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| author | Miaohe Lin <linmiaohe@huawei.com> | 2022-07-23 09:38:04 +0200 |
|---|---|---|
| committer | akpm <akpm@linux-foundation.org> | 2022-07-30 03:07:17 +0200 |
| commit | 2727cfe4072a35ce813e3708f74c135de7da8897 (patch) | |
| tree | 52e42a1856a053caf26610bde55c01e610799ea5 /mm | |
| parent | selftest/vm: uninitialized variable in main() (diff) | |
| download | linux-2727cfe4072a35ce813e3708f74c135de7da8897.tar.xz linux-2727cfe4072a35ce813e3708f74c135de7da8897.zip | |
hugetlb_cgroup: fix wrong hugetlb cgroup numa stat
We forget to set cft->private for numa stat file. As a result, numa stat
of hstates[0] is always showed for all hstates. Encode the hstates index
into cft->private to fix this issue.
Link: https://lkml.kernel.org/r/20220723073804.53035-1-linmiaohe@huawei.com
Fixes: f47761999052 ("hugetlb: add hugetlb.*.numa_stat file")
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Acked-by: Muchun Song <songmuchun@bytedance.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Mina Almasry <almasrymina@google.com>
Cc: Shakeel Butt <shakeelb@google.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/hugetlb_cgroup.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/mm/hugetlb_cgroup.c b/mm/hugetlb_cgroup.c index f9942841df18..c86691c431fd 100644 --- a/mm/hugetlb_cgroup.c +++ b/mm/hugetlb_cgroup.c @@ -772,6 +772,7 @@ static void __init __hugetlb_cgroup_file_dfl_init(int idx) /* Add the numa stat file */ cft = &h->cgroup_files_dfl[6]; snprintf(cft->name, MAX_CFTYPE_NAME, "%s.numa_stat", buf); + cft->private = MEMFILE_PRIVATE(idx, 0); cft->seq_show = hugetlb_cgroup_read_numa_stat; cft->flags = CFTYPE_NOT_ON_ROOT; |