KVM_HPAGE_SIZE     55 include/asm-x86/kvm_host.h #define KVM_HPAGE_MASK (~(KVM_HPAGE_SIZE - 1))
KVM_HPAGE_SIZE     57 include/asm-x86/kvm_host.h #define KVM_PAGES_PER_HPAGE (KVM_HPAGE_SIZE / PAGE_SIZE)