[PATCH net-next] net: align gnet_stats_basic_cpu struct
From: Eric Dumazet <edumazet@google.com>
Date: 2018-11-17 01:56:25
Subsystem:
networking [general], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
This structure is small (12 or 16 bytes depending on 64bit or 32bit kernels), but we do not want it spanning two cache lines. Signed-off-by: Eric Dumazet <edumazet@google.com> --- include/net/gen_stats.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/net/gen_stats.h b/include/net/gen_stats.h
index 946bd53a9f81dff5946579514360a9e5eaf3489b..ca23860adbb956fcfff3605068fdedf59073ce1a 100644
--- a/include/net/gen_stats.h
+++ b/include/net/gen_stats.h@@ -10,7 +10,7 @@ struct gnet_stats_basic_cpu { struct gnet_stats_basic_packed bstats; struct u64_stats_sync syncp; -}; +} __aligned(2 * sizeof(u64)); struct net_rate_estimator;
--
2.19.1.1215.g8438c0b245-goog