+ riscv-include-asm-cacheflushh-in-asm-hugetlbh.patch added to mm-unstable branch

+ riscv-include-asm-cacheflushh-in-asm-hugetlbh.patch added to mm-unstable branch

[Andrew Morton]

The patch titled
     Subject: riscv: include asm/cacheflush.h in asm/hugetlb.h
has been added to the -mm mm-unstable branch.  Its filename is
     riscv-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/riscv-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@google.com>
Subject: riscv: include asm/cacheflush.h in asm/hugetlb.h
Date: Sun, 13 Aug 2023 21:53:57 -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/84bd3b96-8dbe-51b1-d7d1-6e4f9d8937d8@google.com
Signed-off-by: Hugh Dickins <hughd@google.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 arch/riscv/include/asm/hugetlb.h |    1 +
 1 file changed, 1 insertion(+)

--- a/arch/riscv/include/asm/hugetlb.h~riscv-include-asm-cacheflushh-in-asm-hugetlbh
+++ a/arch/riscv/include/asm/hugetlb.h
@@ -2,6 +2,7 @@
 #ifndef _ASM_RISCV_HUGETLB_H
 #define _ASM_RISCV_HUGETLB_H
 
+#include <asm/cacheflush.h>
 #include <asm/page.h>
 
 static inline void arch_clear_hugepage_flags(struct page *page)
_

Patches currently in -mm which might be from hughd@google.com 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