--Sonny Rao <[email protected]> wrote (on Tuesday, September 13, 2005 03:02:04 -0400):
> On Tue, Sep 13, 2005 at 05:14:34AM +0000, Danny ter Haar wrote:
>> Sonny Rao <[email protected]> wrote:
>> > Are you using jumbo frames or anything like that?
>>
>> Not as far as i know.
>>
>> I gave the kernel some more buffer as stated on
>> http://home.cern.ch/~jes/gige/acenic.html
>>
>> echo 256144 > /proc/sys/net/core/rmem_max
>> echo 262144 > /proc/sys/net/core/wmem_max
>
> Not sure if this could lead to higher order allocations -- the only
> place I think it might happen is in sock_kmalloc()
>
> Dunno, Martin?
Not sure. Throw a dump_stack in __alloc_pages conditional on if order > 0.
If it spews too much output, ratelimit it by incrementing a static variable
each time, and only printing if mod 100 or 1000 or something, but I suspect
it'll be OK at full rate.
M.
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