diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/rmap.h | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/include/linux/rmap.h b/include/linux/rmap.h index 1973649e8f93..011a7530dc76 100644 --- a/include/linux/rmap.h +++ b/include/linux/rmap.h @@ -204,16 +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); -static inline void __page_dup_rmap(struct page *page, bool compound) -{ - if (!compound && PageCompound(page)) - atomic_inc(subpages_mapcount_ptr(compound_head(page))); - atomic_inc(compound ? compound_mapcount_ptr(page) : &page->_mapcount); -} +void page_dup_compound_rmap(struct page *page, bool compound); static inline void page_dup_file_rmap(struct page *page, bool compound) { - __page_dup_rmap(page, compound); + if (PageCompound(page)) + page_dup_compound_rmap(page, compound); + else + atomic_inc(&page->_mapcount); } /** @@ -262,7 +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_rmap(page, compound); + page_dup_file_rmap(page, compound); return 0; } |