On 14.05.21 15:59, Arnd Bergmann wrote:
From: Arnd Bergmann <arnd@xxxxxxxx> clang sometimes decides not to inline shuffle_zone(), but it calls a __meminit function. Without the extra __meminit annotation we get this warning: WARNING: modpost: vmlinux.o(.text+0x2a86d4): Section mismatch in reference from the function shuffle_zone() to the function .meminit.text:__shuffle_zone() The function shuffle_zone() references the function __meminit __shuffle_zone(). This is often because shuffle_zone lacks a __meminit annotation or the annotation of __shuffle_zone is wrong. shuffle_free_memory() did not show the same problem in my tests, but it could happen in theory as well, so mark both as __meminit. Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> --- mm/shuffle.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/mm/shuffle.h b/mm/shuffle.h index 71b784f0b7c3..cec62984f7d3 100644 --- a/mm/shuffle.h +++ b/mm/shuffle.h @@ -10,7 +10,7 @@ DECLARE_STATIC_KEY_FALSE(page_alloc_shuffle_key); extern void __shuffle_free_memory(pg_data_t *pgdat); extern bool shuffle_pick_tail(void); -static inline void shuffle_free_memory(pg_data_t *pgdat) +static inline void __meminit shuffle_free_memory(pg_data_t *pgdat) { if (!static_branch_unlikely(&page_alloc_shuffle_key)) return; @@ -18,7 +18,7 @@ static inline void shuffle_free_memory(pg_data_t *pgdat) }extern void __shuffle_zone(struct zone *z);-static inline void shuffle_zone(struct zone *z) +static inline void __meminit shuffle_zone(struct zone *z) { if (!static_branch_unlikely(&page_alloc_shuffle_key)) return;
Reviewed-by: David Hildenbrand <david@xxxxxxxxxx> -- Thanks, David / dhildenb
