sys/vm/vm_map.c

1500 vm_map_entry_resize(vm_map_t map, vm_map_entry_t entry, vm_size_t grow_amount)
1509 	entry->end += grow_amount;
4602 	vm_size_t grow_amount, guard, max_grow;
4641 		grow_amount = round_page(stack_entry->start - addr);
4648 		grow_amount = round_page(addr + 1 - stack_entry->end);
4660 	if (grow_amount > max_grow)
4669 	if (is_procstack && (ctob(vm->vm_ssize) + grow_amount > stacklim))
4676 		    ctob(vm->vm_ssize) + grow_amount)) {
4684 	grow_amount = roundup(grow_amount, sgrowsiz);
4685 	if (grow_amount > max_grow)
4686 		grow_amount = max_grow;
4687 	if (is_procstack && (ctob(vm->vm_ssize) + grow_amount > stacklim)) {
4688 		grow_amount = trunc_page((vm_size_t)stacklim) -
4696 	if (is_procstack && (ctob(vm->vm_ssize) + grow_amount > limit))
4697 		grow_amount = limit - ctob(vm->vm_ssize);
4701 		if (ptoa(pmap_wired_count(map->pmap)) + grow_amount > lmemlim) {
4709 			    ptoa(pmap_wired_count(map->pmap)) + grow_amount)) {
4720 	if (map->size + grow_amount > vmemlim) {
4727 		if (racct_set(p, RACCT_VMEM, map->size + grow_amount)) {
4743 		grow_start = gap_entry->end - grow_amount;
4744 		if (gap_entry->start + grow_amount == gap_entry->end) {
4750 			MPASS(gap_entry->start < gap_entry->end - grow_amount);
4751 			vm_map_entry_resize(map, gap_entry, -grow_amount);
4755 		    grow_start + grow_amount,
4766 				    grow_amount);
4773 		if (cred != NULL && !swap_reserve_by_cred(grow_amount, cred))
4780 		    grow_amount, cred != NULL)) {
4781 			if (gap_entry->start + grow_amount == gap_entry->end) {
4784 				    grow_amount);
4786 				gap_entry->start += grow_amount;
4787 				stack_entry->end += grow_amount;
4789 			map->size += grow_amount;
4795 		vm->vm_ssize += btoc(grow_amount);
4802 		    grow_start + grow_amount,