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Re: [Xen-devel] [PATCH 3/4] x86/mm: Use a more descriptive name for pagetable mfns


  • To: George Dunlap <george.dunlap@xxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxxx>
  • From: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
  • Date: Thu, 12 Dec 2019 19:59:35 +0000
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  • Cc: Jan Beulich <jbeulich@xxxxxxxx>
  • Delivery-date: Thu, 12 Dec 2019 19:59:48 +0000
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On 12/12/2019 17:32, George Dunlap wrote:
> In many places, a PTE being modified is accompanied by the pagetable
> mfn which contains the PTE (primarily in order to be able to maintain
> linear mapping counts).  In many cases, this mfn is stored in the
> non-descript variable (or argement) "pfn".
>
> Replace these names with lNmfn, to indicate that 1) this is a
> pagetable mfn, and 2) that it is the same level as the PTE in
> question.  This should be enough to remind readers that it's the mfn
> containing the PTE.
>
> No functional change.
>
> Signed-off-by: George Dunlap <george.dunlap@xxxxxxxxxx>

Acked-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

Any chance mfn_t can find its way in?

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