Instead of checking each page for PG_UNMANAGED, perform a one-time check whether the object is OBJT_PHYS. (PG_UNMANAGED pages only belong to OBJT_PHYS objects.)
Instead of checking each page for PG_UNMANAGED, perform a one-time check whether the object is OBJT_PHYS. (PG_UNMANAGED pages only belong to OBJT_PHYS objects.)