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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> |
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.. | ||
auto_group.c | ||
auto_group.h | ||
clock.c | ||
completion.c | ||
core.c | ||
cpuacct.c | ||
cpuacct.h | ||
cpudeadline.c | ||
cpudeadline.h | ||
cpupri.c | ||
cpupri.h | ||
cputime.c | ||
deadline.c | ||
debug.c | ||
fair.c | ||
features.h | ||
idle_task.c | ||
idle.c | ||
Makefile | ||
proc.c | ||
rt.c | ||
sched.h | ||
stats.c | ||
stats.h | ||
stop_task.c | ||
wait.c |