preempt_max_latency_us undeclared for latency tracer

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Hi Steven,

Something seems to be missing in 2.6.24-pre7-rt1-pre1; when I switch on the
latency tracer in a powerpc32 project, I get this:

kernel/sysctl.c:425: error: 'preempt_max_latency_us' undeclared here (not in a function)
kernel/sysctl.c:433: error: 'preempt_thresh_us' undeclared here (not in a function)

rsc@octopus:linux-2.6.24-rc7> g preempt_max_latency_us
./kernel/sysctl.c:              .data           = &preempt_max_latency_us,
./kernel/sysctl.c:              .maxlen         = sizeof(preempt_max_latency_us),
./kernel/latency_trace.c:               __preempt_max_latency = usecs_to_cycles(preempt_max_latency_us);

Any patch missign?

Robert
-- 
 Robert Schwebel              |  http://www.pengutronix.de
 OSADL Testlab @ Pengutronix  |  http://www.osadl.org


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