PV_MOD
#define MR4_4C(pte) (((pte) >> PG_M_SHIFT) & (PV_MOD | PV_REF))
rv = VM_MDPAGE_PVHEAD(pg)->pv_flags & PV_MOD;
VM_MDPAGE_PVHEAD(pg)->pv_flags &= ~PV_MOD;
return (VM_MDPAGE_PVHEAD(pg)->pv_flags & PV_MOD ||
pv_syncflags4_4c(pg) & PV_MOD);
pvh->pv_va |= PV_MOD;
pv->pv_va |= PV_MOD;
if (pv->pv_va & PV_MOD)
if (pv->pv_va & PV_MOD) {
pv->pv_va &= ~PV_MOD;
if (pv->pv_va & PV_MOD) {
pv->pv_va &= ~PV_MOD;
if (pv->pv_va & PV_MOD)
if (npv->pv_va & PV_MOD) {
npv->pv_va &= ~PV_MOD;
pv->pv_va |= PV_MOD;
pv->pv_va |= PV_MOD;
pv->pv_va |= PV_MOD;
pv->pv_va |= PV_MOD;
pvh->pv_va &= (PV_REF|PV_MOD);
pvh->pv_va |= PV_MOD;
rv = *pv_flags & PV_MOD;
*pv_flags &= ~PV_MOD;
if ((*pv_flags & PV_MOD) == 0)
rv = (*pv_flags & PV_MOD);
rv = *pv_flags & PV_MOD;
*pv_flags &= ~PV_MOD;
if ((*pv_flags & PV_MOD) == 0)
rv = (*pv_flags & PV_MOD);