linux-kernel - Re: [GIT PULL] sched: Cputime update for 3.10

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Message-ID: <20130318091302.GB19068@gmail.com>
Date:	Mon, 18 Mar 2013 10:13:02 +0100
From:	Ingo Molnar <mingo@...nel.org>
To:	Frederic Weisbecker <fweisbec@...il.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Stanislaw Gruszka <sgruszka@...hat.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [GIT PULL] sched: Cputime update for 3.10


* Frederic Weisbecker <fweisbec@...il.com> wrote:

> Ingo,
> 
> Please pull the latest cputime accounting updates that can be found at:
> 
> git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks.git
> 	sched/core
> 
> HEAD: d9a3c9823a2e6a543eb7807fb3d15d8233817ec5
> 
> Some users are complaining that their threadgroup's runtime accounting freezes
> after a week or so of intense cpu-bound workload. This set tries to fix the issue
> by reducing the risk of multiplication overflow in the cputime scaling code.
> 
> Thanks.
> 
> ---
> Frederic Weisbecker (2):
>   math64: New div64_u64_rem helper
>   sched: Lower chances of cputime scaling overflow
> 
>  include/linux/math64.h |   19 ++++++++++++++++++-
>  kernel/sched/cputime.c |   46 ++++++++++++++++++++++++++++++++++------------
>  lib/div64.c            |   19 +++++++++++++------
>  3 files changed, 65 insertions(+), 19 deletions(-)

Pulled, thanks guys!

I Cc:-ed Linus, for the div64_u64_rem() helper to linux/math64.h and 
lib/dev64.c.

	Ingo
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