diff options
Diffstat (limited to 'include/linux/rmap.h')
| -rw-r--r-- | include/linux/rmap.h | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/include/linux/rmap.h b/include/linux/rmap.h index 5dadb9a3e010..bd3504d11b15 100644 --- a/include/linux/rmap.h +++ b/include/linux/rmap.h @@ -204,15 +204,14 @@ void hugepage_add_anon_rmap(struct page *, struct vm_area_struct *, void hugepage_add_new_anon_rmap(struct page *, struct vm_area_struct *, unsigned long address); -void page_dup_compound_rmap(struct page *page); +static inline void __page_dup_rmap(struct page *page, bool compound) +{ + atomic_inc(compound ? compound_mapcount_ptr(page) : &page->_mapcount); +} static inline void page_dup_file_rmap(struct page *page, bool compound) { - /* Is page being mapped by PTE? */ - if (likely(!compound)) - atomic_inc(&page->_mapcount); - else - page_dup_compound_rmap(page); + __page_dup_rmap(page, compound); } /** @@ -261,7 +260,7 @@ static inline int page_try_dup_anon_rmap(struct page *page, bool compound, * the page R/O into both processes. */ dup: - page_dup_file_rmap(page, compound); + __page_dup_rmap(page, compound); return 0; } |