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

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Message-Id: <20101019085856.af21cfa7.kamezawa.hiroyu@jp.fujitsu.com>
Date:	Tue, 19 Oct 2010 08:58:56 +0900
From:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
To:	Tejun Heo <tj@...nel.org>
Cc:	lkml <linux-kernel@...r.kernel.org>,
	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 Mon, 18 Oct 2010 07:03:37 +0200
Tejun Heo <tj@...nel.org> wrote:

> Hello,
> 
> On 10/18/2010 02:01 AM, KAMEZAWA Hiroyuki wrote:
> > On Fri, 15 Oct 2010 17:25:15 +0200
> > 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>
> > Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
> 
> Through which tree should this be routed?  Shall I route this via the
> wq tree?
> 
please.

Thank,
-Kame

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