[PATCH v4 3/3] sched: fix some typos in include/linux/preempt.h

Menglong Dong
2025-08-28T06:04:29Z

There are some typos in the comments of migrate in
include/linux/preempt.h:

elegible -> eligible
it's -> its
migirate_disable -> migrate_disable
abritrary -> arbitrary

Just fix them.

Signed-off-by: Menglong Dong <dongml2@chinatelecom.cn>
---
include/linux/preempt.h | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/include/linux/preempt.h b/include/linux/preempt.h
index 92237c319035..102202185d7a 100644
--- a/include/linux/preempt.h
+++ b/include/linux/preempt.h
@@ -372,7 +372,7 @@ static inline void preempt_notifier_init(struct preempt_notifier *notifier,
/*
* Migrate-Disable and why it is undesired.
*
- * When a preempted task becomes elegible to run under the ideal model (IOW it
+ * When a preempted task becomes eligible to run under the ideal model (IOW it
* becomes one of the M highest priority tasks), it might still have to wait
* for the preemptee's migrate_disable() section to complete. Thereby suffering
* a reduction in bandwidth in the exact duration of the migrate_disable()
@@ -387,7 +387,7 @@ static inline void preempt_notifier_init(struct preempt_notifier *notifier,
* - a lower priority tasks; which under preempt_disable() could've instantly
* migrated away when another CPU becomes available, is now constrained
* by the ability to push the higher priority task away, which might itself be
- * in a migrate_disable() section, reducing it's available bandwidth.
+ * in a migrate_disable() section, reducing its available bandwidth.
*
* IOW it trades latency / moves the interference term, but it stays in the
* system, and as long as it remains unbounded, the system is not fully
@@ -399,7 +399,7 @@ static inline void preempt_notifier_init(struct preempt_notifier *notifier,
* PREEMPT_RT breaks a number of assumptions traditionally held. By forcing a
* number of primitives into becoming preemptible, they would also allow
* migration. This turns out to break a bunch of per-cpu usage. To this end,
- * all these primitives employ migirate_disable() to restore this implicit
+ * all these primitives employ migrate_disable() to restore this implicit
* assumption.
*
* This is a 'temporary' work-around at best. The correct solution is getting
@@ -407,7 +407,7 @@ static inline void preempt_notifier_init(struct preempt_notifier *notifier,
* per-cpu locking or short preempt-disable regions.
*
* The end goal must be to get rid of migrate_disable(), alternatively we need
- * a schedulability theory that does not depend on abritrary migration.
+ * a schedulability theory that does not depend on arbitrary migration.
*
*
* Notes on the implementation.
--
2.51.0