sys/uvm/uvm_map.c

874 	amap_ref(entry->aref.ar_amap, entry->aref.ar_pageoff,
886 	amap_unref(entry->aref.ar_amap, entry->aref.ar_pageoff,
950 	if (entry1->aref.ar_amap) {
951 		amap_splitref(&entry1->aref, &entry2->aref, adj);
1354 		if (prev_entry->aref.ar_amap &&
1355 		    amap_refs(prev_entry->aref.ar_amap) != 1) {
1359 		if (prev_entry->aref.ar_amap) {
1427 		if (prev_entry->next->aref.ar_amap &&
1428 		    (amap_refs(prev_entry->next->aref.ar_amap) != 1 ||
1429 		     (merged && prev_entry->aref.ar_amap))) {
1440 			if (prev_entry->aref.ar_amap) {
1458 			else if (prev_entry->next->aref.ar_amap) {
1470 			if (prev_entry->next->aref.ar_amap) {
1506 			if (dead->aref.ar_amap != NULL) {
1507 				prev_entry->aref = dead->aref;
1508 				dead->aref.ar_amap = NULL;
1579 			new_entry->aref.ar_pageoff = 0;
1580 			new_entry->aref.ar_amap = amap;
1582 			new_entry->aref.ar_pageoff = 0;
1583 			new_entry->aref.ar_amap = NULL;
2337 		} else if (UVM_ET_ISOBJ(entry) || entry->aref.ar_amap) {
2443 		    (uintptr_t)first_entry->aref.ar_amap,
2451 		if (first_entry->aref.ar_amap)
2549 	    oldent->object.uvm_obj != NULL || oldent->aref.ar_amap != NULL) {
2828 		newentry->aref.ar_amap = entry->aref.ar_amap;
2829 		if (newentry->aref.ar_amap) {
2830 			newentry->aref.ar_pageoff =
2831 			    entry->aref.ar_pageoff + (fudge >> PAGE_SHIFT);
2835 			newentry->aref.ar_pageoff = 0;
3044 	    entry->object.uvm_obj == NULL && entry->aref.ar_amap == NULL &&
3355 		struct vm_amap * const amap = entry->aref.ar_amap;
3942 		amap = current->aref.ar_amap;	/* upper layer */
3962 			anon = amap_lookup(&current->aref, offset);
4015 				amap_unadd(&current->aref, offset);
4384 	if (new_entry->aref.ar_amap)
4476 	if (old_entry->aref.ar_amap != NULL) {
4477 		if ((amap_flags(old_entry->aref.ar_amap) & AMAP_SHARED) != 0 ||
4504 		if (old_entry->aref.ar_amap)
4516 		if (old_entry->aref.ar_amap &&
4548 	if (new_entry->aref.ar_amap) {
4550 		new_entry->aref.ar_pageoff = 0;
4551 		new_entry->aref.ar_amap = NULL;
4667 	if (entry->aref.ar_amap != NULL) {
4682 	    ((copying && next->aref.ar_amap != NULL &&
4683 	    amap_refs(next->aref.ar_amap) == 1) ||
4684 	    (!copying && next->aref.ar_amap == NULL)) &&
4709 				entry->aref = next->aref;
4721 	    ((copying && !merged && prev->aref.ar_amap != NULL &&
4722 	    amap_refs(prev->aref.ar_amap) == 1) ||
4723 	    (!copying && prev->aref.ar_amap == NULL)) &&
4750 				entry->aref = prev->aref;
4849 	if (entry->aref.ar_amap != NULL) {
4850 		amap_lock(entry->aref.ar_amap, op);
4864 	if (entry->aref.ar_amap != NULL) {
4865 		amap_unlock(entry->aref.ar_amap);
4991 		if (__predict_true(entry->aref.ar_amap != NULL &&
4993 			amap_lock(entry->aref.ar_amap, RW_WRITER);
4994 			anon = amap_lookup(&entry->aref, start - entry->start);
4999 			amap_unlock(entry->aref.ar_amap);
5041 	if (entry->aref.ar_amap) {
5042 		amap_lock(entry->aref.ar_amap, RW_WRITER);
5043 		anon = amap_lookup(&entry->aref, start - entry->start);
5045  found_anon:		KASSERT(anon->an_lock == entry->aref.ar_amap->am_lock);
5053 		amap_unlock(entry->aref.ar_amap);
5183 		    (long long)entry->offset, entry->aref.ar_amap,
5184 		    entry->aref.ar_pageoff);