From: Eric Dumazet <edumazet@google.com>
Date: Fri, 16 Nov 2018 15:43:29 +0000 (-0800)
Subject: net: align gnet_stats_basic_cpu struct
X-Git-Tag: v5.0-rc1~129^2~267
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=001c96db0181263740215a7f5fec7e937b800a94;p=users%2Fhch%2Fmisc.git

net: align gnet_stats_basic_cpu struct

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>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/include/net/gen_stats.h b/include/net/gen_stats.h
index 946bd53a9f81..ca23860adbb9 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;