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Re: [Xen-devel] [PATCH] [DOCS/RFC]: Xen: Clarification to terms used in hypervisor memory management

At 17:49 +0100 on 27 May (1432748951), Andrew Cooper wrote:
> RFC: All changes here are subject to my current understanding, which might be 
> wrong
> Memory management is hard[citation needed].  Furthermore, it isn't helped by
> the inconsistent use of terms through the code.
> Describe the currently-used terms in more practical terms.
> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

Acked-by: Tim Deegan <tim@xxxxxxx>

> The term 'pfn' is most little awkward, as it currently has two uses in
> different areas of the code.  I would argue that the caller of the pagetable
> code ought to know exactly if it dealing with an mfn or a gfn in the
> pagetables, at which point pfn from the old point of view becomes redundant.

Yes, I would hope that we can go that direction over time.



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