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-rw-r--r--include/linux/hugetlb.h14
-rw-r--r--mm/migrate.c2
2 files changed, 13 insertions, 3 deletions
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index 496d02bdb997..20a0d5a08395 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -824,10 +824,15 @@ static inline pte_t arch_make_huge_pte(pte_t entry, unsigned int shift,
}
#endif
+static inline struct hstate *folio_hstate(struct folio *folio)
+{
+ VM_BUG_ON_FOLIO(!folio_test_hugetlb(folio), folio);
+ return size_to_hstate(folio_size(folio));
+}
+
static inline struct hstate *page_hstate(struct page *page)
{
- VM_BUG_ON_PAGE(!PageHuge(page), page);
- return size_to_hstate(page_size(page));
+ return folio_hstate(page_folio(page));
}
static inline unsigned hstate_index_to_shift(unsigned index)
@@ -1036,6 +1041,11 @@ static inline struct hstate *hstate_vma(struct vm_area_struct *vma)
return NULL;
}
+static inline struct hstate *folio_hstate(struct folio *folio)
+{
+ return NULL;
+}
+
static inline struct hstate *page_hstate(struct page *page)
{
return NULL;
diff --git a/mm/migrate.c b/mm/migrate.c
index dff333593a8a..556cb1c86e53 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -1620,7 +1620,7 @@ struct page *alloc_migration_target(struct page *page, unsigned long private)
nid = folio_nid(folio);
if (folio_test_hugetlb(folio)) {
- struct hstate *h = page_hstate(&folio->page);
+ struct hstate *h = folio_hstate(folio);
gfp_mask = htlb_modify_alloc_mask(h, gfp_mask);
return alloc_huge_page_nodemask(h, nid, mtc->nmask, gfp_mask);