atomic_add_32
#define atomic_inc_32(x) atomic_add_32(x, 1)
atomic_add_32(&priv->info.nfinfo_used, 1);
atomic_add_32(&priv->info.nfinfo_export_failed, 1);
atomic_add_32(&priv->info.nfinfo_alloc_failed, 1);
atomic_add_32(&priv->info.nfinfo_act_exp, 1);
atomic_add_32(&priv->info.nfinfo_act_exp, 1);
atomic_add_32(&priv->info.nfinfo_inact_exp, 1);