6151 use NULL setpagesize segop as a shorthand for ENOTSUP

@@ -480,17 +480,10 @@
     struct page ***ppp, enum lock_type type, enum seg_rw rw)
 {
         return (ENOTSUP);
 }
 
-/*ARGSUSED*/
-static int
-segmf_setpagesize(struct seg *seg, caddr_t addr, size_t len, uint_t szc)
-{
-        return (ENOTSUP);
-}
-
 static int
 segmf_getmemid(struct seg *seg, caddr_t addr, memid_t *memid)
 {
         struct segmf_data *data = seg->s_data;
 

@@ -760,8 +753,7 @@
         .gettype        = segmf_gettype,
         .getvp          = segmf_getvp,
         .advise         = segmf_advise,
         .dump           = segmf_dump,
         .pagelock       = segmf_pagelock,
-        .setpagesize    = segmf_setpagesize,
         .getmemid       = segmf_getmemid,
 };