linux-kernel - Re: [PATCH 2/3] k_getrusage() can use while_each

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Message-ID: <CANMivWZW-2dnm3b0Su9coEK+QfZ-kpH6G=9HgeJWM65AdhORyg@mail.gmail.com>
Date:	Fri, 22 Nov 2013 12:16:29 -0800
From:	Sameer Nanda <snanda@...omium.org>
To:	Oleg Nesterov <oleg@...hat.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Michal Hocko <mhocko@...e.cz>,
	Sergey Dyasly <dserrg@...il.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/3] k_getrusage() can use while_each_thread()

On Fri, Nov 22, 2013 at 11:18 AM, Oleg Nesterov <oleg@...hat.com> wrote:
> Change k_getrusage() to use while_each_thread(), no changes in
> the compiled code.
>
> Signed-off-by: Oleg Nesterov <oleg@...hat.com>
Reviewed-by: Sameer Nanda <snanda@...omium.org>

> ---
>  kernel/sys.c |    3 +--
>  1 files changed, 1 insertions(+), 2 deletions(-)
>
> diff --git a/kernel/sys.c b/kernel/sys.c
> index 1d9a218..70d56d6 100644
> --- a/kernel/sys.c
> +++ b/kernel/sys.c
> @@ -1572,8 +1572,7 @@ static void k_getrusage(struct task_struct *p, int who, struct rusage *r)
>                         t = p;
>                         do {
>                                 accumulate_thread_rusage(t, r);
> -                               t = next_thread(t);
> -                       } while (t != p);
> +                       } while_each_thread(p, t);
>                         break;
>
>                 default:
> --
> 1.5.5.1
>
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