linux-kernel - Re: [PATCH net-next 1/2] sched: introduce nr_running_this

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Message-ID: <53F6F0E4.4070800@redhat.com>
Date:	Fri, 22 Aug 2014 15:27:32 +0800
From:	Jason Wang <jasowang@...hat.com>
To:	Ingo Molnar <mingo@...nel.org>
CC:	davem@...emloft.net, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, mst@...hat.com,
	Ingo Molnar <mingo@...hat.com>,
	Peter Zijlstra <peterz@...radead.org>
Subject: Re: [PATCH net-next 1/2] sched: introduce nr_running_this_cpu()

On 08/21/2014 09:52 PM, Ingo Molnar wrote:
> * Jason Wang <jasowang@...hat.com> wrote:
>
>> This patch introduces a helper nr_running_this_cpu() to return the
>> number of runnable processes in current cpu.
>>
>> The first user will be net rx busy polling. It will use this to exit
>> the busy loop when it finds more than one processes is runnable in
>> current cpu. This can give us better performance of busy polling under
>> heavy load.
> s/one processes/one process
>
> More importantly, please Cc: scheduler maintainers and lkml to 
> both patches, so that the whole intent of the change can be 
> reviewed, in full context.
>
> Thanks,
>
> 	Ingo

Will do this.

Thanks
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