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

*** 1624,1634 ****
          vmem_free(vmp, slab, slabsize);
  
  vmem_alloc_failure:
  
          kmem_log_event(kmem_failure_log, cp, NULL, NULL);
!         atomic_add_64(&cp->cache_alloc_fail, 1);
  
          return (NULL);
  }
  
  /*
--- 1624,1634 ----
          vmem_free(vmp, slab, slabsize);
  
  vmem_alloc_failure:
  
          kmem_log_event(kmem_failure_log, cp, NULL, NULL);
!         atomic_inc_64(&cp->cache_alloc_fail);
  
          return (NULL);
  }
  
  /*
*** 1993,2003 ****
                  mtbf = 0;
          }
  
          if (mtbf || (construct && cp->cache_constructor != NULL &&
              cp->cache_constructor(buf, cp->cache_private, kmflag) != 0)) {
!                 atomic_add_64(&cp->cache_alloc_fail, 1);
                  btp->bt_bxstat = (intptr_t)bcp ^ KMEM_BUFTAG_FREE;
                  if (cp->cache_flags & KMF_DEADBEEF)
                          copy_pattern(KMEM_FREE_PATTERN, buf, cp->cache_verify);
                  kmem_slab_free(cp, buf);
                  return (1);
--- 1993,2003 ----
                  mtbf = 0;
          }
  
          if (mtbf || (construct && cp->cache_constructor != NULL &&
              cp->cache_constructor(buf, cp->cache_private, kmflag) != 0)) {
!                 atomic_inc_64(&cp->cache_alloc_fail);
                  btp->bt_bxstat = (intptr_t)bcp ^ KMEM_BUFTAG_FREE;
                  if (cp->cache_flags & KMF_DEADBEEF)
                          copy_pattern(KMEM_FREE_PATTERN, buf, cp->cache_verify);
                  kmem_slab_free(cp, buf);
                  return (1);
*** 2601,2611 ****
                  return (buf);
          }
  
          if (cp->cache_constructor != NULL &&
              cp->cache_constructor(buf, cp->cache_private, kmflag) != 0) {
!                 atomic_add_64(&cp->cache_alloc_fail, 1);
                  kmem_slab_free(cp, buf);
                  return (NULL);
          }
  
          return (buf);
--- 2601,2611 ----
                  return (buf);
          }
  
          if (cp->cache_constructor != NULL &&
              cp->cache_constructor(buf, cp->cache_private, kmflag) != 0) {
!                 atomic_inc_64(&cp->cache_alloc_fail);
                  kmem_slab_free(cp, buf);
                  return (NULL);
          }
  
          return (buf);
*** 4875,4885 ****
                          return;
                  }
          } else if (cp->cache_constructor != NULL &&
              cp->cache_constructor(callback->kmm_to_buf, cp->cache_private,
              KM_NOSLEEP) != 0) {
!                 atomic_add_64(&cp->cache_alloc_fail, 1);
                  KMEM_STAT_ADD(kmem_move_stats.kms_constructor_fail);
                  kmem_slab_free(cp, callback->kmm_to_buf);
                  kmem_move_end(cp, callback);
                  return;
          }
--- 4875,4885 ----
                          return;
                  }
          } else if (cp->cache_constructor != NULL &&
              cp->cache_constructor(callback->kmm_to_buf, cp->cache_private,
              KM_NOSLEEP) != 0) {
!                 atomic_inc_64(&cp->cache_alloc_fail);
                  KMEM_STAT_ADD(kmem_move_stats.kms_constructor_fail);
                  kmem_slab_free(cp, callback->kmm_to_buf);
                  kmem_move_end(cp, callback);
                  return;
          }