Messages in this thread Patch in this message |  | | From | Miaohe Lin <> | Subject | [PATCH] percpu_counter: Use helper macro abs() | Date | Sun, 27 Sep 2020 08:27:46 -0400 |
| |
Use helper macro abs() to simplify the "x >= t || x <= -t" cmp.
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com> --- lib/percpu_counter.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/lib/percpu_counter.c b/lib/percpu_counter.c index a2345de90e93..35aba0bd2bed 100644 --- a/lib/percpu_counter.c +++ b/lib/percpu_counter.c @@ -85,7 +85,7 @@ void percpu_counter_add_batch(struct percpu_counter *fbc, s64 amount, s32 batch) preempt_disable(); count = __this_cpu_read(*fbc->counters) + amount; - if (count >= batch || count <= -batch) { + if (abs(count) >= batch) { unsigned long flags; raw_spin_lock_irqsave(&fbc->lock, flags); fbc->count += count; -- 2.19.1
|  |