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| ^~~~~ include/linux/huge_mm.h: In function 'split_huge_page': include/linux/huge_mm.h:598:16: error: unused variable 'folio' [-Werror=unused-variable] 598 | struct folio *folio = page_folio(page); | ^~~~~ cc1: all warnings being treated as errors vim +/folio +591 include/linux/huge_mm.h 581 582 static inline bool 583 can_split_folio(struct folio *folio, int caller_pins, int *pextra_pins) 584 { 585 return false; 586 } 587 static inline int 588 split_huge_page_to_list_to_order(struct page *page, struct list_head *list, 589 unsigned int new_order) 590 { > 591 struct folio *folio = page_folio(page); 592 593 VM_WARN_ON_ONCE_FOLIO(1, folio); 594 return -EINVAL; 595 } 596 static inline int split_huge_page(struct page *page) 597 { 598 struct folio *folio = page_folio(page); 599 600 VM_WARN_ON_ONCE_FOLIO(1, folio); 601 return -EINVAL; 602 } 603 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki