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authorStephen Boyd <sboyd@codeaurora.org>2011-05-24 17:13:08 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-05-25 08:39:43 -0700
commit818b667ba57f68bf1e7240fa441dda0b11e6b944 (patch)
treeda37013a41f5b8f773a0c8b75b448910a51a7495 /arch
parent21b7d815b2cc380929181e1a4a7129e8b569e574 (diff)
downloadlinux-linaro-stable-818b667ba57f68bf1e7240fa441dda0b11e6b944.tar.gz
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 <sboyd@codeaurora.org> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Richard Weinberger <richard@nod.at> Cc: Hirokazu Takata <takata@linux-m32r.org> Cc: Kyle McMartin <kyle@mcmartin.ca> Cc: Richard Henderson <rth@twiddle.net> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Matt Turner <mattst88@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/alpha/include/asm/smp.h2
-rw-r--r--arch/arm/include/asm/smp.h6
-rw-r--r--arch/m32r/include/asm/smp.h2
-rw-r--r--arch/parisc/include/asm/smp.h9
-rw-r--r--arch/um/include/asm/smp.h1
5 files changed, 0 insertions, 20 deletions
diff --git a/arch/alpha/include/asm/smp.h b/arch/alpha/include/asm/smp.h
index 3f390e8cc0b3..c46e714aa3e0 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 a87664f54f93..d2b514fd76f4 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 e67ded1aab91..8accc1bb0263 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 2e73623feb6b..e8f8037d872b 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 f27a96313174..4a4b09d4f366 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