From 818b667ba57f68bf1e7240fa441dda0b11e6b944 Mon Sep 17 00:00:00 2001 From: Stephen Boyd Date: Tue, 24 May 2011 17:13:08 -0700 Subject: [PATCH] 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 Cc: Russell King Cc: Richard Weinberger Cc: Hirokazu Takata Cc: Kyle McMartin Cc: Richard Henderson Cc: Ivan Kokshaysky Cc: Matt Turner Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/alpha/include/asm/smp.h | 2 -- arch/arm/include/asm/smp.h | 6 ------ arch/m32r/include/asm/smp.h | 2 -- arch/parisc/include/asm/smp.h | 9 --------- arch/um/include/asm/smp.h | 1 - 5 files changed, 20 deletions(-) diff --git a/arch/alpha/include/asm/smp.h b/arch/alpha/include/asm/smp.h index 3f390e8cc0b..c46e714aa3e 100644 --- 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 index a87664f54f9..d2b514fd76f 100644 --- 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 index e67ded1aab9..8accc1bb026 100644 --- 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 index 2e73623feb6..e8f8037d872 100644 --- 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 index f27a9631317..4a4b09d4f36 100644 --- 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 -- 2.20.1