PG_dcache_clean is used in asm/hugetlb.h but defined in asm/cacheflush.h: builds rely on an accident of that being included via linux/mempolicy.h, but better include it directly (like arch/sh/include/asm/hugetlb.h does). Signed-off-by: Hugh Dickins <hughd@xxxxxxxxxx> --- arch/arm/include/asm/hugetlb.h | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/include/asm/hugetlb.h b/arch/arm/include/asm/hugetlb.h index d02d6ca88e92..a3a82b7158d4 100644 --- a/arch/arm/include/asm/hugetlb.h +++ b/arch/arm/include/asm/hugetlb.h @@ -10,6 +10,7 @@ #ifndef _ASM_ARM_HUGETLB_H #define _ASM_ARM_HUGETLB_H +#include <asm/cacheflush.h> #include <asm/page.h> #include <asm/hugetlb-3level.h> #include <asm-generic/hugetlb.h> -- 2.35.3
