diff options
Diffstat (limited to 'include/linux/mm.h')
| -rw-r--r-- | include/linux/mm.h | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h index 7b1068ddcbb7..1f80baddacc5 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -1458,7 +1458,10 @@ static inline void folio_get(struct folio *folio) static inline void get_page(struct page *page) { - folio_get(page_folio(page)); + struct folio *folio = page_folio(page); + if (WARN_ON_ONCE(folio_test_slab(folio))) + return; + folio_get(folio); } static inline __must_check bool try_get_page(struct page *page) @@ -1552,6 +1555,9 @@ static inline void put_page(struct page *page) { struct folio *folio = page_folio(page); + if (folio_test_slab(folio)) + return; + /* * For some devmap managed pages we need to catch refcount transition * from 2 to 1: @@ -3420,7 +3426,6 @@ extern vm_fault_t filemap_fault(struct vm_fault *vmf); extern vm_fault_t filemap_map_pages(struct vm_fault *vmf, pgoff_t start_pgoff, pgoff_t end_pgoff); extern vm_fault_t filemap_page_mkwrite(struct vm_fault *vmf); -extern vm_fault_t filemap_fsnotify_fault(struct vm_fault *vmf); extern unsigned long stack_guard_gap; /* Generic expand stack which grows the stack according to GROWS{UP,DOWN} */ |