On 2024/4/24 6:55, Matthew Wilcox (Oracle) wrote:
> This is mostly just inlining page_mapping() into the two callers.
>
> Signed-off-by: Matthew Wilcox (Oracle) <wi...@infradead.org>
Acked-by: Miaohe Lin <linmia...@huawei.com>
Thanks.
.
> ---
> mm/memory-failure.c | 6 ++++--
> 1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/mm/memory-failure.c b/mm/memory-failure.c
> index e065dd9be21e..62aa3db17854 100644
> --- a/mm/memory-failure.c
> +++ b/mm/memory-failure.c
> @@ -216,6 +216,7 @@ EXPORT_SYMBOL_GPL(hwpoison_filter_flags_value);
>
> static int hwpoison_filter_dev(struct page *p)
> {
> + struct folio *folio = page_folio(p);
> struct address_space *mapping;
> dev_t dev;
>
> @@ -223,7 +224,7 @@ static int hwpoison_filter_dev(struct page *p)
> hwpoison_filter_dev_minor == ~0U)
> return 0;
>
> - mapping = page_mapping(p);
> + mapping = folio_mapping(folio);
> if (mapping == NULL || mapping->host == NULL)
> return -EINVAL;
>
> @@ -1090,7 +1091,8 @@ static int me_pagecache_clean(struct page_state *ps,
> struct page *p)
> */
> static int me_pagecache_dirty(struct page_state *ps, struct page *p)
> {
> - struct address_space *mapping = page_mapping(p);
> + struct folio *folio = page_folio(p);
> + struct address_space *mapping = folio_mapping(folio);
>
> /* TBD: print more information about the file. */
> if (mapping) {
>
