kvm_account_pgtable_pages
kvm_account_pgtable_pages(addr, -1);
kvm_account_pgtable_pages(addr, 1);
kvm_account_pgtable_pages(virt, 1);
kvm_account_pgtable_pages(virt, (size >> PAGE_SHIFT));
kvm_account_pgtable_pages(virt, -(size >> PAGE_SHIFT));
kvm_account_pgtable_pages(addr, -1);
kvm_account_pgtable_pages(pgd, pgd_sz / PAGE_SIZE);
kvm_account_pgtable_pages((void *)sp->spt, +1);
kvm_account_pgtable_pages((void *)sp->spt, -1);
kvm_account_pgtable_pages((void *)sp->spt, +1);
kvm_account_pgtable_pages((void *)sp->spt, -1);