| From: ZhangPeng <zhangpeng362@huawei.com> |
| Subject: mm: remove page_rmapping() |
| Date: Sat, 1 Jul 2023 11:28:53 +0800 |
| |
| After converting the last user to folio_raw_mapping(), we can safely |
| remove the function. |
| |
| Link: https://lkml.kernel.org/r/20230701032853.258697-3-zhangpeng362@huawei.com |
| Signed-off-by: ZhangPeng <zhangpeng362@huawei.com> |
| Reviewed-by: Sidhartha Kumar <sidhartha.kumar@oracle.com> |
| Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org> |
| Cc: Kefeng Wang <wangkefeng.wang@huawei.com> |
| Cc: Nanyong Sun <sunnanyong@huawei.com> |
| Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
| --- |
| |
| include/linux/mm.h | 1 - |
| mm/util.c | 6 ------ |
| 2 files changed, 7 deletions(-) |
| |
| --- a/include/linux/mm.h~mm-remove-page_rmapping |
| +++ a/include/linux/mm.h |
| @@ -2170,7 +2170,6 @@ static inline void *folio_address(const |
| return page_address(&folio->page); |
| } |
| |
| -extern void *page_rmapping(struct page *page); |
| extern pgoff_t __page_file_index(struct page *page); |
| |
| /* |
| --- a/mm/util.c~mm-remove-page_rmapping |
| +++ a/mm/util.c |
| @@ -734,12 +734,6 @@ void *vcalloc(size_t n, size_t size) |
| } |
| EXPORT_SYMBOL(vcalloc); |
| |
| -/* Neutral page->mapping pointer to address_space or anon_vma or other */ |
| -void *page_rmapping(struct page *page) |
| -{ |
| - return folio_raw_mapping(page_folio(page)); |
| -} |
| - |
| struct anon_vma *folio_anon_vma(struct folio *folio) |
| { |
| unsigned long mapping = (unsigned long)folio->mapping; |
| _ |
