Re: [PATCH 4/9] kstaled: minimalistic implementation.

Peter Zijlstra
2011-09-28T10:26:57Z

On Wed, 2011-09-28 at 01:01 -0700, Michel Lespinasse wrote:
> On Wed, Sep 28, 2011 at 12:41 AM, Peter Zijlstra <a.p.zijlstra@chello.nl> wrote:
> > On Tue, 2011-09-27 at 17:49 -0700, Michel Lespinasse wrote:
> >> +static int kstaled(void *dummy)
> >> +{
> >> + while (1) {
> >
> >> + }
> >> +
> >> + BUG();
> >> + return 0; /* NOT REACHED */
> >> +}
> >
> > So if you build with this junk (as I presume distro's will), there is no
> > way to disable it?
>
> There will be a thread, and it'll block in wait_event_interruptible()
> until a positive value is written into
> /sys/kernel/mm/kstaled/scan_seconds

And here I though people wanted less pointless kernel threads..