From: Andrew Morton <akpm@digeo.com>
Date: Wed, 09 Oct 2002 22:40:01 -0700
but we're seeing a consistent few-percent regression in tests which perform
networking to localhost.
There's debugging code in loopback that is helping us stress test
the TCP segmentation offload, you might want to disable that to
get more reliable numbers in 2.5.x.
Try this:
--- drivers/net/loopback.c.~1~ Wed Oct 9 23:01:16 2002
+++ drivers/net/loopback.c Wed Oct 9 23:01:35 2002
@@ -190,12 +190,12 @@
dev->rebuild_header = eth_rebuild_header;
dev->flags = IFF_LOOPBACK;
dev->features = NETIF_F_SG|NETIF_F_FRAGLIST|NETIF_F_NO_CSUM|NETIF_F_HIGHDMA;
-
+#if 0
/* Current netfilter will die with oom linearizing large skbs,
* however this will be cured before 2.5.x is done.
*/
dev->features |= NETIF_F_TSO;
-
+#endif
dev->priv = kmalloc(sizeof(struct net_device_stats), GFP_KERNEL);
if (dev->priv == NULL)
return -ENOMEM;
-
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This archive was generated by hypermail 2b29 : Tue Oct 15 2002 - 22:00:36 EST