The patch titled
Subject: arm: include asm/cacheflush.h in asm/hugetlb.h
has been added to the -mm mm-unstable branch. Its filename is
arm-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/arm-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
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------------------------------------------------------
From: Hugh Dickins <hughd@xxxxxxxxxx>
Subject: arm: include asm/cacheflush.h in asm/hugetlb.h
Date: Sun, 13 Aug 2023 21:52:38 -0700 (PDT)
Patch series "arch: include asm/cacheflush.h in asm/hugetlb.h".
Three architectures are using PG_dcache_clean in their asm/hugetlb.h,
but relying on accident to include the asm/cacheflush.h which defines it.
This patch (of 3):
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/6d2acfa4-7f44-d3b4-b0a8-5495c5985e4c@xxxxxxxxxx
Link: https://lkml.kernel.org/r/4b055d0-7b2e-72bf-9b9d-8f3f1cd312d0@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/arm/include/asm/hugetlb.h | 1 +
1 file changed, 1 insertion(+)
--- a/arch/arm/include/asm/hugetlb.h~arm-include-asm-cacheflushh-in-asm-hugetlbh
+++ a/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>
_
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
