MAP_WIRED
flags |= cvtto_bsd_mask(fl, LINUX_MAP_LOCKED, MAP_WIRED);
if ((flags & MAP_WIRED) != 0 || (map->flags & VM_MAP_WIREFUTURE) != 0) {
ADDFLAG(flagbuf, flags, MAP_WIRED);
MAP_ANON | MAP_PRIVATE | MAP_WIRED, -1, (off_t)0);
static const int flags = MAP_ANON | MAP_PRIVATE | MAP_WIRED;