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RE: [Xen-devel] doesn't Xen itself use 1g super page to make the direct 1:1 mapping ?


  • To: Jan Beulich <JBeulich@xxxxxxxxxx>
  • From: "Li, Xin" <xin.li@xxxxxxxxx>
  • Date: Mon, 30 May 2011 22:01:21 +0800
  • Accept-language: zh-CN, en-US
  • Acceptlanguage: zh-CN, en-US
  • Cc: xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, Keir Fraser <keir@xxxxxxx>
  • Delivery-date: Mon, 30 May 2011 07:09:20 -0700
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: Acwe0Y3uB0mUqfUnRyeMBOvMkSFNLgAAERVw
  • Thread-topic: [Xen-devel] doesn't Xen itself use 1g super page to make the direct 1:1 mapping ?

Then we need to update __spurious_page_fault to include 1g super page case.
Thanks!
-Xin

> -----Original Message-----
> From: Jan Beulich [mailto:JBeulich@xxxxxxxxxx]
> Sent: Monday, May 30, 2011 9:58 PM
> To: Li, Xin
> Cc: xen-devel; Keir Fraser
> Subject: Re: [Xen-devel] doesn't Xen itself use 1g super page to make the 
> direct 1:1
> mapping ?
> 
> >>> On 30.05.11 at 15:32, "Li, Xin" <xin.li@xxxxxxxxx> wrote:
> > Why not?
> 
> It does (or at least is supposed to do so), and has been for quite a
> long time. What made you think is doesn't?
> 
> Jan


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