Messages in this thread | | | Date | Thu, 30 Aug 2018 21:58:55 -0400 | From | Dennis Zhou <> | Subject | Re: [PATCH 20/23] mm: percpu: remove unnecessary unlikely() |
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On Fri, Aug 31, 2018 at 01:34:26AM +0300, Igor Stoppa wrote: > WARN_ON() already contains an unlikely(), so it's not necessary to > wrap it into another. > > Signed-off-by: Igor Stoppa <igor.stoppa@huawei.com> > Cc: zijun_hu <zijun_hu@htc.com> > Cc: Tejun Heo <tj@kernel.org> > Cc: Christoph Lameter <cl@linux.com> > Cc: Dennis Zhou <dennisszhou@gmail.com> > --- > mm/percpu.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/mm/percpu.c b/mm/percpu.c > index a749d4d96e3e..f5c2796fe63e 100644 > --- a/mm/percpu.c > +++ b/mm/percpu.c > @@ -2588,7 +2588,7 @@ int __init pcpu_page_first_chunk(size_t reserved_size, > BUG_ON(ai->nr_groups != 1); > upa = ai->alloc_size/ai->unit_size; > nr_g0_units = roundup(num_possible_cpus(), upa); > - if (unlikely(WARN_ON(ai->groups[0].nr_units != nr_g0_units))) { > + if (WARN_ON(ai->groups[0].nr_units != nr_g0_units)) { > pcpu_free_alloc_info(ai); > return -EINVAL; > } > -- > 2.17.1 >
Acked-by: Dennis Zhou <dennisszhou@gmail.com>
Thanks, Dennis
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