From: Matteo Croce <mcroce@xxxxxxxxxxxxx> Subject: Revert "mm/page_alloc: make should_fail_alloc_page() static" This reverts commit f7173090033c70886d925995e9dfdfb76dbb2441. Fix an unresolved symbol error when CONFIG_DEBUG_INFO_BTF=y: LD vmlinux BTFIDS vmlinux FAILED unresolved symbol should_fail_alloc_page make: *** [Makefile:1199: vmlinux] Error 255 make: *** Deleting file 'vmlinux' Link: https://lkml.kernel.org/r/20210708191128.153796-1-mcroce@xxxxxxxxxxxxxxxxxxx Fixes: f7173090033c ("mm/page_alloc: make should_fail_alloc_page() static") Signed-off-by: Matteo Croce <mcroce@xxxxxxxxxxxxx> Acked-by: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx> Tested-by: John Hubbard <jhubbard@xxxxxxxxxx> Cc: Michal Hocko <mhocko@xxxxxxxxxx> Cc: David Hildenbrand <david@xxxxxxxxxx> Cc: Vlastimil Babka <vbabka@xxxxxxx> Cc: Dan Streetman <ddstreet@xxxxxxxx> Cc: Yang Shi <shy828301@xxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/page_alloc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/mm/page_alloc.c~revert-mm-page_alloc-make-should_fail_alloc_page-static +++ a/mm/page_alloc.c @@ -3820,7 +3820,7 @@ static inline bool __should_fail_alloc_p #endif /* CONFIG_FAIL_PAGE_ALLOC */ -static noinline bool should_fail_alloc_page(gfp_t gfp_mask, unsigned int order) +noinline bool should_fail_alloc_page(gfp_t gfp_mask, unsigned int order) { return __should_fail_alloc_page(gfp_mask, order); } _