The quilt patch titled Subject: mm/page_alloc: fix build with CONFIG_UNACCEPTED_MEMORY=n has been removed from the -mm tree. Its filename was mm-page_alloc-fix-build-with-config_unaccepted_memory=n.patch This patch was dropped because it was merged into the mm-stable branch of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm ------------------------------------------------------ From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Subject: mm/page_alloc: fix build with CONFIG_UNACCEPTED_MEMORY=n Date: Thu, 5 Sep 2024 14:22:20 -0700 When has_unaccepted_memory() is unused, it prevents kernel builds with clang, `make W=1` and CONFIG_WERROR=y: mm/page_alloc.c:7036:20: error: unused function 'has_unaccepted_memory' [-Werror,-Wunused-function] 7036 | static inline bool has_unaccepted_memory(void) | ^~~~~~~~~~~~~~~~~~~~~ Fix it by removeing the CONFIG_UNACCEPTED_MEMORY=n stub. Link: https://lkml.kernel.org/r/20240905142220.49d93337a0abce5690e515d9@xxxxxxxxxxxxxxxxxxxx Reported-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> Closes: https://lkml.kernel.org/r/20240905171553.275054-1-andriy.shevchenko@xxxxxxxxxxxxxxx Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/page_alloc.c | 16 +++++----------- 1 file changed, 5 insertions(+), 11 deletions(-) --- a/mm/page_alloc.c~mm-page_alloc-fix-build-with-config_unaccepted_memory=n +++ a/mm/page_alloc.c @@ -287,7 +287,6 @@ EXPORT_SYMBOL(nr_online_nodes); static bool page_contains_unaccepted(struct page *page, unsigned int order); static bool cond_accept_memory(struct zone *zone, unsigned int order); -static inline bool has_unaccepted_memory(void); static bool __free_unaccepted(struct page *page); int page_group_by_mobility_disabled __read_mostly; @@ -7061,6 +7060,11 @@ static bool try_to_accept_memory_one(str return true; } +static inline bool has_unaccepted_memory(void) +{ + return static_branch_unlikely(&zones_with_unaccepted_pages); +} + static bool cond_accept_memory(struct zone *zone, unsigned int order) { long to_accept; @@ -7088,11 +7092,6 @@ static bool cond_accept_memory(struct zo return ret; } -static inline bool has_unaccepted_memory(void) -{ - return static_branch_unlikely(&zones_with_unaccepted_pages); -} - static bool __free_unaccepted(struct page *page) { struct zone *zone = page_zone(page); @@ -7127,11 +7126,6 @@ static bool cond_accept_memory(struct zo { return false; } - -static inline bool has_unaccepted_memory(void) -{ - return false; -} static bool __free_unaccepted(struct page *page) { _ Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are mm-vma-return-the-exact-errno-in-vms_gather_munmap_vmas-fix.patch