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Re: [Xen-devel] Fwd: Re: struct page field arrangement
| To: | Jan Beulich <jbeulich@xxxxxxxxxx>, Keir Fraser <keir@xxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] Fwd: Re: struct page field arrangement |
| From: | Keir Fraser <keir@xxxxxxxxxxxxx> |
| Date: | Thu, 01 Mar 2007 13:42:04 +0000 |
| Cc: | xen-devel@xxxxxxxxxxxxxxxxxxx |
| Delivery-date: | Thu, 01 Mar 2007 05:41:23 -0800 |
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| Thread-topic: | [Xen-devel] Fwd: Re: struct page field arrangement |
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On 1/3/07 12:50, "Jan Beulich" <jbeulich@xxxxxxxxxx> wrote: > I didn't check what private is being used for - while it can't be used for > PageForeign's destructor pointer, perhaps netback could use that one > rather than index? Or, even more likely, netback could use mapping if > PageForeign was switched over to index (while mapping overlays ptl, that > is benign to netback as it's not dealing with pte pages). But of course, > this requires thorough auditing of other uses of index. Since PageForeign is only used for pagetables (for which you checked ->index should be okay) and for skbuff data (where we already use ->index in netback) then changing PageForeign to put the callback in ->index should be fine. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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