linux-kernel - Re: [PATCH 14/16] memcg: fix sparse warning: Using plain integer as NULL pointer

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Message-Id: <20090227103742.8376ab5c.kamezawa.hiroyu@jp.fujitsu.com>
Date:	Fri, 27 Feb 2009 10:37:42 +0900
From:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
To:	Hannes Eder <hannes@...neseder.net>
Cc:	trivial@...nel.org, Andrew Morton <akpm@...ux-foundation.org>,
	kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 14/16] memcg: fix sparse warning: Using plain integer as
  NULL pointer

On Fri, 27 Feb 2009 02:15:46 +0100
Hannes Eder <hannes@...neseder.net> wrote:

> [Added To]
> 
Thanks,

Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>

> On Sun, Feb 22, 2009 at 1:05 AM, Hannes Eder <hannes@...neseder.net> wrote:
> > Fix this sparse warning:
> >  mm/memcontrol.c:1637:32: warning: Using plain integer as NULL pointer
> >
> > Signed-off-by: Hannes Eder <hannes@...neseder.net>
> > ---
> >  mm/memcontrol.c |    2 +-
> >  1 files changed, 1 insertions(+), 1 deletions(-)
> >
> > diff --git a/mm/memcontrol.c b/mm/memcontrol.c
> > index 8e4be9c..09d6650 100644
> > --- a/mm/memcontrol.c
> > +++ b/mm/memcontrol.c
> > @@ -1634,7 +1634,7 @@ static int mem_cgroup_force_empty_list(struct mem_cgroup *mem,
> >                pc = list_entry(list->prev, struct page_cgroup, lru);
> >                if (busy == pc) {
> >                        list_move(&pc->lru, list);
> > -                       busy = 0;
> > +                       busy = NULL;
> >                        spin_unlock_irqrestore(&zone->lru_lock, flags);
> >                        continue;
> >                }
> >
> >
> --
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