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Diffstat (limited to 'include/linux/hugetlb_cgroup.h')
-rw-r--r--include/linux/hugetlb_cgroup.h39
1 files changed, 20 insertions, 19 deletions
diff --git a/include/linux/hugetlb_cgroup.h b/include/linux/hugetlb_cgroup.h
index 7576e9ed8afe..feb2edafc8b6 100644
--- a/include/linux/hugetlb_cgroup.h
+++ b/include/linux/hugetlb_cgroup.h
@@ -67,27 +67,34 @@ struct hugetlb_cgroup {
};
static inline struct hugetlb_cgroup *
-__hugetlb_cgroup_from_page(struct page *page, bool rsvd)
+__hugetlb_cgroup_from_folio(struct folio *folio, bool rsvd)
{
- VM_BUG_ON_PAGE(!PageHuge(page), page);
+ struct page *tail;
- if (compound_order(page) < HUGETLB_CGROUP_MIN_ORDER)
+ VM_BUG_ON_FOLIO(!folio_test_hugetlb(folio), folio);
+ if (folio_order(folio) < HUGETLB_CGROUP_MIN_ORDER)
return NULL;
- if (rsvd)
- return (void *)page_private(page + SUBPAGE_INDEX_CGROUP_RSVD);
- else
- return (void *)page_private(page + SUBPAGE_INDEX_CGROUP);
+
+ if (rsvd) {
+ tail = folio_page(folio, SUBPAGE_INDEX_CGROUP_RSVD);
+ return (void *)page_private(tail);
+ }
+
+ else {
+ tail = folio_page(folio, SUBPAGE_INDEX_CGROUP);
+ return (void *)page_private(tail);
+ }
}
-static inline struct hugetlb_cgroup *hugetlb_cgroup_from_page(struct page *page)
+static inline struct hugetlb_cgroup *hugetlb_cgroup_from_folio(struct folio *folio)
{
- return __hugetlb_cgroup_from_page(page, false);
+ return __hugetlb_cgroup_from_folio(folio, false);
}
static inline struct hugetlb_cgroup *
-hugetlb_cgroup_from_page_rsvd(struct page *page)
+hugetlb_cgroup_from_folio_rsvd(struct folio *folio)
{
- return __hugetlb_cgroup_from_page(page, true);
+ return __hugetlb_cgroup_from_folio(folio, true);
}
static inline void __set_hugetlb_cgroup(struct folio *folio,
@@ -181,19 +188,13 @@ static inline void hugetlb_cgroup_uncharge_file_region(struct resv_map *resv,
{
}
-static inline struct hugetlb_cgroup *hugetlb_cgroup_from_page(struct page *page)
-{
- return NULL;
-}
-
-static inline struct hugetlb_cgroup *
-hugetlb_cgroup_from_page_resv(struct page *page)
+static inline struct hugetlb_cgroup *hugetlb_cgroup_from_folio(struct folio *folio)
{
return NULL;
}
static inline struct hugetlb_cgroup *
-hugetlb_cgroup_from_page_rsvd(struct page *page)
+hugetlb_cgroup_from_folio_rsvd(struct folio *folio)
{
return NULL;
}