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| author | Dietmar Eggemann <dietmar.eggemann@arm.com> | 2014-02-26 11:19:33 +0000 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2014-02-27 12:41:00 +0100 |
| commit | f5f9739d7a0ccbdcf913a0b3604b134129d14f7e (patch) | |
| tree | 0a9052c1fb1f503114acb18ebde3669a6be0701d /kernel/sched/sched.h | |
| parent | 6990566b535908905b4eccda7cc9e09c2db52187 (diff) | |
| download | linux-f5f9739d7a0ccbdcf913a0b3604b134129d14f7e.tar.bz2 | |
sched: Put rq's sched_avg under CONFIG_FAIR_GROUP_SCHED
The struct sched_avg of struct rq is only used in case group
scheduling is enabled inside __update_tg_runnable_avg() to update
per-cpu representation of a task group. I.e. that there is no need to
maintain the runnable avg of a rq in the !CONFIG_FAIR_GROUP_SCHED case.
This patch guards struct sched_avg of struct rq and
update_rq_runnable_avg() with CONFIG_FAIR_GROUP_SCHED.
There is an extra empty definition for update_rq_runnable_avg()
necessary for the !CONFIG_FAIR_GROUP_SCHED && CONFIG_SMP case.
The function print_cfs_group_stats() which prints out struct sched_avg
of struct rq is already guarded with CONFIG_FAIR_GROUP_SCHED.
Reviewed-by: Ben Segall <bsegall@google.com>
Signed-off-by: Dietmar Eggemann <dietmar.eggemann@arm.com>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/530DCDC5.1060406@arm.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 d608125b36ef..046084ebb1fb 100644 --- a/kernel/sched/sched.h +++ b/kernel/sched/sched.h @@ -541,6 +541,8 @@ struct rq { #ifdef CONFIG_FAIR_GROUP_SCHED /* list of leaf cfs_rq on this cpu: */ struct list_head leaf_cfs_rq_list; + + struct sched_avg avg; #endif /* CONFIG_FAIR_GROUP_SCHED */ /* @@ -630,8 +632,6 @@ struct rq { #ifdef CONFIG_SMP struct llist_head wake_list; #endif - - struct sched_avg avg; }; static inline int cpu_of(struct rq *rq) |