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Subject: Re: [Lse-tech] Re: context switches increased in 2.5.40 kernel
To: Andrew Morton <akpm@digeo.com>
Cc: "Bill Hartner" <bhartner@us.ibm.com>, "David S. Miller" <davem@redhat.com>,
       linux-kernel@vger.kernel.org, lse-tech@lists.sourceforge.net,
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From: "Mala Anand" <manand@us.ibm.com>
Date: Tue, 15 Oct 2002 16:02:23 -0500
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>"David S. Miller" wrote:
>>
>>    From: Mala Anand <mkanand@us.ibm.com>
>>    Date: Tue, 15 Oct 2002 14:44:35 -0500
>>
>>    Does this have anything to do with tcp_wakeup patch?
>>
>> Please do not mention patches by name, this tells
>> me nothing.  What "tcp_wakeup patch" are you talking
>> about?

>That would be the patch which uses prepare_to_wait/finish_wait
>in networking.  It sped up specweb by 2%, btw.

>But that is not present in 2.5.40, and has not been in -mm
>since 2.5.40-mm1.  I assume it wasn't present in Mala's testing.

Yes you are correct. I am not using tcp_wakeup patch. I saw the
apis in the changelog and assumed incorrectly.



Regards,
    Mala


   Mala Anand
   IBM Linux Technology Center - Kernel Performance
   E-mail:manand@us.ibm.com
   http://www-124.ibm.com/developerworks/opensource/linuxperf
   http://www-124.ibm.com/developerworks/projects/linuxperf
   Phone:838-8088; Tie-line:678-8088




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