1 files changed, 11 insertions, 0 deletions
diff --git a/sys/sun4v/sun4v/pmap.c b/sys/sun4v/sun4v/pmap.c
index d3b8c79..2633b8e 100644
--- a/sys/sun4v/sun4v/pmap.c
+++ b/sys/sun4v/sun4v/pmap.c
@@ -1592,6 +1592,17 @@ pmap_is_prefaultable(pmap_t pmap, vm_offset_t va)
 }
 
 /*
+ * Return whether or not the specified physical page was referenced
+ * in any physical maps.
+ */
+boolean_t
+pmap_is_referenced(vm_page_t m)
+{
+
+	return (tte_get_phys_bit(m, VTD_REF));
+}
+
+/*
  * Extract the physical page address associated with the given kernel virtual
  * address.
  */