Messages in this thread Patch in this message |  | | | Date | Sat, 18 Sep 2010 11:58:31 -0700 | | From | Greg KH <> | | Subject | [067/123] sched: Remove unused cpu_nr_migrations() |
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From: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>
commit 9824a2b728b63e7ff586b9fd9293c819be79f0f3 upstream
cpu_nr_migrations() is not used, remove it.
Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> LKML-Reference: <4AF12A66.6020609@ct.jp.nec.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Mike Galbraith <efault@gmx.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> --- include/linux/sched.h | 1 - kernel/sched.c | 11 ----------- 2 files changed, 12 deletions(-) --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -145,7 +145,6 @@ extern unsigned long this_cpu_load(void) extern void calc_global_load(void); -extern u64 cpu_nr_migrations(int cpu); extern unsigned long get_parent_ip(unsigned long addr); --- a/kernel/sched.c +++ b/kernel/sched.c @@ -542,7 +542,6 @@ struct rq { struct load_weight load; unsigned long nr_load_updates; u64 nr_switches; - u64 nr_migrations_in; struct cfs_rq cfs; struct rt_rq rt; @@ -2089,7 +2088,6 @@ void set_task_cpu(struct task_struct *p, #endif if (old_cpu != new_cpu) { p->se.nr_migrations++; - new_rq->nr_migrations_in++; #ifdef CONFIG_SCHEDSTATS if (task_hot(p, old_rq->clock, NULL)) schedstat_inc(p, se.nr_forced2_migrations); @@ -3048,15 +3046,6 @@ static void calc_load_account_active(str } /* - * Externally visible per-cpu scheduler statistics: - * cpu_nr_migrations(cpu) - number of migrations into that cpu - */ -u64 cpu_nr_migrations(int cpu) -{ - return cpu_rq(cpu)->nr_migrations_in; -} - -/* * Update rq->cpu_load[] statistics. This function is usually called every * scheduler tick (TICK_NSEC). */
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