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[Xen-devel][VTD] 1:1 mapping for dom0 exhausts xenheap on x86/32 with 4G
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| Subject: | [Xen-devel][VTD] 1:1 mapping for dom0 exhausts xenheap on x86/32 with 4G memory |
| From: | "Han, Weidong" <weidong.han@xxxxxxxxx> |
| Date: | Fri, 28 Sep 2007 13:26:18 +0800 |
| Cc: | "Kay, Allen M" <allen.m.kay@xxxxxxxxx>, Keir Fraser <keir@xxxxxxxxxxxxx> |
| Delivery-date: | Thu, 27 Sep 2007 22:27:00 -0700 |
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| Thread-index: | AcgBkBj9hxSsSLqpQVyYGgB006zGCw== |
| Thread-topic: | [Xen-devel][VTD] 1:1 mapping for dom0 exhausts xenheap on x86/32 with 4G memory |
xenheap size is 9M on x86/32 xen, it's not enough to setup 1:1 page tables for dom0. It causes dom0 cannot boot successfully. Setup 1:1 page table in domheap still might be a problem since the thinking is to use the same 1:1 page table for both dom0 and PV domains. Currently I think of two options: 1) go back to original method, that's to say setup page table dynamically for dom0; 2) increase xenheap size on x86/32. How do you think about? Thanks. Weidong _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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