From: Adrian Bunk Since smp_tune_scheduling() didn't do anything we can simply remove it. Signed-off-by: Adrian Bunk Cc: Ralf Baechle Signed-off-by: Andrew Morton --- arch/mips/kernel/smp.c | 28 ---------------------------- 1 files changed, 28 deletions(-) diff -puN arch/mips/kernel/smp.c~mips-remove-smp_tune_scheduling arch/mips/kernel/smp.c --- a/arch/mips/kernel/smp.c~mips-remove-smp_tune_scheduling +++ a/arch/mips/kernel/smp.c @@ -51,33 +51,6 @@ int __cpu_logical_map[NR_CPUS]; /* Map EXPORT_SYMBOL(phys_cpu_present_map); EXPORT_SYMBOL(cpu_online_map); -static void smp_tune_scheduling (void) -{ - struct cache_desc *cd = ¤t_cpu_data.scache; - unsigned long cachesize; /* kB */ - unsigned long cpu_khz; - - /* - * Crude estimate until we actually meassure ... - */ - cpu_khz = loops_per_jiffy * 2 * HZ / 1000; - - /* - * Rough estimation for SMP scheduling, this is the number of - * cycles it takes for a fully memory-limited process to flush - * the SMP-local cache. - * - * (For a P5 this pretty much means we will choose another idle - * CPU almost always at wakeup time (this is due to the small - * L1 cache), on PIIs it's around 50-100 usecs, depending on - * the cache size) - */ - if (!cpu_khz) - return; - - cachesize = cd->linesz * cd->sets * cd->ways; -} - extern void __init calibrate_delay(void); extern ATTRIB_NORET void cpu_idle(void); @@ -245,7 +218,6 @@ void __init smp_prepare_cpus(unsigned in { init_new_context(current, &init_mm); current_thread_info()->cpu = 0; - smp_tune_scheduling(); plat_prepare_cpus(max_cpus); #ifndef CONFIG_HOTPLUG_CPU cpu_present_map = cpu_possible_map; _