PT_GUEST_ACCESSED_SHIFT   75 arch/x86/kvm/paging_tmpl.h #define PT_GUEST_ACCESSED_MASK (1 << PT_GUEST_ACCESSED_SHIFT)
PT_GUEST_ACCESSED_SHIFT  442 arch/x86/kvm/paging_tmpl.h 			(PT_GUEST_DIRTY_SHIFT - PT_GUEST_ACCESSED_SHIFT);