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    SubjectRe: Major network performance regression in 3.7
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    On Sun, 2013-01-06 at 00:29 +0100, Willy Tarreau wrote:

    > > 2) Another possibility would be that Myri card/driver doesnt like very
    > > well high order pages.
    >
    > It looks like it has not changed much since 3.6 :-/ I really suspect
    > something is wrong with memory allocation. I have tried reverting many
    > patches affecting the mm/ directory just in case but I did not come to
    > anything useful yet.
    >

    Hmm, I was referring to TCP stack now using order-3 pages instead of
    order-0 ones

    See commit 5640f7685831e088fe6c2e1f863a6805962f8e81
    (net: use a per task frag allocator)

    Could you please post :

    ethtool -S eth0





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