On Mon, 9 Sep 2024 11:19:30 +0300 "Kirill A. Shutemov" <kirill.shutemov@xxxxxxxxxxxxxxx> wrote: > has_unaccepted_memory() has the only caller -- cond_accept_memory(). > > Remove the helper and check zones_with_unaccepted_pages directly in > cond_accept_memory(). > > It also fixes warning with clang 18 when kernel is compiled without > unaccepted memory support: > > mm/page_alloc.c:7043:20: error: unused function 'has_unaccepted_memory' [-Werror,-Wunused-function] > Thanks, mm-unstable has a similar fix: --- 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; @@ -7068,6 +7067,11 @@ 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; @@ -7095,11 +7099,6 @@ 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); @@ -7134,11 +7133,6 @@ 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) { _