Messages in this thread | | | Date | Thu, 07 Aug 2008 18:19:19 -0700 | From | "H. Peter Anvin" <> | Subject | Re: [PATCH]Fix broken VMI in 2.6.27-rc.. |
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Zachary Amsden wrote: > > Using my interplanetary ideas, linking the fixmap at runtime would allow > optimal placement of the fixmap, any hypervisor areas, vmalloc, and > pkmap space. That might allow one to increase the amount of lowmem > available for direct mapping depending on some platform variables such > as hypervisor reserved space, physical memory size, APIC present.. those > aren't known until boot time. Actually, NCPUs is a good one, since we > require atomic kmap space dependent on NCPUs, which could be given back > to linear memory map. > > That might actually be more worthwhile than link time fixed addresses. >
Yeah, but that's a huge project.
-hpa
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