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

From: KAMEZAWA Hiroyuki
Date: Thu Feb 26 2009 - 20:39:19 EST


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

> [Added To]
>
Thanks,

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

> On Sun, Feb 22, 2009 at 1:05 AM, Hannes Eder <hannes@xxxxxxxxxxxxxx> wrote:
> > Fix this sparse warning:
> > Âmm/memcontrol.c:1637:32: warning: Using plain integer as NULL pointer
> >
> > Signed-off-by: Hannes Eder <hannes@xxxxxxxxxxxxxx>
> > ---
> > Âmm/memcontrol.c | Â Â2 +-
> > Â1 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,
> > Â Â Â Â Â Â Â Âpc = list_entry(list->prev, struct page_cgroup, lru);
> > Â Â Â Â Â Â Â Âif (busy == pc) {
> > Â Â Â Â Â Â Â Â Â Â Â Âlist_move(&pc->lru, list);
> > - Â Â Â Â Â Â Â Â Â Â Â busy = 0;
> > + Â Â Â Â Â Â Â Â Â Â Â busy = NULL;
> > Â Â Â Â Â Â Â Â Â Â Â Âspin_unlock_irqrestore(&zone->lru_lock, flags);
> > Â Â Â Â Â Â Â Â Â Â Â Âcontinue;
> > Â Â Â Â Â Â Â Â}
> >
> >
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