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6152 use NULL dump segop as a shorthand for no-op

@@ -134,11 +134,10 @@
 static u_offset_t segspt_shmgetoffset(struct seg *seg, caddr_t addr);
 static int segspt_shmgettype(struct seg *seg, caddr_t addr);
 static int segspt_shmgetvp(struct seg *seg, caddr_t addr, struct vnode **vpp);
 static int segspt_shmadvise(struct seg *seg, caddr_t addr, size_t len,
                         uint_t behav);
-static void segspt_shmdump(struct seg *seg);
 static int segspt_shmpagelock(struct seg *, caddr_t, size_t,
                         struct page ***, enum lock_type, enum seg_rw);
 static int segspt_shmgetmemid(struct seg *, caddr_t, memid_t *);
 static lgrp_mem_policy_info_t *segspt_shmgetpolicy(struct seg *, caddr_t);
 

@@ -158,11 +157,10 @@
         .getprot        = segspt_shmgetprot,
         .getoffset      = segspt_shmgetoffset,
         .gettype        = segspt_shmgettype,
         .getvp          = segspt_shmgetvp,
         .advise         = segspt_shmadvise,
-        .dump           = segspt_shmdump,
         .pagelock       = segspt_shmpagelock,
         .getmemid       = segspt_shmgetmemid,
         .getpolicy      = segspt_shmgetpolicy,
 };
 

@@ -3006,17 +3004,10 @@
         }
 
         return (0);
 }
 
-/*ARGSUSED*/
-void
-segspt_shmdump(struct seg *seg)
-{
-        /* no-op for ISM segment */
-}
-
 /*
  * get a memory ID for an addr in a given segment
  */
 static int
 segspt_shmgetmemid(struct seg *seg, caddr_t addr, memid_t *memidp)