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Date:	Thu, 15 Apr 2010 10:50:24 +0800
From:	Changli Gao <>
To:	Eric Dumazet <>
Cc:	Stephen Hemminger <>,
	Tom Herbert <>,,,,
	David Miller <>,
	Andi Kleen <>
Subject: Re: rps perfomance WAS(Re: rps: question

On Thu, Apr 15, 2010 at 10:40 AM, Eric Dumazet <> wrote:
> Agree 100%, and irqbalance is the existing daemon. It should be used and
> changed if necessary.
> Changli, my stronges argument about your patches is that our scheduler
> and memory affinity api (numactl driven) is bitmask oriented, giving the
> same weight to individual cpu or individual memory node.

It works with the assumption: the workloads handled in non-schedulable
context are less than the others. If most of work is done in
non-schedulable(softirq) context, scheduler can't keep load balance.

Changli Gao(
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