search for: reserve_hugepage_rang

...9;'s for these hugepages and store them in the list. The listhead of this list is inside the domain structure with name "hugepage_list". When the domain is booting, at that time the memory seen by the kernel is allocated memory  less the amount required for hugepages. The function reserve_hugepage_range is called as a initcall. Before this function the xen_extra_mem_start points to this apparent end of the memory. In this function we reserve the PFN range for the hugepages which are going to be allocated by kernel by incrementing the xen_extra_mem_start. We maintain these PFNs as pages in &qu...