diff options
| author |   Thomas Gleixner <tglx@linutronix.de> | 2017-04-04 11:31:12 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2017-04-04 11:31:12 +0200 |
| commit | 38bffdac071b720db627bfd2b125a2802a04d419 (patch) | |
| tree | c2e9cf66fa6ff1cc3092079e3eedeb4e6c402227 /mm/percpu.c | |
| parent | locking/ww-mutex: Limit stress test to 2 seconds (diff) | |
| parent | sched/fair: Optimize ___update_sched_avg() (diff) | |
| download | wireguard-linux-38bffdac071b720db627bfd2b125a2802a04d419.tar.xz wireguard-linux-38bffdac071b720db627bfd2b125a2802a04d419.zip | |
Merge branch 'sched/core' into locking/core
Required for the rtmutex/sched_deadline patches which depend on both
branches
Diffstat (limited to 'mm/percpu.c')
| -rw-r--r-- | mm/percpu.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/mm/percpu.c b/mm/percpu.c index bd7416752819..e0aa8ae7bde7 100644 --- a/mm/percpu.c +++ b/mm/percpu.c @@ -1011,8 +1011,11 @@ area_found: mutex_unlock(&pcpu_alloc_mutex); } - if (chunk != pcpu_reserved_chunk) + if (chunk != pcpu_reserved_chunk) { + spin_lock_irqsave(&pcpu_lock, flags); pcpu_nr_empty_pop_pages -= occ_pages; + spin_unlock_irqrestore(&pcpu_lock, flags); + } if (pcpu_nr_empty_pop_pages < PCPU_EMPTY_POP_PAGES_LOW) pcpu_schedule_balance_work(); |