Re: [PATCH] Handling of unused variable 'do-numainfo on compilationtime

[Michal Hocko]

On Fri 03-02-12 14:39:50, Johannes Weiner wrote:
> Michal, this keeps coming up, please decide between the proposed
> solutions ;-)

Hmm, I thought we already sorted this out https://lkml.org/lkml/2012/1/26/25 ?

> 
> On Fri, Feb 03, 2012 at 05:43:47PM +0900, Geunsik Lim wrote:
> > Actually, Usage of the variable 'do_numainfo'is not suitable for gcc compiler.
> > Declare the variable 'do_numainfo' if the number of NUMA nodes > 1.
> > 
> > Signed-off-by: Geunsik Lim <geunsik.lim@xxxxxxxxxxx>
> > ---
> >  mm/memcontrol.c |    5 ++++-
> >  1 files changed, 4 insertions(+), 1 deletions(-)
> > 
> > diff --git a/mm/memcontrol.c b/mm/memcontrol.c
> > index 556859f..4e17ac5 100644
> > --- a/mm/memcontrol.c
> > +++ b/mm/memcontrol.c
> > @@ -776,7 +776,10 @@ static void memcg_check_events(struct mem_cgroup *memcg, struct page *page)
> >  	/* threshold event is triggered in finer grain than soft limit */
> >  	if (unlikely(mem_cgroup_event_ratelimit(memcg,
> >  						MEM_CGROUP_TARGET_THRESH))) {
> > -		bool do_softlimit, do_numainfo;
> > +		bool do_softlimit;
> > +#if MAX_NUMNODES > 1
> > +                bool do_numainfo;
> > +#endif
> >  
> >  		do_softlimit = mem_cgroup_event_ratelimit(memcg,
> >  						MEM_CGROUP_TARGET_SOFTLIMIT);
> > -- 
> > 1.7.8.1
> > 

-- 
Michal Hocko
SUSE Labs
SUSE LINUX s.r.o.
Lihovarska 1060/12
190 00 Praha 9    
Czech Republic
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