On Mon, 18 Apr 2011 20:57:36 -0700
Ying Han <yinghan@google.com> wrote:

> 1. there are one kswapd thread per cgroup. the thread is created when the
> cgroup changes its limit_in_bytes and is deleted when the cgroup is being
> removed. In some enviroment when thousand of cgroups are being configured on
> a single host, we will have thousand of kswapd threads. The memory consumption
> would be 8k*100 = 8M. We don't see a big issue for now if the host can host
> that many of cgroups.
>

I don't think no-fix to this is ok.

Here is a thread pool patch on your set. (and includes some more).
3 patches in following e-mails.
Any comments are welocme, but my response may be delayed.

Thanks,
-Kame