segspt_ops can be static
There is nothing that needs access to this structure outside of the spt
segment driver itself.

*** 74,84 ****
  static int segspt_unmap(struct seg *seg, caddr_t raddr, size_t ssize);
  static void segspt_free(struct seg *seg);
  static void segspt_free_pages(struct seg *seg, caddr_t addr, size_t len);
  static lgrp_mem_policy_info_t *segspt_getpolicy(struct seg *seg, caddr_t addr);
  
! const struct seg_ops segspt_ops = {
          .unmap          = segspt_unmap,
          .free           = segspt_free,
          .getpolicy      = segspt_getpolicy,
  };
  
--- 74,84 ----
  static int segspt_unmap(struct seg *seg, caddr_t raddr, size_t ssize);
  static void segspt_free(struct seg *seg);
  static void segspt_free_pages(struct seg *seg, caddr_t addr, size_t len);
  static lgrp_mem_policy_info_t *segspt_getpolicy(struct seg *seg, caddr_t addr);
  
! static const struct seg_ops segspt_ops = {
          .unmap          = segspt_unmap,
          .free           = segspt_free,
          .getpolicy      = segspt_getpolicy,
  };