Messages in this thread Patch in this message | | | From | Randy Dunlap <> | Subject | [PATCH] mm: try_to_unmap() is now void | Date | Sun, 4 Jul 2021 16:01:15 -0700 |
| |
Fix the "CONFIG_MMU is not set" case of converting try_to_unmap() from bool to void.
In file included from ../mm/vmscan.c:33: ../mm/vmscan.c: In function 'shrink_page_list': ../include/linux/rmap.h:294:34: warning: statement with no effect [-Wunused-value] 294 | #define try_to_unmap(page, refs) false | ^~~~~ ../mm/vmscan.c:1508:4: note: in expansion of macro 'try_to_unmap' 1508 | try_to_unmap(page, flags); | ^~~~~~~~~~~~
Fixes: 1fb08ac63bee ("mm: rmap: make try_to_unmap() void function") Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: Yang Shi <shy828301@gmail.com> Cc: Hugh Dickins <hughd@google.com> Cc: Andrew Morton <akpm@linux-foundation.org> --- include/linux/rmap.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- linux-next-20210701.orig/include/linux/rmap.h +++ linux-next-20210701/include/linux/rmap.h @@ -291,7 +291,7 @@ static inline int page_referenced(struct return 0; } -#define try_to_unmap(page, refs) false +#define try_to_unmap(page, refs) do {} while (0) static inline int page_mkclean(struct page *page) {
| |