linux-kernel - [tip: core/mm] ARM: highmem: Fix cache_is

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Date:   Fri, 04 Dec 2020 22:37:53 -0000
From:   "tip-bot2 for Arnd Bergmann" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     Arnd Bergmann <arnd@...db.de>,
        Thomas Gleixner <tglx@...utronix.de>,
        Russell King <linux@...linux.org.uk>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Ira Weiny <ira.weiny@...el.com>,
        linux-arm-kernel@...ts.infradead.org, x86@...nel.org,
        linux-kernel@...r.kernel.org
Subject: [tip: core/mm] ARM: highmem: Fix cache_is_vivt() reference

The following commit has been merged into the core/mm branch of tip:

Commit-ID:     68061c02bb295da4955f0d309b9459f0a7ba83dd
Gitweb:        https://git.kernel.org/tip/68061c02bb295da4955f0d309b9459f0a7ba83dd
Author:        Arnd Bergmann <arnd@...db.de>
AuthorDate:    Fri, 04 Dec 2020 17:59:22 +01:00
Committer:     Thomas Gleixner <tglx@...utronix.de>
CommitterDate: Fri, 04 Dec 2020 23:35:34 +01:00

ARM: highmem: Fix cache_is_vivt() reference

The reference to cache_is_vivt() was moved into a header file,
which now causes a build failure in rare randconfig builds:

arch/arm/include/asm/highmem.h:52:43: error: implicit declaration of function 'cache_is_vivt' [-Werror,-Wimplicit-function-declaration]

Add an explicit include to make it build reliably.

Fixes: 2a15ba82fa6c ("ARM: highmem: Switch to generic kmap atomic")
Signed-off-by: Arnd Bergmann <arnd@...db.de>
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Cc: Russell King <linux@...linux.org.uk>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: Ira Weiny <ira.weiny@...el.com>
Cc: linux-arm-kernel@...ts.infradead.org
Link: https://lore.kernel.org/r/20201204165930.3877571-1-arnd@kernel.org

---
 arch/arm/include/asm/highmem.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/include/asm/highmem.h b/arch/arm/include/asm/highmem.h
index a41de52..b4b6622 100644
--- a/arch/arm/include/asm/highmem.h
+++ b/arch/arm/include/asm/highmem.h
@@ -2,6 +2,7 @@
 #ifndef _ASM_HIGHMEM_H
 #define _ASM_HIGHMEM_H
 
+#include <asm/cachetype.h>
 #include <asm/fixmap.h>
 
 #define PKMAP_BASE		(PAGE_OFFSET - PMD_SIZE)