From 1871e52c76dd95895caeb772f845a1718dcbcd75 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Thu, 29 Oct 2009 22:34:13 +0900 Subject: percpu: make percpu symbols under kernel/ and mm/ unique This patch updates percpu related symbols under kernel/ and mm/ such that percpu symbols are unique and don't clash with local symbols. This serves two purposes of decreasing the possibility of global percpu symbol collision and allowing dropping per_cpu__ prefix from percpu symbols. * kernel/lockdep.c: s/lock_stats/cpu_lock_stats/ * kernel/sched.c: s/init_rq_rt/init_rt_rq_var/ (any better idea?) s/sched_group_cpus/sched_groups/ * kernel/softirq.c: s/ksoftirqd/run_ksoftirqd/a * kernel/softlockup.c: s/(*)_timestamp/softlockup_\1_ts/ s/watchdog_task/softlockup_watchdog/ s/timestamp/ts/ for local variables * kernel/time/timer_stats: s/lookup_lock/tstats_lookup_lock/ * mm/slab.c: s/reap_work/slab_reap_work/ s/reap_node/slab_reap_node/ * mm/vmstat.c: local variable changed to avoid collision with vmstat_work Partly based on Rusty Russell's "alloc_percpu: rename percpu vars which cause name clashes" patch. Signed-off-by: Tejun Heo Acked-by: (slab/vmstat) Christoph Lameter Reviewed-by: Christoph Lameter Cc: Rusty Russell Cc: Ingo Molnar Cc: Thomas Gleixner Cc: Andrew Morton Cc: Nick Piggin --- mm/vmstat.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) (limited to 'mm/vmstat.c') diff --git a/mm/vmstat.c b/mm/vmstat.c index c81321f9feec..dad2327e4580 100644 --- a/mm/vmstat.c +++ b/mm/vmstat.c @@ -883,11 +883,10 @@ static void vmstat_update(struct work_struct *w) static void __cpuinit start_cpu_timer(int cpu) { - struct delayed_work *vmstat_work = &per_cpu(vmstat_work, cpu); + struct delayed_work *work = &per_cpu(vmstat_work, cpu); - INIT_DELAYED_WORK_DEFERRABLE(vmstat_work, vmstat_update); - schedule_delayed_work_on(cpu, vmstat_work, - __round_jiffies_relative(HZ, cpu)); + INIT_DELAYED_WORK_DEFERRABLE(work, vmstat_update); + schedule_delayed_work_on(cpu, work, __round_jiffies_relative(HZ, cpu)); } /* -- cgit v1.2.3