| From: David Hildenbrand <david@redhat.com> |
| Subject: mm: remove total_mapcount() |
| Date: Mon, 26 Feb 2024 15:13:24 +0100 |
| |
| All users of total_mapcount() are gone, let's remove it. |
| |
| Link: https://lkml.kernel.org/r/20240226141324.278526-3-david@redhat.com |
| Signed-off-by: David Hildenbrand <david@redhat.com> |
| Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org> |
| Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
| --- |
| |
| include/linux/mm.h | 9 +-------- |
| 1 file changed, 1 insertion(+), 8 deletions(-) |
| |
| --- a/include/linux/mm.h~mm-remove-total_mapcount |
| +++ a/include/linux/mm.h |
| @@ -1183,7 +1183,7 @@ static inline int is_vmalloc_or_module_a |
| * How many times the entire folio is mapped as a single unit (eg by a |
| * PMD or PUD entry). This is probably not what you want, except for |
| * debugging purposes - it does not include PTE-mapped sub-pages; look |
| - * at folio_mapcount() or page_mapcount() or total_mapcount() instead. |
| + * at folio_mapcount() or page_mapcount() instead. |
| */ |
| static inline int folio_entire_mapcount(struct folio *folio) |
| { |
| @@ -1243,13 +1243,6 @@ static inline int folio_mapcount(struct |
| return folio_total_mapcount(folio); |
| } |
| |
| -static inline int total_mapcount(struct page *page) |
| -{ |
| - if (likely(!PageCompound(page))) |
| - return atomic_read(&page->_mapcount) + 1; |
| - return folio_total_mapcount(page_folio(page)); |
| -} |
| - |
| static inline bool folio_large_is_mapped(struct folio *folio) |
| { |
| /* |
| _ |
