diff options
| -rw-r--r-- | mm/hugetlb.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 308b0e3876b5..87761b042ed0 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -3826,13 +3826,15 @@ static long demote_free_hugetlb_folios(struct hstate *src, struct hstate *dst, for (i = 0; i < pages_per_huge_page(src); i += pages_per_huge_page(dst)) { struct page *page = folio_page(folio, i); + /* Careful: see __split_huge_page_tail() */ + struct folio *new_folio = (struct folio *)page; - page->mapping = NULL; clear_compound_head(page); prep_compound_page(page, dst->order); - init_new_hugetlb_folio(dst, page_folio(page)); - list_add(&page->lru, &dst_list); + new_folio->mapping = NULL; + init_new_hugetlb_folio(dst, new_folio); + list_add(&new_folio->lru, &dst_list); } } |