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

[Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>]

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@mxp.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.