lib/percpu_counter.c: use helper macro abs()
Use helper macro abs() to simplify the "x >= t || x <= -t" cmp. Signed-off-by: Miaohe Lin <linmiaohe@huawei.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Andrew Morton <akpm@linux-foundation.org> Link: https://lkml.kernel.org/r/20200927122746.5964-1-linmiaohe@huawei.com Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
parent
6ed9b92e29
commit
1d339638a9
|
@ -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;
|
||||
|
|
Loading…
Reference in New Issue