[PATCH 1/6] hugetlb_cgroup: remove unneeded nr_pages > 0 check

From: Miaohe Lin
Date: Thu Jul 28 2022 - 08:20:17 EST


When code reaches here, nr_pages must be > 0. Remove unneeded nr_pages > 0
check to simplify the code.

Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>
---
mm/hugetlb_cgroup.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/hugetlb_cgroup.c b/mm/hugetlb_cgroup.c
index c86691c431fd..d16eb00c947d 100644
--- a/mm/hugetlb_cgroup.c
+++ b/mm/hugetlb_cgroup.c
@@ -442,7 +442,7 @@ void hugetlb_cgroup_uncharge_file_region(struct resv_map *resv,
if (hugetlb_cgroup_disabled() || !resv || !rg || !nr_pages)
return;

- if (rg->reservation_counter && resv->pages_per_hpage && nr_pages > 0 &&
+ if (rg->reservation_counter && resv->pages_per_hpage &&
!resv->reservation_counter) {
page_counter_uncharge(rg->reservation_counter,
nr_pages * resv->pages_per_hpage);
--
2.23.0