[PATCH] trivial patch for comment correction in -rt patches since 2.6.18

[Luotao Fu <l.fu@pengutronix.de>]

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Hi,
the trivial patch in the following fixes a comment in latency_trace.c
about user triggerring the tracer, which says that the latency tracer is 
to be triggered on- and off by gettimeofday() from userspace. However it
is done by prctl() since 2.6.18-rt1 now.

Regards
Luotao Fu
-- 
     Dipl.-Ing. Luotao Fu | http://www.pengutronix.de
  Pengutronix - Linux Solutions for Science and Industry
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Correct the comment about userspace function which triggers the latency tracer

Signed-off-by: Luotao Fu <lfu@pengutronix.de>

Index: linux-2.6.18-rt.sec/kernel/latency_trace.c
===================================================================
--- kernel/latency_trace.c
+++ kernel/latency_trace.c
@@ -263,7 +263,7 @@ int trace_all_cpus = 0;
 int print_functions = 0;
 
 /*
- * user-triggered via gettimeofday(0,1)/gettimeofday(0,0)
+ * user-triggered via prctl(0,1)/prctl(0,0)
  */
 int trace_user_triggered = 0;
 int trace_user_trigger_irq = -1;

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