Re: [PATCH 1/6] memcg: fix unused variable warning

[KAMEZAWA Hiroyuki]

On Mon, 26 Dec 2011 08:36:52 +0200
"Kirill A. Shutemov" <kirill@xxxxxxxxxxxxx> wrote:

> On Mon, Dec 26, 2011 at 03:25:31PM +0900, KAMEZAWA Hiroyuki wrote:
> > On Sat, 24 Dec 2011 05:00:14 +0200
> > "Kirill A. Shutemov" <kirill@xxxxxxxxxxxxx> wrote:
> > 
> > > From: "Kirill A. Shutemov" <kirill@xxxxxxxxxxxxx>
> > > 
> > > mm/memcontrol.c: In function ‘memcg_check_events’:
> > > mm/memcontrol.c:784:22: warning: unused variable ‘do_numainfo’ [-Wunused-variable]
> > > 
> > > Signed-off-by: Kirill A. Shutemov <kirill@xxxxxxxxxxxxx>
> > 
> > Hmm ? Doesn't this fix cause a new Warning ?
> > 
> > mm/memcontrol.c: In function ?memcg_check_events?:
> > mm/memcontrol.c:789: warning: ISO C90 forbids mixed declarations and code
> 
> I don't see how. The result code is:
> 
> 	if (unlikely(mem_cgroup_event_ratelimit(memcg,
> 						MEM_CGROUP_TARGET_THRESH))) {
> 		bool do_softlimit;
> 
> #if MAX_NUMNODES > 1
> 		bool do_numainfo;
> 		do_numainfo = mem_cgroup_event_ratelimit(memcg,
> 						MEM_CGROUP_TARGET_NUMAINFO);
> #endif
> 		do_softlimit = mem_cgroup_event_ratelimit(memcg,
> 						MEM_CGROUP_TARGET_SOFTLIMIT);
> 		preempt_enable();
> 
> 		mem_cgroup_threshold(memcg);
> 

Ah. please see linux-next and rebase onto that.

Thanks,
-Kame

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