diff options
| author | Miaohe Lin <linmiaohe@huawei.com> | 2022-07-29 16:01:02 +0800 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2022-09-11 20:25:52 -0700 |
| commit | 862f7f6581a353ee320beb2921f5e70b6afda5f2 (patch) | |
| tree | 9c9bdbf423272aa30f7cf76294d93aa25690d61d /mm/hugetlb_cgroup.c | |
| parent | 6f83d6c74ea5a5b267be85206822da280cae110a (diff) | |
| download | linux-next-862f7f6581a353ee320beb2921f5e70b6afda5f2.tar.gz | |
hugetlb_cgroup: remove unneeded nr_pages > 0 check
Patch series "A few cleanup patches for hugetlb_cgroup", v2.
This series contains a few cleaup patches to remove unneeded check, use
helper macro, remove unneeded return value and so on. More details can be
found in the respective changelogs.
This patch (of 5):
When code reaches here, nr_pages must be > 0. Remove unneeded nr_pages > 0
check to simplify the code.
Link: https://lkml.kernel.org/r/20220729080106.12752-1-linmiaohe@huawei.com
Link: https://lkml.kernel.org/r/20220729080106.12752-2-linmiaohe@huawei.com
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Reviewed-by: Mina Almasry <almasrymina@google.com>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/hugetlb_cgroup.c')
| -rw-r--r-- | mm/hugetlb_cgroup.c | 2 |
1 files changed, 1 insertions, 1 deletions
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); |