diff options
Diffstat (limited to 'include/linux/mm.h')
| -rw-r--r-- | include/linux/mm.h | 15 |
1 files changed, 3 insertions, 12 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h index a6afa6c51a4d..7ff6e2410aa3 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -831,16 +831,7 @@ static inline int is_vmalloc_or_module_addr(const void *x) static inline int folio_entire_mapcount(struct folio *folio) { VM_BUG_ON_FOLIO(!folio_test_large(folio), folio); - return atomic_read(folio_mapcount_ptr(folio)) + 1; -} - -/* - * Mapcount of compound page as a whole, does not include mapped sub-pages. - * Must be called only on head of compound page. - */ -static inline int head_compound_mapcount(struct page *head) -{ - return atomic_read(compound_mapcount_ptr(head)) + 1; + return atomic_read(&folio->_entire_mapcount) + 1; } /* @@ -905,11 +896,11 @@ static inline int total_mapcount(struct page *page) static inline bool folio_large_is_mapped(struct folio *folio) { /* - * Reading folio_mapcount_ptr() below could be omitted if hugetlb + * Reading _entire_mapcount below could be omitted if hugetlb * participated in incrementing nr_pages_mapped when compound mapped. */ return atomic_read(&folio->_nr_pages_mapped) > 0 || - atomic_read(folio_mapcount_ptr(folio)) >= 0; + atomic_read(&folio->_entire_mapcount) >= 0; } /** |