linux-kernel - Re: [PATCH 1/2] Cleanup: use for_each_online

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Message-Id: <20100611095738.ff9e5b35.kamezawa.hiroyu@jp.fujitsu.com>
Date:	Fri, 11 Jun 2010 09:57:38 +0900
From:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
To:	Minchan Kim <minchan.kim@...il.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	Christoph Lameter <clameter@....com>
Subject: Re: [PATCH 1/2] Cleanup: use for_each_online_cpu in vmstat

On Thu, 10 Jun 2010 22:28:46 +0900
Minchan Kim <minchan.kim@...il.com> wrote:

> The sum_vm_events passes cpumask for for_each_cpu.
> But it's useless since we have for_each_online_cpu.
> Althougth it's tirival overhead, it's not good about
> coding consistency.
> 
> Let's use for_each_online_cpu instead of for_each_cpu with
> cpumask argument.
> 
> Cc: KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
> Cc: Christoph Lameter <clameter@....com>
> Signed-off-by: Minchan Kim <minchan.kim@...il.com>
Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>


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