Function vm_page_insert_radixdone

freebsd/vm/vm_page.c:1567–1605

* vm_page_insert_radixdone: * * Complete page "m" insertion into the specified object after the * radix trie hooking. * * The page "mpred" must precede the offset "m->pindex" within the * specified object. * * The object must be locked. */

 *	The object must be locked.
 */
static void
vm_page_insert_radixdone(vm_page_t m, vm_object_t object, vm_page_t mpred)
{

	VM_OBJECT_ASSERT_WLOCKED(object);
	KASSERT(object != NULL && m->object == object,
	    ("vm_page_insert_radixdone: page %p has inconsistent object", m));
	KASSERT((m->ref_count & VPRC_OBJREF) != 0,
	    ("vm_page_insert_radixdone: page %p is missing object ref", m));
	if (mpred != NULL) {
		KASSERT(mpred->object == object,
		    ("vm_page_insert_radixdone: object doesn't contain mpred"));
		KASSERT(mpred->pindex < m->pindex,
		    ("vm_page_insert_radixdone: mpred doesn't precede pindex"));
	}

	if (mpred != NULL)
		TAILQ_INSERT_AFTER(&object->memq, mpred, m, listq);
	else
		TAILQ_INSERT_HEAD(&object->memq, m, listq);

	/*
	 * Show that the object has one more resident page.
	 */
	object->resident_page_count++;

	/*
	 * Hold the vnode until the last page is released.
	 */
	if (object->resident_page_count == 1 && object->type == OBJT_VNODE)
		vhold(object->handle);

	/*
	 * Since we are inserting a new and possibly dirty page,
	 * update the object's generation count.
	 */
	if (pmap_page_is_write_mapped(m))
		vm_object_set_writeable_dirty(object);
}

/*
 * Do the work to remove a page from its object.  The caller is responsible for