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

From: Michel Lespinasse
Date: Wed Sep 28 2011 - 04:01:37 EST


On Wed, Sep 28, 2011 at 12:41 AM, Peter Zijlstra <a.p.zijlstra@xxxxxxxxx> 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

--
Michel "Walken" Lespinasse
A program is never fully debugged until the last user dies.
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