Lines Matching defs:uobj

62  * uobj | d/c |       | d/c |                   |  V  |     +----+  |
68  *	no amap or uobj is present.   this is an error.
72  *		I/O takes place in upper level anon and uobj is not touched.
76  *   case [2]: lower layer fault [uobj]
77  *     2A: [read on non-NULL uobj] or [write to non-copy_on_write area]
79  *     2B: [write to copy_on_write] or [read on NULL uobj]
80  *		data is "promoted" from uobj to a new anon.
81  *		if uobj is null, then we zero fill.
108  *           - ensure source page is resident (if uobj)
110  *		fill if uobj == NULL)
496 	struct uvm_object *uobj = NULL;
501 		uobj = uobjpage->uobject;
503 	KASSERT(uobj == NULL || rw_lock_held(uobj->vmobjlock));
514 		uvmfault_unlockall(ufi, amap, uobj);
674 			struct uvm_object *uobj = ufi.entry->object.uvm_obj;
684 			if (uobj != NULL && uobj->pgops->pgo_fault != NULL) {
685 				rw_enter(uobj->vmobjlock, RW_WRITE);
687 				error = uobj->pgops->pgo_fault(&ufi,
722 	struct uvm_object *uobj;
784 	uobj = ufi->entry->object.uvm_obj;	/* lower layer */
790 	if (amap == NULL && uobj == NULL) {
799 	if (uobj != NULL && amap != NULL &&
858 		if (uobj) {
862 			rw_enter(uobj->vmobjlock, RW_WRITE);
863 			(void) uobj->pgops->pgo_flush(uobj, uoff, uoff +
865 			rw_exit(uobj->vmobjlock);
1138  * uvm_fault_lower_lookup: look up on-memory uobj pages.
1150 	struct uvm_object *uobj = ufi->entry->object.uvm_obj;
1156 	rw_enter(uobj->vmobjlock, flt->lower_lock_type);
1160 	(void) uobj->pgops->pgo_get(uobj,
1233  *	1. check uobj
1239  *	3. if uobj is not ZFOD and page is not found, do i/o.
1247 	struct uvm_object *uobj = ufi->entry->object.uvm_obj;
1260 	if (uobj == NULL) {
1270 	 * faulted on).  if we have faulted on the bottom (uobj)
1281 	KASSERT(uobj == NULL ||
1282 	    rw_status(uobj->vmobjlock) == flt->lower_lock_type);
1290 	if (uobj == NULL) {
1316 		error = uvm_fault_lower_io(ufi, flt, &uobj, &uobjpage);
1350 	        KASSERT(uobj == NULL ||
1351 	            rw_status(uobj->vmobjlock) == flt->lower_lock_type);
1388 			rw_exit(uobj->vmobjlock);
1389 			uobj = NULL;
1406 			uvmfault_unlockall(ufi, amap, uobj);
1420 	 * anon must be write locked (promotion).  uobj can be either.
1426 	KASSERT(uobj == NULL ||
1427 	    rw_status(uobj->vmobjlock) == flt->lower_lock_type);
1449 		uvmfault_unlockall(ufi, amap, uobj);
1477 			KASSERT(uobj != NULL);
1478 			KASSERT(uobj->vmobjlock == pg->uobject->vmobjlock);
1488 		uao_dropswap(uobj, pg->offset >> PAGE_SHIFT);
1495 	uvmfault_unlockall(ufi, amap, uobj);
1515 	struct uvm_object *uobj = *ruobj;
1533 	KASSERT(rw_write_held(uobj->vmobjlock));
1538 	result = uobj->pgops->pgo_get(uobj, uoff, &pg, &gotpages,
1556 		uobj = NULL;
1567 		uobj = pg->uobject;
1568 		rw_enter(uobj->vmobjlock, flt->lower_lock_type);
1598 			rw_exit(uobj->vmobjlock);
1606 	*ruobj = uobj;
1762     struct uvm_object *uobj)
1764 	if (uobj)
1765 		rw_exit(uobj->vmobjlock);