PG_DEV
if ((pg = PHYS_TO_VM_PAGE(addr)) && (pg->pg_flags & PG_DEV) == 0)
else if (pg != NULL && !(pg->pg_flags & PG_DEV) && !nocache)
else if (pg != NULL && !(pg->pg_flags & PG_DEV) && !nocache)
if ((pg->pg_flags & PG_DEV) == 0 && cache != PMAP_CACHE_WB)
PG_DEV);
KASSERT((pg->pg_flags & PG_DEV) == 0);
KASSERT((pg->pg_flags & PG_DEV) == 0);
KASSERT((pg->pg_flags & PG_DEV) == 0);