linux-kernel - Re: [PATCH] vmpressure: implement strict mode

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Message-ID: <20130702110628.5dbb75e0@redhat.com>
Date:	Tue, 2 Jul 2013 11:06:28 -0400
From:	Luiz Capitulino <lcapitulino@...hat.com>
To:	Pavel Machek <pavel@....cz>
Cc:	linux-mm@...ck.org, linux-kernel@...r.kernel.org, mhocko@...e.cz,
	minchan@...nel.org, anton@...msg.org, akpm@...ux-foundation.org
Subject: Re: [PATCH] vmpressure: implement strict mode

On Mon, 1 Jul 2013 10:51:03 +0200
Pavel Machek <pavel@....cz> wrote:

> Hi!
> 
> > diff --git a/Documentation/cgroups/memory.txt b/Documentation/cgroups/memory.txt
> > index ddf4f93..3c589cf 100644
> > --- a/Documentation/cgroups/memory.txt
> > +++ b/Documentation/cgroups/memory.txt
> > @@ -807,12 +807,14 @@ register a notification, an application must:
> >  
> >  - create an eventfd using eventfd(2);
> >  - open memory.pressure_level;
> > -- write string like "<event_fd> <fd of memory.pressure_level> <level>"
> > +- write string like "<event_fd> <fd of memory.pressure_level> <level> [strict]"
> >    to cgroup.event_control.
> >  
> 
> This is.. pretty strange interface. Would it be cleaner to do ioctl()?
> New syscall?

Are you referring to my new mode or to the whole thing?
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