Function vm_page_release_locked

freebsd/vm/vm_page.c:4219–4245

See vm_page_release(). */

/* See vm_page_release(). */
void
vm_page_release_locked(vm_page_t m, int flags)
{

	VM_OBJECT_ASSERT_WLOCKED(m->object);
	KASSERT((m->oflags & VPO_UNMANAGED) == 0,
	    ("vm_page_release_locked: page %p is unmanaged", m));

	if (vm_page_unwire_noq(m)) {
		if ((flags & VPR_TRYFREE) != 0 &&
		    (m->object->ref_count == 0 || !pmap_page_is_mapped(m)) &&
		    m->dirty == 0 && vm_page_tryxbusy(m)) {
			/*
			 * An unlocked lookup may have wired the page before the
			 * busy lock was acquired, in which case the page must
			 * not be freed.
			 */
			if (__predict_true(!vm_page_wired(m))) {
				vm_page_free(m);
				return;
			}
			vm_page_xunbusy(m);
		} else {
			vm_page_release_toq(m, PQ_INACTIVE, flags != 0);
		}
	}
}

static bool
vm_page_try_blocked_op(vm_page_t m, void (*op)(vm_page_t))