define the wrapper function for mem_isovermem(). (a regression in rt21818)
define the wrapper function for mem_isovermem().
(a regression in rt21818)

pecharmin/bind9,each/bind9-collab,each/bind9-collab,each/bind9-collab,each/bind9-collab,pecharmin/bind9,each/bind9-collab,pecharmin/bind9,pecharmin/bind9,each/bind9-collab,pecharmin/bind9,pecharmin/bind9