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Re: [Xen-devel] Linux: PG_pinned vs. PG_foreign
| To: | Jan Beulich <jbeulich@xxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] Linux: PG_pinned vs. PG_foreign |
| From: | Keir Fraser <keir@xxxxxxxxxxxxx> |
| Date: | Mon, 15 Jan 2007 10:10:59 +0000 |
| Delivery-date: | Mon, 15 Jan 2007 02:10:39 -0800 |
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| Thread-topic: | [Xen-devel] Linux: PG_pinned vs. PG_foreign |
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On 15/1/07 09:38, "Jan Beulich" <jbeulich@xxxxxxxxxx> wrote: > Is it intentional that these two both use PG_arch_1? It seems at least risky > to me... And if intended, it would certainly deserve a comment. (I was about > to utilize PG_pinned for indicating pinned highmem-allocated PTEs when I > realized this collision.) There's no reason to have them use the same bit if there's a PG_arch_2 available. It was probbaly laziness on my part when I realised that (so far) ForeignPage and Pinned are mutually exclusive. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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