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Message-ID: <20251202081304.3103393-3-mingo@kernel.org>
Date: Tue,  2 Dec 2025 09:13:03 +0100
From: Ingo Molnar <mingo@...nel.org>
To: linux-kernel@...r.kernel.org
Cc: Peter Zijlstra <peterz@...radead.org>,
	Frederic Weisbecker <frederic@...nel.org>,
	Shrikanth Hegde <sshegde@...ux.ibm.com>,
	Juri Lelli <juri.lelli@...hat.com>,
	Dietmar Eggemann <dietmar.eggemann@....com>,
	Valentin Schneider <vschneid@...hat.com>,
	Vincent Guittot <vincent.guittot@...aro.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Mel Gorman <mgorman@...e.de>,
	Steven Rostedt <rostedt@...dmis.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...nel.org>,
	Frederic Weisbecker <fweisbec@...il.com>
Subject: [PATCH 2/3] sched/fair: Rename the 'has_blocked' parameter in update_blocked_load_status() to 'has_blocked_load'

There's three separate, independent pieces of logic in the
scheduler that are named 'has_blocked':

  1) nohz.has_blocked,
  2) rq->has_blocked_load - both of these relate to NOHZ balancing,

  3) and cfs_rq_has_blocked(), which operates on SMP load-balancing
     averages.

To reduce confusion, split these 3 shared uses of 'has_blocked' name
patterns into 3 distinct and greppable patterns:

  1) nohz.has_blocked related functions and variables use
     'has_blocked',

  2) rq->has_blocked_load related functions and variables use
    'has_blocked_load',

  3) and cfs_rq_has_blocked() uses 'has_blocked_load_avg'.

This patch implements (2) and renames the 'has_blocked' parameter
in update_blocked_load_status() to 'has_blocked_load'.

No change in functionality.

Cc: Shrikanth Hegde <sshegde@...ux.ibm.com>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Frederic Weisbecker <fweisbec@...il.com>
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 kernel/sched/fair.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 3f21b77b59ce..a8a67d25873c 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -9800,16 +9800,16 @@ static inline void update_blocked_load_tick(struct rq *rq)
 	WRITE_ONCE(rq->last_blocked_load_update_tick, jiffies);
 }
 
-static inline void update_blocked_load_status(struct rq *rq, bool has_blocked)
+static inline void update_blocked_load_status(struct rq *rq, bool has_blocked_load)
 {
-	if (!has_blocked)
+	if (!has_blocked_load)
 		rq->has_blocked_load = 0;
 }
 #else /* !CONFIG_NO_HZ_COMMON: */
 static inline bool cfs_rq_has_blocked(struct cfs_rq *cfs_rq) { return false; }
 static inline bool others_have_blocked(struct rq *rq) { return false; }
 static inline void update_blocked_load_tick(struct rq *rq) {}
-static inline void update_blocked_load_status(struct rq *rq, bool has_blocked) {}
+static inline void update_blocked_load_status(struct rq *rq, bool has_blocked_load) {}
 #endif /* !CONFIG_NO_HZ_COMMON */
 
 static bool __update_blocked_others(struct rq *rq, bool *done)
-- 
2.51.0


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