linux-kernel - [PATCH v2 0/2] sched/rt: Move sched_rt_entity::back to CONFIG_RT_GROUP

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Message-Id: <20240605133557.2984-1-yajun.deng@linux.dev>
Date: Wed,  5 Jun 2024 21:35:55 +0800
From: Yajun Deng <yajun.deng@...ux.dev>
To: mingo@...hat.com,
	peterz@...radead.org,
	juri.lelli@...hat.com,
	vincent.guittot@...aro.org,
	dietmar.eggemann@....com,
	rostedt@...dmis.org,
	bsegall@...gle.com,
	mgorman@...e.de,
	bristot@...hat.com,
	vschneid@...hat.com
Cc: linux-kernel@...r.kernel.org,
	Yajun Deng <yajun.deng@...ux.dev>
Subject: [PATCH v2 0/2] sched/rt: Move sched_rt_entity::back to CONFIG_RT_GROUP_SCHED

The 'back' member 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.

v1 -> v2:
 - introduce rt_se_back() helper function.

Yajun Deng (2):
  sched/rt: Use 'back' only if CONFIG_RT_GROUP_SCHED is enabled
  sched/headers: Move sched_rt_entity::back to under the
    CONFIG_RT_GROUP_SCHED block

 include/linux/sched.h |  2 +-
 kernel/sched/rt.c     | 22 ++++++++++++++++------
 2 files changed, 17 insertions(+), 7 deletions(-)

-- 
2.25.1