The patch titled Subject: arm64: include asm/cacheflush.h in asm/hugetlb.h has been added to the -mm mm-unstable branch. Its filename is arm64-include-asm-cacheflushh-in-asm-hugetlbh.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/arm64-include-asm-cacheflushh-in-asm-hugetlbh.patch This patch will later appear in the mm-unstable branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next via the mm-everything branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there every 2-3 working days ------------------------------------------------------ From: Hugh Dickins <hughd@xxxxxxxxxx> Subject: arm64: include asm/cacheflush.h in asm/hugetlb.h Date: Sun, 13 Aug 2023 21:53:17 -0700 (PDT) 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). Link: https://lkml.kernel.org/r/bd77cc1b-e83b-f276-9e27-c19e7c9119aa@xxxxxxxxxx Signed-off-by: Hugh Dickins <hughd@xxxxxxxxxx> Cc: Catalin Marinas <catalin.marinas@xxxxxxx> Cc: Mike Kravetz <mike.kravetz@xxxxxxxxxx> Cc: Palmer Dabbelt <palmer@xxxxxxxxxxx> Cc: Russell King <linux@xxxxxxxxxxxxxxx> Cc: Will Deacon <will@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- arch/arm64/include/asm/hugetlb.h | 1 + 1 file changed, 1 insertion(+) --- a/arch/arm64/include/asm/hugetlb.h~arm64-include-asm-cacheflushh-in-asm-hugetlbh +++ a/arch/arm64/include/asm/hugetlb.h @@ -10,6 +10,7 @@ #ifndef __ASM_HUGETLB_H #define __ASM_HUGETLB_H +#include <asm/cacheflush.h> #include <asm/page.h> #ifdef CONFIG_ARCH_ENABLE_HUGEPAGE_MIGRATION _ Patches currently in -mm which might be from hughd@xxxxxxxxxx are arm-include-asm-cacheflushh-in-asm-hugetlbh.patch arm64-include-asm-cacheflushh-in-asm-hugetlbh.patch riscv-include-asm-cacheflushh-in-asm-hugetlbh.patch