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Subject[patch 06/39] hrtimer: Make the statistics fields smaller
No point in having usigned long for /proc/timer_list statistics. Make
them unsigned int.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
include/linux/hrtimer.h | 8 ++++----
kernel/time/hrtimer.c | 4 ++--
kernel/time/timer_list.c | 2 +-
3 files changed, 7 insertions(+), 7 deletions(-)

Index: tip/include/linux/hrtimer.h
===================================================================
--- tip.orig/include/linux/hrtimer.h
+++ tip/include/linux/hrtimer.h
@@ -187,10 +187,10 @@ struct hrtimer_cpu_base {
int in_hrtirq;
int hres_active;
int hang_detected;
- unsigned long nr_events;
- unsigned long nr_retries;
- unsigned long nr_hangs;
- ktime_t max_hang_time;
+ unsigned int nr_events;
+ unsigned int nr_retries;
+ unsigned int nr_hangs;
+ unsigned int max_hang_time;
#endif
struct hrtimer_clock_base clock_base[HRTIMER_MAX_CLOCK_BASES];
};
Index: tip/kernel/time/hrtimer.c
===================================================================
--- tip.orig/kernel/time/hrtimer.c
+++ tip/kernel/time/hrtimer.c
@@ -1319,8 +1319,8 @@ retry:
cpu_base->hang_detected = 1;
raw_spin_unlock(&cpu_base->lock);
delta = ktime_sub(now, entry_time);
- if (delta.tv64 > cpu_base->max_hang_time.tv64)
- cpu_base->max_hang_time = delta;
+ if ((unsigned int)delta.tv64 > cpu_base->max_hang_time)
+ cpu_base->max_hang_time = (unsigned int) delta.tv64;
/*
* Limit it to a sensible value as we enforce a longer
* delay. Give the CPU at least 100ms to catch up.
Index: tip/kernel/time/timer_list.c
===================================================================
--- tip.orig/kernel/time/timer_list.c
+++ tip/kernel/time/timer_list.c
@@ -158,7 +158,7 @@ static void print_cpu(struct seq_file *m
P(nr_events);
P(nr_retries);
P(nr_hangs);
- P_ns(max_hang_time);
+ P(max_hang_time);
#endif
#undef P
#undef P_ns



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