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    SubjectRe: [PATCH 14/16] memcg: fix sparse warning: Using plain integer as NULL pointer
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    On Sun, Feb 22, 2009 at 1:05 AM, Hannes Eder <hannes@hanneseder.net> wrote:
    > Fix this sparse warning:
    >  mm/memcontrol.c:1637:32: warning: Using plain integer as NULL pointer
    >
    > Signed-off-by: Hannes Eder <hannes@hanneseder.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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