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Date: Fri, 5 Dec 2008 10:10:25 -0800
Message-ID: <b040c32a0812051010m11e9d376qcd77a3a71a4f42b9@mail.gmail.com>
Subject: Re: [patch] export percpu cpuacct cgroup stats
From: Ken Chen <kenchen@google.com>
To: Li Zefan <lizf@cn.fujitsu.com>
Cc: Paul Menage <menage@google.com>, Andrew Morton <akpm@linux-foundation.org>,
       Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
       Ingo Molnar <mingo@elte.hu>
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On Thu, Dec 4, 2008 at 11:54 PM, Li Zefan <lizf@cn.fujitsu.com> wrote:
>> +             seq_printf(m, "%llu ", percpu);
>
> Should be:
> +               seq_printf(m, "%llu ", (unsigned long long)percpu);
>
> Otherwsise:
> kernel/sched.c: In function 'cpuacct_percpu_seq_read':
> kernel/sched.c:9359: warning: format '%llu' expects type 'long long unsigned int',
> but argument 3 has type 'u64'

I'm curious what compiler and CPU arch target are you using that cause
compiler to spit out this warning message?  On x86_64 u64 is unsigned
long long and gcc v4.2.4 doesn't give such warning.

- Ken
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