memrlimit controller merge to mainline

[KAMEZAWA Hiroyuki]

On Wed, 30 Jul 2008 13:58:03 +0900
Daisuke Nishimura <nishimura at mxp.nes.nec.co.jp> wrote:

> On Wed, 30 Jul 2008 13:14:07 +0900, KAMEZAWA Hiroyuki <kamezawa.hiroyu at jp.fujitsu.com> wrote:
> > On Wed, 30 Jul 2008 12:11:15 +0900
> > KAMEZAWA Hiroyuki <kamezawa.hiroyu at jp.fujitsu.com> wrote:
> > 
> > > On Wed, 30 Jul 2008 11:52:26 +0900
> > > KAMEZAWA Hiroyuki <kamezawa.hiroyu at jp.fujitsu.com> wrote:
> > > > mem+swap controller means a shrink to memory resource controller 
> > > > (try_to_free_mem_cgroup_pages()) should drop only file caches.
> > > > (Because kick-out-to-swap will never changes the usage.)
> > > > 
> > > > right ? only global-lru can make a swap.
> > > > maybe I can add optimization to do this. Hmm. I should see how OOM works
> > > > under some situation.
> > > > 
> I'm thinking mem+swap controller in a different way: an add-on to
> mem controller, just as current swap controller.
> I mean adding "memory.(mem+swap)_limit".
> 
Hmm ? adding a control file other than
 - memory.limit_in_bytes
?

Thanks,
-Kame