Messages in this thread | | | Subject | Re: Major network performance regression in 3.7 | From | Eric Dumazet <> | Date | Sat, 05 Jan 2013 18:22:13 -0800 |
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On Sun, 2013-01-06 at 03:18 +0100, Willy Tarreau wrote: > On Sat, Jan 05, 2013 at 06:16:31PM -0800, Eric Dumazet wrote: > > On Sat, 2013-01-05 at 17:51 -0800, Eric Dumazet wrote: > > > On Sat, 2013-01-05 at 17:40 -0800, Eric Dumazet wrote: > > > > On Sun, 2013-01-06 at 02:30 +0100, Willy Tarreau wrote: > > > > > > > > > Ah interesting because these were some of the mm patches that I had > > > > > tried to revert. > > > > > > > > Hmm, or we should fix __skb_splice_bits() > > > > > > > > I'll send a patch. > > > > > > > > > > Could you try the following ? > > > > Or more exactly... > > The first one did not change a iota unfortunately. I'm about to > spot the commit causing the loopback regression. It's a few patches > before the first one you pointed. It's almost finished and I test > your patch below immediately after.
I bet you are going to find commit 69b08f62e17439ee3d436faf0b9a7ca6fffb78db (net: use bigger pages in __netdev_alloc_frag )
Am I wrong ?
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