DEFINE_XEN_MMU_PTEP_MODIFY_PROT  324 include/trace/events/xen.h DEFINE_XEN_MMU_PTEP_MODIFY_PROT(xen_mmu_ptep_modify_prot_start);
DEFINE_XEN_MMU_PTEP_MODIFY_PROT  325 include/trace/events/xen.h DEFINE_XEN_MMU_PTEP_MODIFY_PROT(xen_mmu_ptep_modify_prot_commit);