139     vm_map_entry_t gap_entry);
4196 vm_map_growstack(vm_map_t map, vm_offset_t addr, vm_map_entry_t gap_entry)  in vm_map_growstack()  argument
4233 	if (gap_entry == NULL && !vm_map_lookup_entry(map, addr, &gap_entry))  in vm_map_growstack()
4235 	if ((gap_entry->eflags & MAP_ENTRY_GUARD) == 0)  in vm_map_growstack()
4237 	if ((gap_entry->eflags & MAP_ENTRY_STACK_GAP_DN) != 0) {  in vm_map_growstack()
4238 		stack_entry = gap_entry->next;  in vm_map_growstack()
4240 		    stack_entry->start != gap_entry->end)  in vm_map_growstack()
4244 	} else if ((gap_entry->eflags & MAP_ENTRY_STACK_GAP_UP) != 0) {  in vm_map_growstack()
4245 		stack_entry = gap_entry->prev;  in vm_map_growstack()
4247 		    stack_entry->end != gap_entry->start)  in vm_map_growstack()
4255 	    gap_entry->next_read;  in vm_map_growstack()
4256 	max_grow = gap_entry->end - gap_entry->start;  in vm_map_growstack()
4337 		gap_entry = NULL;  in vm_map_growstack()
4343 		grow_start = gap_entry->end - grow_amount;  in vm_map_growstack()
4344 		if (gap_entry->start + grow_amount == gap_entry->end) {  in vm_map_growstack()
4345 			gap_start = gap_entry->start;  in vm_map_growstack()
4346 			gap_end = gap_entry->end;  in vm_map_growstack()
4347 			vm_map_entry_delete(map, gap_entry);  in vm_map_growstack()
4350 			MPASS(gap_entry->start < gap_entry->end - grow_amount);  in vm_map_growstack()
4351 			gap_entry->end -= grow_amount;  in vm_map_growstack()
4352 			vm_map_entry_resize_free(map, gap_entry);  in vm_map_growstack()
4366 				gap_entry->end += grow_amount;  in vm_map_growstack()
4367 				vm_map_entry_resize_free(map, gap_entry);  in vm_map_growstack()
4383 			if (gap_entry->start + grow_amount == gap_entry->end)  in vm_map_growstack()
4384 				vm_map_entry_delete(map, gap_entry);  in vm_map_growstack()
4386 				gap_entry->start += grow_amount;  in vm_map_growstack()