AcoSail/kernel_optimize_test
8
0
Fork 0
forked from luck/tmp_suning_uos_patched
Code Pull Requests Activity

mm: percpu: remove unnecessary unlikely()

Browse Source 
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: Tejun Heo <tj@kernel.org>
Cc: zijun_hu <zijun_hu@htc.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: linux-mm@kvack.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Dennis Zhou <dennis@kernel.org>
This commit is contained in:
Igor Stoppa 2018-08-31 22:44:22 +03:00 committed by Dennis Zhou
parent 11da3a7f84
commit 0b59c25f91
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
mm/percpu.c
View File

@ -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;
}