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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2017-09-12 11:30:56 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-09-12 11:30:56 -0700 |
| commit | 040b9d7ccff40e1fbd48029e3c769db188a3ba2c (patch) | |
| tree | 43ab6312d5108302c4b67753597850275a9ee4ed /kernel/cgroup | |
| parent | e6328a7abe7f8fcd32e9d3bcbd14ff2161bf71c9 (diff) | |
| parent | 46123355af729514e6fa8b8a9dd1e645e61a6466 (diff) | |
Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fixes from Ingo Molnar:
"Three fixes:
- fix a suspend/resume cpusets bug
- fix a !CONFIG_NUMA_BALANCING bug
- fix a kerneldoc warning"
* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/fair: Fix nuisance kernel-doc warning
sched/cpuset/pm: Fix cpuset vs. suspend-resume bugs
sched/fair: Fix wake_affine_llc() balancing rules
Diffstat (limited to 'kernel/cgroup')
| -rw-r--r-- | kernel/cgroup/cpuset.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/kernel/cgroup/cpuset.c b/kernel/cgroup/cpuset.c index 67230ecf2ce1..4657e2924ecb 100644 --- a/kernel/cgroup/cpuset.c +++ b/kernel/cgroup/cpuset.c @@ -2275,6 +2275,13 @@ retry: mutex_unlock(&cpuset_mutex); } +static bool force_rebuild; + +void cpuset_force_rebuild(void) +{ + force_rebuild = true; +} + /** * cpuset_hotplug_workfn - handle CPU/memory hotunplug for a cpuset * @@ -2349,8 +2356,10 @@ static void cpuset_hotplug_workfn(struct work_struct *work) } /* rebuild sched domains if cpus_allowed has changed */ - if (cpus_updated) + if (cpus_updated || force_rebuild) { + force_rebuild = false; rebuild_sched_domains(); + } } void cpuset_update_active_cpus(void) @@ -2363,6 +2372,11 @@ void cpuset_update_active_cpus(void) schedule_work(&cpuset_hotplug_work); } +void cpuset_wait_for_hotplug(void) +{ + flush_work(&cpuset_hotplug_work); +} + /* * Keep top_cpuset.mems_allowed tracking node_states[N_MEMORY]. * Call this routine anytime after node_states[N_MEMORY] changes. |