Re: [patch] make sysctl_overcommit_memory enumeration sensible

[Avi Kivity <avi@argo.co.il>]

Coywolf Qi Hunt wrote:

> On Wed, Feb 15, 2006 at 01:05:59AM -0800, Andrew Morton wrote:
>  
>
> > Coywolf Qi Hunt <qiyong@fc-cn.com> wrote:
> >    
> >
> > > I see system admins often confused when they sysctl vm.overcommit_memory.
> > > This patch makes overcommit_memory enumeration sensible.
> > >
> > > 0 - no overcommit
> > > 1 - always overcommit
> > > 2 - heuristic overcommit (default)
> > >
> > > I don't feel this would break any userspace scripts.
> > >      
> > eh?   If any such scripts exist, they'll break.
> >
> > Confused.
> >    
>
> That's a corner case. Let'em break and fix.  Otherwise, users will
> be confused. Even they get it right, after some weeks they'll have
> to re-read the doc. A logical user interface is important to human.
>  

If I have

 vm.overcommit_memory = 2

in my /etc/sysctl.conf, its meaning silently changes. I'll know about it 
during the next oomkiller pass.

--
error compiling committee.c: too many arguments to function

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/