Re: SMP no scheduler ping-pong 2.3.42

From: Andrea Arcangeli (andrea@suse.de)
Date: Mon Feb 07 2000 - 17:59:20 EST


On Mon, 7 Feb 2000, Michael Schulz wrote:

>Andrea Arcangeli:
>> I did some change to the SMP scheduler of 2.3.42 to reduce the ping-pong
>> across multiple CPU that hurts caches:
>>
>> ftp://ftp.*.kernel.org/pub/linux/kernel/people/andrea/patches/v2.3/2.3.42/SMP-scheduler-1.gz
>
>Please explain.

What didn't you understood exactly? The code looks strightforward and well
commented there and using words is going to loose compared to reading the
code and the comments IMHO. Of course if something is not clear I'll be
glad to explain.

Andrea

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