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-rw-r--r--include/linux/u64_stats_sync.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/u64_stats_sync.h b/include/linux/u64_stats_sync.h
index 8da8c4e87da..7bfabd20204 100644
--- a/include/linux/u64_stats_sync.h
+++ b/include/linux/u64_stats_sync.h
@@ -67,6 +67,13 @@ struct u64_stats_sync {
#endif
};
+
+#if BITS_PER_LONG == 32 && defined(CONFIG_SMP)
+# define u64_stats_init(syncp) seqcount_init(syncp.seq)
+#else
+# define u64_stats_init(syncp) do { } while (0)
+#endif
+
static inline void u64_stats_update_begin(struct u64_stats_sync *syncp)
{
#if BITS_PER_LONG==32 && defined(CONFIG_SMP)