Symbol: OBJPR_VALIDONLY
sys/kern/vfs_vnops.c
2784
vm_object_page_remove(object, start, end, OBJPR_VALIDONLY);
sys/vm/vm_object.c
2021
if ((options & OBJPR_VALIDONLY) != 0 && vm_page_none_valid(p))
sys/vm/vm_object.c
2038
if ((options & OBJPR_VALIDONLY) != 0 && vm_page_none_valid(p)) {