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Here are the relevant details. all help is greatly appreciated. xenbox linux # uname -a Linux xenbox.localhost 2.6.14-gentoo-r2 #2 Mon Dec 5 16:17:58 Local time zone must be set--see zic manua x86_64 Intel(R) Xeon(TM) CPU 3.00GHzGenuineIntel GNU/Linux xenbox linux # lspci 0000:00:00.0 Host bridge: Intel Corporation E7520 Memory Controller Hub (rev 0c) 0000:00:00.1 Class ff00: Intel Corporation

This patch to the balloon driver eliminates the need for a user-space program to slosh memory between domains and xen. This uses a proc file at /proc/xen/memory_target. When read it reports memory the domain owns in bytes. Writing a new value to the memory_target proc file will cause the domain to exchange memory with xen to reach the target. A xenolinux domain cannot grow bigger than it was

make balloon driver not return pages which are in [xen_start_info->nr_pages, max_pfn] on ia64. On ia64 memory might be assigned sparsely. In that case xen_start_info->nr_pages and max_pfn doesn''t match while pages which are in [xen_start_info->nr_pages, max_pfn] are used. -- yamahata _______________________________________________ Xen-devel mailing list

Unlike full virtualization in which the virtual machine provides the same platform interface as running natively on the hardware, paravirtualization requires modification to the guest operating system to work with the platform interface provided by the hypervisor. Xen was designed with performance in mind. Calls to the hypervisor are minimized, batched if necessary, and non-critical codepaths

Unlike full virtualization in which the virtual machine provides the same platform interface as running natively on the hardware, paravirtualization requires modification to the guest operating system to work with the platform interface provided by the hypervisor. Xen was designed with performance in mind. Calls to the hypervisor are minimized, batched if necessary, and non-critical codepaths