Remove unused PROC_CHANGE_PENALTY constant

This constant hasn't been used since before the git era (2.6.12) and thus can be dropped. Signed-off-by: Stephen Boyd <[email protected]> Cc: Russell King <[email protected]> Cc: Richard Weinberger <[email protected]> Cc: Hirokazu Takata <[email protected]> Cc: Kyle McMartin <[email protected]> Cc: Richard Henderson <[email protected]> Cc: Ivan Kokshaysky <[email protected]> Cc: Matt Turner <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
sum-it · May 25, 2011 · 818b667 · 818b667
1 parent 21b7d81
commit 818b667
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diff --git a/arch/alpha/include/asm/smp.h b/arch/alpha/include/asm/smp.h
@@ -39,8 +39,6 @@ struct cpuinfo_alpha {
 
 extern struct cpuinfo_alpha cpu_data[NR_CPUS];
 
-#define PROC_CHANGE_PENALTY     20
-
 #define hard_smp_processor_id()	__hard_smp_processor_id()
 #define raw_smp_processor_id()	(current_thread_info()->cpu)
 

diff --git a/arch/arm/include/asm/smp.h b/arch/arm/include/asm/smp.h
@@ -20,12 +20,6 @@
 
 #define raw_smp_processor_id() (current_thread_info()->cpu)
 
-/*
- * at the moment, there's not a big penalty for changing CPUs
- * (the >big< penalty is running SMP in the first place)
- */
-#define PROC_CHANGE_PENALTY		15
-
 struct seq_file;
 
 /*

diff --git a/arch/m32r/include/asm/smp.h b/arch/m32r/include/asm/smp.h
@@ -94,8 +94,6 @@ extern void arch_send_call_function_ipi_mask(const struct cpumask *mask);
 
 #define NO_PROC_ID (0xff)	/* No processor magic marker */
 
-#define PROC_CHANGE_PENALTY	(15)	/* Schedule penalty */
-
 /*
  * M32R-mp IPI
  */

diff --git a/arch/parisc/include/asm/smp.h b/arch/parisc/include/asm/smp.h
@@ -33,15 +33,6 @@ extern void arch_send_call_function_ipi_mask(const struct cpumask *mask);
 
 #endif /* !ASSEMBLY */
 
-/*
- *	This magic constant controls our willingness to transfer
- *      a process across CPUs. Such a transfer incurs cache and tlb
- *      misses. The current value is inherited from i386. Still needs
- *      to be tuned for parisc.
- */
-
-#define PROC_CHANGE_PENALTY	15		/* Schedule penalty */
-
 #define raw_smp_processor_id()	(current_thread_info()->cpu)
 
 #else /* CONFIG_SMP */

diff --git a/arch/um/include/asm/smp.h b/arch/um/include/asm/smp.h
@@ -11,7 +11,6 @@
 
 #define cpu_logical_map(n) (n)
 #define cpu_number_map(n) (n)
-#define PROC_CHANGE_PENALTY	15 /* Pick a number, any number */
 extern int hard_smp_processor_id(void);
 #define NO_PROC_ID -1
-Original file line number
+Diff line change
@@ Expand Up @@
     #define NO_PROC_ID (0xff)	/* No processor magic marker */
-    #define PROC_CHANGE_PENALTY	(15)	/* Schedule penalty */
     /*
      * M32R-mp IPI
      */
@@ Expand Down @@