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[Xen-devel] On x86-32 Xen Address Space

To: Xen-devel@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-devel] On x86-32 Xen Address Space
From: BVK Chaitanya <bayapuneni_chaitanya@xxxxxxxxxxxx>
Date: Sat, 30 Aug 2008 09:50:35 +0530
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Hi,


I was going through Xen address space layout, and i was thinking Xen uses upper 64MB in x86-32 mode and 168MB in x86-32 PAE mode. But from xen/include/asm-x86/config.h it is not clear where different mappings are for 32-bit and 32-bit PAE modes.

I see that FRAMETABLE_MBYTES is hard coded as 96, and other macros are also summing up to 168MB, not 64MB. Does it mean, now Xen takes 168MB in both modes? or am i missing anything?


thanks,
--
bvk-chaitanya

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