sched/tg: Use 'unsigned long' for load variable in task group
Since tg->load_avg is smaller than tg->load_weight, we don't need a
atomic64_t variable for load_avg in 32 bit machine.
The same reason for cfs_rq->tg_load_contrib.
The atomic_long_t/unsigned long variable type are more efficient and
convenience for them.
Signed-off-by: Alex Shi <alex.shi@intel.com>
Tested-by: Vincent Guittot <vincent.guittot@linaro.org>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1371694737-29336-11-git-send-email-alex.shi@intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c
index 160afdc..d803989 100644
--- a/kernel/sched/debug.c
+++ b/kernel/sched/debug.c
@@ -215,9 +215,9 @@
cfs_rq->runnable_load_avg);
SEQ_printf(m, " .%-30s: %ld\n", "blocked_load_avg",
cfs_rq->blocked_load_avg);
- SEQ_printf(m, " .%-30s: %lld\n", "tg_load_avg",
- (unsigned long long)atomic64_read(&cfs_rq->tg->load_avg));
- SEQ_printf(m, " .%-30s: %lld\n", "tg_load_contrib",
+ SEQ_printf(m, " .%-30s: %ld\n", "tg_load_avg",
+ atomic_long_read(&cfs_rq->tg->load_avg));
+ SEQ_printf(m, " .%-30s: %ld\n", "tg_load_contrib",
cfs_rq->tg_load_contrib);
SEQ_printf(m, " .%-30s: %d\n", "tg_runnable_contrib",
cfs_rq->tg_runnable_contrib);