[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] RE: [Xen-devel] How to determine memory size in HVM
> > Hypercall XENMEM_current_reservation. > > *But* be aware I'm not sure how that interacts with e.g., virtual > framebuffer memory. Well, actually I know it will include the virtual > framebuffer memory which is not actually really part of normal guest RAM. > The question will be: does the xenstore 'target' value also include it? I > guess you'll have to compare to create a HVM guest and compare the two to > decide. > memory/target = 786432KB XENMEM_current_reservation = 198623 pages 198623 << PAGE_SHIFT = 794492KB 794492KB - 786432KB = 8060KB So I have 8060KB unaccounted for... I guess that's probably the framebuffer. According to Device Manager in Windows, the CL5446 device uses 64KB of memory at 0xA0000, 32MB at 0xF0000000, and 4KB at 0xF3000000. That's more than the extra 8MB, but it would make sense that the 32MB wouldn't all be mapped in if it wasn't required. James _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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