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| author | Alex Shi <alex.shi@intel.com> | 2013-06-20 10:18:54 +0800 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2013-06-27 10:07:40 +0200 |
| commit | bf5b986ed4d20428eeec3df4a03dbfebb9b6538c (patch) | |
| tree | cb3b21f66bb5e5e11a94db3bc26764497e814a26 /kernel/sched/sched.h | |
| parent | 72a4cf20cb71a327c636c7042fdacc25abffc87c (diff) | |
| download | talos-obmc-linux-bf5b986ed4d20428eeec3df4a03dbfebb9b6538c.tar.gz talos-obmc-linux-bf5b986ed4d20428eeec3df4a03dbfebb9b6538c.zip | |
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>
Diffstat (limited to 'kernel/sched/sched.h')
| -rw-r--r-- | kernel/sched/sched.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h index 9eb12d9edd35..5585eb25e9a3 100644 --- a/kernel/sched/sched.h +++ b/kernel/sched/sched.h @@ -150,7 +150,7 @@ struct task_group { atomic_t load_weight; #ifdef CONFIG_SMP - atomic64_t load_avg; + atomic_long_t load_avg; atomic_t runnable_avg; #endif #endif @@ -284,7 +284,7 @@ struct cfs_rq { #ifdef CONFIG_FAIR_GROUP_SCHED /* Required to track per-cpu representation of a task_group */ u32 tg_runnable_contrib; - u64 tg_load_contrib; + unsigned long tg_load_contrib; #endif /* CONFIG_FAIR_GROUP_SCHED */ /* |
