6153 use NULL pagelock segop as a shorthand for ENOTSUP
@@ -1972,10 +1972,13 @@ int segop_pagelock(struct seg *seg, caddr_t addr, size_t len, struct page ***page, enum lock_type type, enum seg_rw rw) { + if (seg->s_ops->pagelock == NULL) + return (ENOTSUP); + return (seg->s_ops->pagelock(seg, addr, len, page, type, rw)); } int segop_setpagesize(struct seg *seg, caddr_t addr, size_t len, uint_t szc)