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The guest memory is allocated through hugetlb. Huge page fault is triggered by writing a byte to the starting address for each huge page. In hugetlb_fault(), The physical pages are allocated and *clear*. So no need to erasing the memory again after hugetlb setup. This will bring about 130ms (changes with platform) latency for each 1G memory. Notice: this means we depends on kernel to erase the memory in huge page fault! Tracked-On: #7298 Signed-off-by: Conghui <conghui.chen@intel.com> Acked-by: Wang, Yu1 <yu1.wang@intel.com>
ACRN Device Model ################# Introduction ============ The ACRN Device Model provides **device sharing** capabilities between the Service VM and post-launched User VMs. It is a component that is used in conjunction with the `ACRN Hypervisor`_ and is installed within the Service VM. .. _`ACRN Hypervisor`: https://github.com/projectacrn/acrn-hypervisor