[patch] Mark cyc2ns_scale readmostly

[Ravikiran G Thirumalai]

This variable is rarely written to.  Mark the variable accordingly

Signed-off-by: Ravikiran Thirumalai <kiran@xxxxxxxxxxxx>
Signed-off-by: Shai Fultheim <shai@xxxxxxxxxxxx>

Index: linux-2.6.16-rc6mm1/arch/i386/kernel/tsc.c
===================================================================
--- linux-2.6.16-rc6mm1.orig/arch/i386/kernel/tsc.c	2006-03-17 11:18:53.000000000 -0800
+++ linux-2.6.16-rc6mm1/arch/i386/kernel/tsc.c	2006-03-17 11:26:35.000000000 -0800
@@ -87,7 +87,7 @@ EXPORT_SYMBOL_GPL(mark_tsc_unstable);
  *
  *			-johnstul@xxxxxxxxxx "math is hard, lets go shopping!"
  */
-static unsigned long cyc2ns_scale;
+static unsigned long cyc2ns_scale __read_mostly;
 
 #define CYC2NS_SCALE_FACTOR 10 /* 2^10, carefully chosen */
 
Index: linux-2.6.16-rc6mm1/arch/x86_64/kernel/time.c
===================================================================
--- linux-2.6.16-rc6mm1.orig/arch/x86_64/kernel/time.c	2006-03-17 11:18:53.000000000 -0800
+++ linux-2.6.16-rc6mm1/arch/x86_64/kernel/time.c	2006-03-17 11:23:07.000000000 -0800
@@ -467,7 +467,7 @@ static irqreturn_t timer_interrupt(int i
 	return IRQ_HANDLED;
 }
 
-static unsigned int cyc2ns_scale;
+static unsigned int cyc2ns_scale __read_mostly;
 #define CYC2NS_SCALE_FACTOR 10 /* 2^10, carefully chosen */
 
 static inline void set_cyc2ns_scale(unsigned long cpu_khz)
-
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