linux-kernel - Re: [PATCH] proc: Add RLIMIT_RTTIME to /proc/<pid>/limits

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Message-ID: <517f3f820802280712o3d756b4fq46461b226515e1f2@mail.gmail.com>
Date:	Thu, 28 Feb 2008 16:12:21 +0100
From:	"Michael Kerrisk" <mtk.manpages@...il.com>
To:	"Peter Zijlstra" <a.p.zijlstra@...llo.nl>
Cc:	"Eugene Teo" <eugeneteo@...nel.sg>, linux-kernel@...r.kernel.org,
	"Neil Horman" <nhorman@...driver.com>,
	"Ingo Molnar" <mingo@...e.hu>, mtk.manpages@...il.com
Subject: Re: [PATCH] proc: Add RLIMIT_RTTIME to /proc/<pid>/limits

Peter,

Could you please provide some text describing RLIMIT_RTTIMEfor the
getrlimit.2 man page.

Cheers,

Michael

On Fri, Feb 8, 2008 at 4:10 PM, Peter Zijlstra <a.p.zijlstra@...llo.nl> wrote:
>
> On Fri, 2008-02-08 at 22:59 +0800, Eugene Teo wrote:
> > RLIMIT_RTTIME was introduced to allow the user to set a runtime timeout on
> > real-time tasks: http://lkml.org/lkml/2007/12/18/218. This patch updates
> > /proc/<pid>/limits with the new rlimit.
>
> Ah, didn't know about that file, thanks!
>
> > Signed-off-by: Eugene Teo <eugeneteo@...nel.sg>
>
> Acked-by: Peter Zijlstra <a.p.zijlstra@...llo.nl>
>
>
> > ---
> >  fs/proc/base.c |    1 +
> >  1 files changed, 1 insertions(+), 0 deletions(-)
> >
> > diff --git a/fs/proc/base.c b/fs/proc/base.c
> > index c59852b..dcf7be8 100644
> > --- a/fs/proc/base.c
> > +++ b/fs/proc/base.c
> > @@ -412,6 +412,7 @@ static const struct limit_names lnames[RLIM_NLIMITS] = {
> >       [RLIMIT_MSGQUEUE] = {"Max msgqueue size", "bytes"},
> >       [RLIMIT_NICE] = {"Max nice priority", NULL},
> >       [RLIMIT_RTPRIO] = {"Max realtime priority", NULL},
> > +     [RLIMIT_RTTIME] = {"Max realtime timeout", "us"},
> >  };
> >
> >  /* Display limits for a process */
>
> --
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