[PATCH] Allow cpusets to be configured/built on non-SMP systems

Paul Menage menage at google.com
Mon Mar 2 22:41:42 PST 2009


On Mon, Mar 2, 2009 at 10:01 PM, Paul Menage <menage at google.com> wrote:
> On Mon, Mar 2, 2009 at 7:17 PM, Li Zefan <lizf at cn.fujitsu.com> wrote:
>>> +static int generate_sched_domains(struct cpumask **domains,
>>> +                     struct sched_domain_attr **attributes)
>>> +{
>>
>> Except here should "return 0;", otherwise emit a compile warining.
>>
>
> Good catch - the weird thing is that (in my UML build) it doesn't
> actually generate that warning. Mysterious.

Hmm, my guess is that since UML doesn't have hotplug either, the only
reference to generate_sched_domains doesn't actually invoke it, so gcc
doesn't even bother compiling it.

Paul


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