diff options
Diffstat (limited to 'mm/swap.c')
| -rw-r--r-- | mm/swap.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/mm/swap.c b/mm/swap.c index 4f44dbd7f780..60b1d2a75852 100644 --- a/mm/swap.c +++ b/mm/swap.c @@ -688,7 +688,7 @@ static void lru_add_drain_per_cpu(struct work_struct *dummy) static DEFINE_PER_CPU(struct work_struct, lru_add_drain_work); -void lru_add_drain_all(void) +void lru_add_drain_all_cpuslocked(void) { static DEFINE_MUTEX(lock); static struct cpumask has_work; @@ -702,7 +702,6 @@ void lru_add_drain_all(void) return; mutex_lock(&lock); - get_online_cpus(); cpumask_clear(&has_work); for_each_online_cpu(cpu) { @@ -722,10 +721,16 @@ void lru_add_drain_all(void) for_each_cpu(cpu, &has_work) flush_work(&per_cpu(lru_add_drain_work, cpu)); - put_online_cpus(); mutex_unlock(&lock); } +void lru_add_drain_all(void) +{ + get_online_cpus(); + lru_add_drain_all_cpuslocked(); + put_online_cpus(); +} + /** * release_pages - batched put_page() * @pages: array of pages to release |