FOLL_NOWAIT       642 mm/gup.c       	if (*flags & FOLL_NOWAIT)
FOLL_NOWAIT      4463 mm/hugetlb.c   			if (flags & FOLL_NOWAIT)
FOLL_NOWAIT      1563 virt/kvm/kvm_main.c 		flags |= FOLL_NOWAIT;