memscrub_add_span_gen
if (memscrub_add_span_gen((pfn_t)(src->ml_address >> PAGESHIFT),
static int memscrub_add_span_gen(pfn_t, pgcnt_t, struct memlist **, uint_t *);
retval = memscrub_add_span_gen(pfn, pages, &memscrub_memlist,