Messages in this thread | | | Date | Thu, 07 Aug 2008 17:29:00 -0700 | From | "H. Peter Anvin" <> | Subject | Re: [PATCH]Fix broken VMI in 2.6.27-rc.. |
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Jeremy Fitzhardinge wrote: > >> Yes, and we should add a symbol for the bottom of the 1:1 area as well >> (to disambiguate it from TASK_SIZE). > > Well, that's already called "PAGE_OFFSET". 64-bit needs to be careful > about the distinction anyway, because there's the sign extension hole > between user and kernel space. Xen squeezes itself in just above the > hole, so I moved PAGE_OFFSET up accordingly.
Ah, that explains that strange offset. I was wondering about that.
-hpa
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