngHOBc7wazg@mail.gmail.com> (raw)
In-Reply-To: <291EDFCB1E9E224A99088639C4762022B37FC17A16@LONPMAILBOX01.citrite.net>
On Tue, May 17, 2011 at 10:28 AM, Paul Durrant <Paul.Durrant@citrix.com> wrote:
>> Where does the sweep start? Does it sweep in physical address order
>> from lowest address to highest? If I allocated some memory with a
>> low physical address and zero'd it and then didn't touch it would
>> that be found first?
>>
>
> I can't remember off the top of my head. I think we sweep from low to high.
Just checked: we sweep high to low. I believe that's because that's
the way the Windows scrubber goes.
-George
next prev parent reply other threads:[~2011-05-17 11:32 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-15 10:16 what happens when a PoD page is touched? James Harper
2011-05-16 8:39 ` Tim Deegan
2011-05-16 9:16 ` Paul Durrant
2011-05-16 9:21 ` James Harper
2011-05-16 9:17 ` James Harper
2011-05-16 9:39 ` Tim Deegan
2011-05-16 9:21 ` Paul Durrant
2011-05-16 9:22 ` James Harper
2011-05-16 9:27 ` Paul Durrant
2011-05-16 23:39 ` James Harper
2011-05-17 9:28 ` Paul Durrant
2011-05-17 9:37 ` James Harper
2011-05-17 13:00 ` George Dunlap
2011-05-18 4:52 ` James Harper
2011-05-18 5:20 ` James Harper
2011-05-18 10:23 ` Jan Beulich
2011-05-17 11:32 ` George Dunlap [this message]
2011-05-16 10:05 ` George Dunlap
2011-05-16 23:42 ` James Harper
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