No. This is unavoidable. Mapping physical pages into a local page table is expensive no matter how you spin it. Depending on the data structures, this means dou

No. This is unavoidable. Mapping physical pages into a local page table is expensive no matter how you spin it. Depending on the data structures, this means doubling the time in some cases to allocate a physical page, which is typically 4KiB. Large allocations mean multiple page allocations. It adds up.