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Subject[PATCH v7 0/3] sched/rt: Move sched_rt_entity::back to CONFIG_RT_GROUP_SCHED
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The member back in struct sched_rt_entity only related to RT_GROUP_SCHED,
it should not place out of RT_GROUP_SCHED, move back to RT_GROUP_SCHED.
It will save a few bytes.

The 1st patch is introduce for_each_sched_rt_entity_back() & use it,
it no functional changes.

The 2nd patch is init 'back' in init_tg_rt_entry, it remove the call to
back when CONFIG_RT_GROUP_SCHED is disabled.

The 3rd patch is move sched_rt_entity::back to under the
CONFIG_RT_GROUP_SCHED block, it will save a few bytes.

Yajun Deng (3):
sched/rt: Introduce for_each_sched_rt_entity_back() & use it
sched/rt: Init 'back' in init_tg_rt_entry
sched/headers: Move sched_rt_entity::back to under the
CONFIG_RT_GROUP_SCHED block

include/linux/sched.h | 2 +-
kernel/sched/rt.c | 17 ++++++++++++-----
2 files changed, 13 insertions(+), 6 deletions(-)

--
2.25.1

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