linux-kernel - [tip: sched/core] sched: Re-arrange the {EN,DE}QUEUE flags

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Message-ID: <176060721924.709179.15465733304415882859.tip-bot2@tip-bot2>
Date: Thu, 16 Oct 2025 09:33:39 -0000
From: "tip-bot2 for Peter Zijlstra" <tip-bot2@...utronix.de>
To: linux-tip-commits@...r.kernel.org
Cc: "Peter Zijlstra (Intel)" <peterz@...radead.org>,
 Juri Lelli <juri.lelli@...hat.com>, Tejun Heo <tj@...nel.org>,
 Vincent Guittot <vincent.guittot@...aro.org>, x86@...nel.org,
 linux-kernel@...r.kernel.org
Subject: [tip: sched/core] sched: Re-arrange the {EN,DE}QUEUE flags

The following commit has been merged into the sched/core branch of tip:

Commit-ID:     376f8963bbda5fee838eb1823b07562368104024
Gitweb:        https://git.kernel.org/tip/376f8963bbda5fee838eb1823b07562368104024
Author:        Peter Zijlstra <peterz@...radead.org>
AuthorDate:    Wed, 30 Oct 2024 13:52:05 +01:00
Committer:     Peter Zijlstra <peterz@...radead.org>
CommitterDate: Thu, 16 Oct 2025 11:13:50 +02:00

sched: Re-arrange the {EN,DE}QUEUE flags

Ensure the matched flags are in the low word while the unmatched flags
go into the second word.

Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
Reviewed-by: Juri Lelli <juri.lelli@...hat.com>
Acked-by: Tejun Heo <tj@...nel.org>
Acked-by: Vincent Guittot <vincent.guittot@...aro.org>
---
 kernel/sched/sched.h | 45 ++++++++++++++++++++++---------------------
 1 file changed, 24 insertions(+), 21 deletions(-)

diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index 6546849..24b3c6c 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -2362,27 +2362,30 @@ extern const u32		sched_prio_to_wmult[40];
  *
  */
 
-#define DEQUEUE_SLEEP		0x01 /* Matches ENQUEUE_WAKEUP */
-#define DEQUEUE_SAVE		0x02 /* Matches ENQUEUE_RESTORE */
-#define DEQUEUE_MOVE		0x04 /* Matches ENQUEUE_MOVE */
-#define DEQUEUE_NOCLOCK		0x08 /* Matches ENQUEUE_NOCLOCK */
-#define DEQUEUE_SPECIAL		0x10
-#define DEQUEUE_MIGRATING	0x100 /* Matches ENQUEUE_MIGRATING */
-#define DEQUEUE_DELAYED		0x200 /* Matches ENQUEUE_DELAYED */
-#define DEQUEUE_THROTTLE	0x800
-
-#define ENQUEUE_WAKEUP		0x01
-#define ENQUEUE_RESTORE		0x02
-#define ENQUEUE_MOVE		0x04
-#define ENQUEUE_NOCLOCK		0x08
-
-#define ENQUEUE_HEAD		0x10
-#define ENQUEUE_REPLENISH	0x20
-#define ENQUEUE_MIGRATED	0x40
-#define ENQUEUE_INITIAL		0x80
-#define ENQUEUE_MIGRATING	0x100
-#define ENQUEUE_DELAYED		0x200
-#define ENQUEUE_RQ_SELECTED	0x400
+#define DEQUEUE_SLEEP		0x0001 /* Matches ENQUEUE_WAKEUP */
+#define DEQUEUE_SAVE		0x0002 /* Matches ENQUEUE_RESTORE */
+#define DEQUEUE_MOVE		0x0004 /* Matches ENQUEUE_MOVE */
+#define DEQUEUE_NOCLOCK		0x0008 /* Matches ENQUEUE_NOCLOCK */
+
+#define DEQUEUE_MIGRATING	0x0010 /* Matches ENQUEUE_MIGRATING */
+#define DEQUEUE_DELAYED		0x0020 /* Matches ENQUEUE_DELAYED */
+
+#define DEQUEUE_SPECIAL		0x00010000
+#define DEQUEUE_THROTTLE	0x00020000
+
+#define ENQUEUE_WAKEUP		0x0001
+#define ENQUEUE_RESTORE		0x0002
+#define ENQUEUE_MOVE		0x0004
+#define ENQUEUE_NOCLOCK		0x0008
+
+#define ENQUEUE_MIGRATING	0x0010
+#define ENQUEUE_DELAYED		0x0020
+
+#define ENQUEUE_HEAD		0x00010000
+#define ENQUEUE_REPLENISH	0x00020000
+#define ENQUEUE_MIGRATED	0x00040000
+#define ENQUEUE_INITIAL		0x00080000
+#define ENQUEUE_RQ_SELECTED	0x00100000
 
 #define RETRY_TASK		((void *)-1UL)