linux-kernel - Re: [PATCH -tip 0/3] sched: some fixes for vruntime calculation related to cgroup movement(v2)

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Mon, 19 Dec 2011 11:55:08 +0900
From:	Daisuke Nishimura <nishimura@....nes.nec.co.jp>
To:	Ingo Molnar <mingo@...e.hu>, LKML <linux-kernel@...r.kernel.org>,
	cgroups <cgroups@...r.kernel.org>
Cc:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Paul Turner <pjt@...gle.com>,
	Daisuke Nishimura <nishimura@....nes.nec.co.jp>
Subject: Re: [PATCH -tip 0/3] sched: some fixes for vruntime calculation
 related to cgroup movement(v2)

Someone who have comments ?
If there are some problems that prevent these patches from being accepted,
I'll fix them.

Thanks,
Daisuke Nishimura

On Thu, 15 Dec 2011 14:35:06 +0900
Daisuke Nishimura <nishimura@....nes.nec.co.jp> wrote:

> Hi, all.
> 
> This is an updated version based on comments and rebased onto the -tip tree.
> 
> These patches fix problems I could see in 3.2-rc2 when testing frequent cgroup movement
> under very high load. Without these patches, some processes were not scheduled
> (although they were queued into rq)for a very long time(minutes or hours!),
> because vruntime of these processes were far bigger than min_vruntime.
> 
> Daisuke Nishimura (3):
>   sched: fix cgroup movement of newly created process
>   sched: fix cgroup movement of forking process
>   sched: fix cgroup movement of waking process
> 
>  kernel/sched/fair.c |   22 ++++++++++++++++++++--
>  1 files changed, 20 insertions(+), 2 deletions(-)
> 
> Thanks,
> Daisuke Nishimura.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/