5045 use atomic_{inc,dec}_* instead of atomic_add_*

@@ -1086,11 +1086,11 @@
 
         /*
          * In either case, we increment softlockcnt on the 'real' segment.
          */
         sptd->spt_pcachecnt++;
-        atomic_add_long((ulong_t *)(&(shmd->shm_softlockcnt)), 1);
+        atomic_inc_ulong((ulong_t *)(&(shmd->shm_softlockcnt)));
 
         ppa = sptd->spt_ppa;
         for (an_idx = pg_idx; an_idx < pg_idx + npages; ) {
                 if (ppa[an_idx] == NULL) {
                         mutex_exit(&sptd->spt_lock);

@@ -1365,11 +1365,11 @@
 
         /*
          * In either case, we increment softlockcnt on the 'real' segment.
          */
         sptd->spt_pcachecnt++;
-        atomic_add_long((ulong_t *)(&(shmd->shm_softlockcnt)), 1);
+        atomic_inc_ulong((ulong_t *)(&(shmd->shm_softlockcnt)));
 
         /*
          * We can now drop the sptd->spt_lock since the ppa[]
          * exists and he have incremented pacachecnt.
          */

@@ -1517,11 +1517,11 @@
 
         /*
          * Now decrement softlockcnt.
          */
         ASSERT(shmd->shm_softlockcnt > 0);
-        atomic_add_long((ulong_t *)(&(shmd->shm_softlockcnt)), -1);
+        atomic_dec_ulong((ulong_t *)(&(shmd->shm_softlockcnt)));
 
         if (shmd->shm_softlockcnt <= 0) {
                 if (async || AS_ISUNMAPWAIT(seg->s_as)) {
                         mutex_enter(&seg->s_as->a_contents);
                         if (async)

@@ -2909,11 +2909,11 @@
                  * in the as_pageunlock path and hopefully get the segment
                  * kicked out of the seg_pcache.  We bump the shm_softlockcnt
                  * to keep this segment resident.
                  */
                 writer = AS_WRITE_HELD(seg->s_as, &seg->s_as->a_lock);
-                atomic_add_long((ulong_t *)(&(shmd->shm_softlockcnt)), 1);
+                atomic_inc_ulong((ulong_t *)(&(shmd->shm_softlockcnt)));
                 AS_LOCK_EXIT(seg->s_as, &seg->s_as->a_lock);
 
                 mutex_enter(&sptd->spt_lock);
 
                 end_lbolt = ddi_get_lbolt() + (hz * spt_pcache_wait);

@@ -2933,11 +2933,11 @@
                 mutex_exit(&sptd->spt_lock);
 
                 /* Regrab the AS_LOCK and release our hold on the segment */
                 AS_LOCK_ENTER(seg->s_as, &seg->s_as->a_lock,
                     writer ? RW_WRITER : RW_READER);
-                atomic_add_long((ulong_t *)(&(shmd->shm_softlockcnt)), -1);
+                atomic_dec_ulong((ulong_t *)(&(shmd->shm_softlockcnt)));
                 if (shmd->shm_softlockcnt <= 0) {
                         if (AS_ISUNMAPWAIT(seg->s_as)) {
                                 mutex_enter(&seg->s_as->a_contents);
                                 if (AS_ISUNMAPWAIT(seg->s_as)) {
                                         AS_CLRUNMAPWAIT(seg->s_as);