From: Christoph Hellwig <hch@xxxxxx> Subject: mm: fix the try_to_unmap prototype for !CONFIG_MMU Adjust the nommu stub of try_to_unmap to match the changed protype for the full version. Turn it into an inline instead of a macro to generally improve the type checking. Link: https://lkml.kernel.org/r/20210705053944.885828-1-hch@xxxxxx Fixes: 1fb08ac63bee ("mm: rmap: make try_to_unmap() void function") Signed-off-by: Christoph Hellwig <hch@xxxxxx> Reviewed-by: Yang Shi <shy828301@xxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- include/linux/rmap.h | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) --- a/include/linux/rmap.h~mm-fix-the-try_to_unmap-prototype-for-config_mmu +++ a/include/linux/rmap.h @@ -291,7 +291,9 @@ static inline int page_referenced(struct return 0; } -#define try_to_unmap(page, refs) false +static inline void try_to_unmap(struct page *page, enum ttu_flags flags) +{ +} static inline int page_mkclean(struct page *page) { _