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Commit 68ed0040 authored by Ravikiran G Thirumalai's avatar Ravikiran G Thirumalai Committed by Linus Torvalds
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[PATCH] x86: mark cyc2ns_scale readmostly 



This variable is rarely written to.  Mark the variable accordingly.

Signed-off-by: default avatarRavikiran Thirumalai <kiran@scalex86.org>
Signed-off-by: default avatarShai Fultheim <shai@scalex86.org>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 5e7a99ac

arch/i386/kernel/timers/timer_hpet.c

+1 −1
Original line number Original line Diff line number Diff line
@@ -46,7 +46,7 @@ static seqlock_t monotonic_lock = SEQLOCK_UNLOCKED; 
 *

 *

 *			-johnstul@us.ibm.com "math is hard, lets go shopping!"

 *			-johnstul@us.ibm.com "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 */

#define CYC2NS_SCALE_FACTOR 10 /* 2^10, carefully chosen */





static inline void set_cyc2ns_scale(unsigned long cpu_khz)

static inline void set_cyc2ns_scale(unsigned long cpu_khz)

arch/i386/kernel/timers/timer_tsc.c

+1 −1
Original line number Original line Diff line number Diff line
@@ -74,7 +74,7 @@ late_initcall(start_lost_tick_compensation); 
 *

 *

 *			-johnstul@us.ibm.com "math is hard, lets go shopping!"

 *			-johnstul@us.ibm.com "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 */

#define CYC2NS_SCALE_FACTOR 10 /* 2^10, carefully chosen */





static inline void set_cyc2ns_scale(unsigned long cpu_khz)

static inline void set_cyc2ns_scale(unsigned long cpu_khz)

arch/x86_64/kernel/time.c

+1 −1
Original line number Original line Diff line number Diff line
@@ -477,7 +477,7 @@ static irqreturn_t timer_interrupt(int irq, void *dev_id, struct pt_regs *regs) 
	return IRQ_HANDLED;

	return IRQ_HANDLED;

}

}





static unsigned int cyc2ns_scale;

static unsigned int cyc2ns_scale __read_mostly;

#define CYC2NS_SCALE_FACTOR 10 /* 2^10, carefully chosen */

#define CYC2NS_SCALE_FACTOR 10 /* 2^10, carefully chosen */





static inline void set_cyc2ns_scale(unsigned long cpu_khz)

static inline void set_cyc2ns_scale(unsigned long cpu_khz)