Subject: Re: 32 core net-next stack/netfilter "scaling"

From: Rick Jones <[email-masked]>
Date: Tue, 27 Jan 2009 14:29:33 -0800

> Thanks for the report
> 
> If you have so much contention on spinlocks, maybe hash function is not 
> good at all...
> 
> hash = (unsigned long)ct;
> hash ^= hash >> 16;
> hash ^= hash >> 8;
> 
> I ass-u-me you compiled your kernel with NR_CPUS=32 ?

I believe so - CONFIG_NR_CPUS in .config is 64 anyway.  If there is a more 
definitive place to check I'd be happy to look.

rick