PVF_WIRED
if (pv->pv_flags & PVF_WIRED)
if (pv->pv_flags & PVF_WIRED) {
if ((flags ^ oflags) & PVF_WIRED) {
if (flags & PVF_WIRED)
if (pv->pv_flags & PVF_WIRED)
nflags |= PVF_WIRED;
PVF_WRITE | PVF_EXEC | PVF_WIRED |
PVF_WIRED | PVF_KENTRY
(void) pmap_modify_pv(md, pa, pm, va, PVF_WIRED, 0);