[PATCH] 2.6.18-rt7: Calculate cpu_khz for PowerPC

[Sergei Shtylyov <sshtylyov@ru.mvista.com>]

Actually calculate PowerPC cpu_khz value for the latency tracing code.

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>

Index: linux-2.6/arch/powerpc/kernel/time.c
===================================================================
--- linux-2.6.orig/arch/powerpc/kernel/time.c
+++ linux-2.6/arch/powerpc/kernel/time.c
@@ -736,6 +736,7 @@ void __init time_init(void)
 	tb_ticks_per_jiffy = ppc_tb_freq / HZ;
 	tb_ticks_per_sec = ppc_tb_freq;
 	tb_ticks_per_usec = ppc_tb_freq / 1000000;
+	cpu_khz  = ppc_tb_freq / 1000;
 	tb_to_us = mulhwu_scale_factor(ppc_tb_freq, 1000000);
 	calc_cputime_factors();
 

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