mirrors
/
linux-stable
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
1
0
Fork 0
Code Issues Releases Wiki Activity

- Do not pull tasks to the local scheduling group if its average load is 

higher than the average system load
 -----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmQ76uAACgkQEsHwGGHe
 VUpsNhAAt8FYuJD0oJs34mNIS75PrK6hd8zETj22BDW3QGdGvHT54DcgDkmCGwtC
 w2bSyPuNR1ZtLmKWt3EfSGuTDZDE/NS6OwPFgliOe68o76YgeVUezSBeHnaAoRDb
 38j5o7X3tvU5Qz1EqWhdiOX7EKUVy7tRK+W49HLHQCEZkpjISg96Qj2Rtu6iXRg2
 VPoyxb39NdtSCLDq2+ZkT2NayogX6hESZGDQ3/g9NJeOm4+y2VLqUfA6o9V6Aq5Y
 KRvWw/VsM6XiCLdkdjHAFMuiYCnXYKLAHuPKfxENqvCpXoA+5KxMadyG02hvAvo3
 WGP4sEvfH+NWAtAvAf4wkIwxx420NsTV+GN+XpYTAlg/g9C9uT1OB06k6V7CunkV
 3kA+WFyPYAcvd7onVkjQnJ3AI/muFZN+9uZKuBw0K/sjXnDzGHRW3cq0DoKpUDzp
 3ehfL1d8reN9k/ZoIlycrsnLTuUxzQfPkG8Wfngw2RwsFJtyO3FcRkAZptTtVcmg
 vW6Uzn35zhG8FLc5rLt4hHmoFhvbINu9KD3UXD3Ihst/fuvBE+Ys4WEP/UaRr9mg
 ovHCq0RRcAuOiWeioJJhIw3jaat4yylOPXBkV7Wzd2kMmMyGcHmkFGJCXlzX9EPQ
 9KaligBVyfr+SgM1sbob4jAA1ZUBIpUC/gN6Xim62o3W9PWG7tk=
 =E+yZ
 -----END PGP SIGNATURE-----

Merge tag 'sched_urgent_for_v6.3_rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull scheduler fix from Borislav Petkov:

 - Do not pull tasks to the local scheduling group if its average load
   is higher than the average system load

* tag 'sched_urgent_for_v6.3_rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  sched/fair: Fix imbalance overflow
This commit is contained in:
Linus Torvalds 2023-04-16 10:33:43 -07:00
parent e623175f64 91dcf1e806
commit 6c538e1adb
1 changed files with 10 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
kernel/sched/fair.c
View File

@ -10238,6 +10238,16 @@ static inline void calculate_imbalance(struct lb_env *env, struct sd_lb_stats *s
sds->avg_load = (sds->total_load * SCHED_CAPACITY_SCALE) /
sds->total_capacity;
/*
* If the local group is more loaded than the average system
* load, don't try to pull any tasks.
*/
if (local->avg_load >= sds->avg_load) {
env->imbalance = 0;
return;
}
}
/*