Function vm_object_collapse_wait

freebsd/vm/vm_object.c:836–846

* Wait for a concurrent collapse to settle. */

 * Wait for a concurrent collapse to settle.
 */
static void
vm_object_collapse_wait(vm_object_t object)
{

	VM_OBJECT_ASSERT_WLOCKED(object);

	while ((object->flags & OBJ_COLLAPSING) != 0) {
		vm_object_pip_wait(object, "vmcolwait");
		counter_u64_add(object_collapse_waits, 1);
	}
}

/*
 * Waits for a backing object to clear a pending collapse and returns