git: d33c9cbc3e6e - stable/15 - sched_4bsd: remove kern.sched.4bsd.followon

The branch stable/15 has been updated by mchoo:

URL: https://cgit.FreeBSD.org/src/commit/?id=d33c9cbc3e6e5c75ac7999b1ba14cf17bb19e052

commit d33c9cbc3e6e5c75ac7999b1ba14cf17bb19e052
Author:     Minsoo Choo <mchoo@FreeBSD.org>
AuthorDate: 2026-08-24 02:25:30 +0000
Commit:     Minsoo Choo <mchoo@FreeBSD.org>
CommitDate: 2026-10-02 15:34:29 +0000

    sched_4bsd: remove kern.sched.4bsd.followon
    
    kern.sched.4bsd.followon was enabled only for KSE. It was never compiled
    since ad1e7d285ab1 and KSE was removed years ago. Now it's time to
    remove this tunable.
    
    Reviewed by:    olce
    Approved by:    olce (mentor)
    MFC after:      2 weeks
    Sponsored by:   FreeBSD Foundation
    Differential Revision:  https://reviews.freebsd.org/D59394
    
    (cherry picked from commit d29c9f5aca3463e3c7f2fa2263795a78c6430d2d)
---
 sys/kern/sched_4bsd.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/sys/kern/sched_4bsd.c b/sys/kern/sched_4bsd.c
index 9c3a8821e2c9..2cd882eb301d 100644
--- a/sys/kern/sched_4bsd.c
+++ b/sys/kern/sched_4bsd.c
@@ -252,12 +252,6 @@ SYSCTL_INT(_kern_sched_4bsd_ipiwakeup, OID_AUTO, useloop, CTLFLAG_RW,
 	   "Use a loop to find idle cpus");
 
 #endif
-#if 0
-static int sched_followon = 0;
-SYSCTL_INT(_kern_sched_4bsd, OID_AUTO, followon, CTLFLAG_RW,
-	   &sched_followon, 0,
-	   "allow threads to share a quantum");
-#endif
 
 static __inline void
 sched_load_add(void)