kvm_s390_get_guest_page
int kvm_s390_get_guest_page(struct kvm *kvm, struct guest_fault *f, gfn_t gfn, bool w);
rc = kvm_s390_get_guest_page(kvm, f, gpa_to_gfn(gaddr), false);
rc = kvm_s390_get_guest_page(kvm, guest_faults + i, start + i, write_attempt);
return kvm_s390_get_guest_page(kvm, entries + LEVEL_MEM, gpa_to_gfn(saddr), false);
return kvm_s390_get_guest_page(kvm, entries + LEVEL_MEM, table.pte.pfra, wr);