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authorMiaohe Lin <linmiaohe@huawei.com>2022-07-23 10:38:04 +0300
committerakpm <akpm@linux-foundation.org>2022-07-30 04:07:17 +0300
commit2727cfe4072a35ce813e3708f74c135de7da8897 (patch)
tree52e42a1856a053caf26610bde55c01e610799ea5 /mm/hugetlb_cgroup.c
parent360b420dbded8ad5b70a41de98e77354dd9e7d36 (diff)
downloadlinux-2727cfe4072a35ce813e3708f74c135de7da8897.tar.xz
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/hugetlb_cgroup.c')
-rw-r--r--mm/hugetlb_cgroup.c1
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;