linux-kernel - Re: [PATCH v2.6.36-rc7] memory_hotplug: drop spurious calls to flush_scheduled

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Message-ID: <AANLkTinkiQ9vVB=EBGkKOwLktR9fvzZY2dS1rKKF_tRE@mail.gmail.com>
Date:	Mon, 18 Oct 2010 14:23:40 +0900
From:	Minchan Kim <minchan.kim@...il.com>
To:	Tejun Heo <tj@...nel.org>
Cc:	lkml <linux-kernel@...r.kernel.org>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Mel Gorman <mel@....ul.ie>,
	Wu Fengguang <fengguang.wu@...el.com>,
	Michal Hocko <mhocko@...e.cz>
Subject: Re: [PATCH v2.6.36-rc7] memory_hotplug: drop spurious calls to flush_scheduled_work()

On Sat, Oct 16, 2010 at 12:25 AM, Tejun Heo <tj@...nel.org> wrote:
> lru_add_drain_all() uses schedule_on_each_cpu() which is synchronous.
> There is no reason to call flush_scheduled_work() after
> lru_add_drain_all().  Drop the spurious calls.
>
> This is to prepare for the deprecation and removal of
> flush_scheduled_work().
>
> Signed-off-by: Tejun Heo <tj@...nel.org>
Reviewed-by: Minchan Kim <minchan.kim@...il.com>


-- 
Kind regards,
Minchan Kim
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