diff options
Diffstat (limited to 'kernel/workqueue.c')
| -rw-r--r-- | kernel/workqueue.c | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/kernel/workqueue.c b/kernel/workqueue.c index 12c3080332bd..ad83662a0533 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -1690,17 +1690,14 @@ static void __pwq_activate_work(struct pool_workqueue *pwq, static bool tryinc_node_nr_active(struct wq_node_nr_active *nna) { int max = READ_ONCE(nna->max); + int old = atomic_read(&nna->nr); - while (true) { - int old, tmp; - - old = atomic_read(&nna->nr); + do { if (old >= max) return false; - tmp = atomic_cmpxchg_relaxed(&nna->nr, old, old + 1); - if (tmp == old) - return true; - } + } while (!atomic_try_cmpxchg_relaxed(&nna->nr, &old, old + 1)); + + return true; } /** |