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

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Message-ID: <154e089b0902261715p3d1a865ep845e0f1345549ebb@mail.gmail.com>
Date:	Fri, 27 Feb 2009 02:15:46 +0100
From:	Hannes Eder <hannes@...neseder.net>
To:	trivial@...nel.org, Andrew Morton <akpm@...ux-foundation.org>
Cc:	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

[Added To]

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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