diff options
Diffstat (limited to 'mm/hugetlb_cgroup.c')
| -rw-r--r-- | mm/hugetlb_cgroup.c | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/mm/hugetlb_cgroup.c b/mm/hugetlb_cgroup.c index a3f358fb8a0..a0143e5f4a6 100644 --- a/mm/hugetlb_cgroup.c +++ b/mm/hugetlb_cgroup.c @@ -340,7 +340,7 @@ static char *mem_fmt(char *buf, int size, unsigned long hsize) return buf; } -int __init hugetlb_cgroup_file_init(int idx) +static void __init __hugetlb_cgroup_file_init(int idx) { char buf[32]; struct cftype *cft; @@ -382,7 +382,22 @@ int __init hugetlb_cgroup_file_init(int idx) WARN_ON(cgroup_add_cftypes(&hugetlb_subsys, h->cgroup_files)); - return 0; + return; +} + +void __init hugetlb_cgroup_file_init(void) +{ + struct hstate *h; + + for_each_hstate(h) { + /* + * Add cgroup control files only if the huge page consists + * of more than two normal pages. This is because we use + * page[2].lru.next for storing cgroup details. + */ + if (huge_page_order(h) >= HUGETLB_CGROUP_MIN_ORDER) + __hugetlb_cgroup_file_init(hstate_index(h)); + } } /* |