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Re: [Xen-devel] what happens when a PoD page is touched?
| To: | Paul Durrant <Paul.Durrant@xxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] what happens when a PoD page is touched? |
| From: | George Dunlap <George.Dunlap@xxxxxxxxxxxxx> |
| Date: | Tue, 17 May 2011 12:32:35 +0100 |
| Cc: | Tim Deegan <Tim.Deegan@xxxxxxxxxxxxx>, James Harper <james.harper@xxxxxxxxxxxxxxxx>, xen devel <xen-devel@xxxxxxxxxxxxxxxxxxx> |
| Delivery-date: | Tue, 17 May 2011 04:33:40 -0700 |
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On Tue, May 17, 2011 at 10:28 AM, Paul Durrant <Paul.Durrant@xxxxxxxxxx> 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 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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