diff options
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/hugetlb.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/mm/hugetlb.c b/mm/hugetlb.c index a58b3739ed4b..7e4a80769c9e 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -2050,19 +2050,23 @@ int PageHuge(struct page *page) } EXPORT_SYMBOL_GPL(PageHuge); -/* - * PageHeadHuge() only returns true for hugetlbfs head page, but not for - * normal or transparent huge pages. +/** + * folio_test_hugetlb - Determine if the folio belongs to hugetlbfs + * @folio: The folio to test. + * + * Context: Any context. Caller should have a reference on the folio to + * prevent it from being turned into a tail page. + * Return: True for hugetlbfs folios, false for anon folios or folios + * belonging to other filesystems. */ -int PageHeadHuge(struct page *page_head) +bool folio_test_hugetlb(struct folio *folio) { - struct folio *folio = (struct folio *)page_head; if (!folio_test_large(folio)) - return 0; + return false; return folio->_folio_dtor == HUGETLB_PAGE_DTOR; } -EXPORT_SYMBOL_GPL(PageHeadHuge); +EXPORT_SYMBOL_GPL(folio_test_hugetlb); /* * Find and lock address space (mapping) in write mode. |