The patch titled Subject: include/linux/balloon_compaction.h: drop unused function stubs has been added to the -mm tree. Its filename is mm-balloon-drop-unused-function-stubs.patch This patch should soon appear at http://ozlabs.org/~akpm/mmots/broken-out/mm-balloon-drop-unused-function-stubs.patch and later at http://ozlabs.org/~akpm/mmotm/broken-out/mm-balloon-drop-unused-function-stubs.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: David Hildenbrand <david@xxxxxxxxxx> Subject: include/linux/balloon_compaction.h: drop unused function stubs These are leftovers from the pre-"general non-lru movable page" era. Link: http://lkml.kernel.org/r/20190329122649.28404-1-david@xxxxxxxxxx Signed-off-by: David Hildenbrand <david@xxxxxxxxxx> Reviewed-by: Mukesh Ojha <mojha@xxxxxxxxxxxxxx> Acked-by: Michael S. Tsirkin <mst@xxxxxxxxxx> Acked-by: Pankaj Gupta <pagupta@xxxxxxxxxx> Acked-by: Rafael Aquini <aquini@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- include/linux/balloon_compaction.h | 15 --------------- 1 file changed, 15 deletions(-) --- a/include/linux/balloon_compaction.h~mm-balloon-drop-unused-function-stubs +++ a/include/linux/balloon_compaction.h @@ -151,21 +151,6 @@ static inline void balloon_page_delete(s list_del(&page->lru); } -static inline bool __is_movable_balloon_page(struct page *page) -{ - return false; -} - -static inline bool balloon_page_movable(struct page *page) -{ - return false; -} - -static inline bool isolated_balloon_page(struct page *page) -{ - return false; -} - static inline bool balloon_page_isolate(struct page *page) { return false; _ Patches currently in -mm which might be from david@xxxxxxxxxx are mm-balloon-drop-unused-function-stubs.patch