netdev - [PATCH][net-next] net: increase MAX_GRO

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Message-Id: <1530531703-11368-1-git-send-email-lirongqing@baidu.com>
Date:   Mon,  2 Jul 2018 19:41:43 +0800
From:   Li RongQing <lirongqing@...du.com>
To:     netdev@...r.kernel.org
Subject: [PATCH][net-next] net: increase MAX_GRO_SKBS to 64

After 07d78363dcffd [net: Convert NAPI gro list into a small hash table]
there is 8 hash buckets, which allow more flows to be held for merging.

keep each as original list length, so increase MAX_GRO_SKBS to 64

Signed-off-by: Li RongQing <lirongqing@...du.com>
---
 net/core/dev.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/net/core/dev.c b/net/core/dev.c
index 08d58e0debe5..ac315e41d5e7 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -149,8 +149,7 @@
 
 #include "net-sysfs.h"
 
-/* Instead of increasing this, you should create a hash table. */
-#define MAX_GRO_SKBS 8
+#define MAX_GRO_SKBS 64
 
 /* This should be increased if a protocol with a bigger head is added. */
 #define GRO_MAX_HEAD (MAX_HEADER + 128)
-- 
2.16.2