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ARM: highmem: Fix cache_is_vivt() reference
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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: 2a15ba8 ("ARM: highmem: Switch to generic kmap atomic")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Ira Weiny <ira.weiny@intel.com>
Cc: linux-arm-kernel@lists.infradead.org
Link: https://lore.kernel.org/r/20201204165930.3877571-1-arnd@kernel.org
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Arnd Bergmann authored and Thomas Gleixner committed Dec 4, 2020
1 parent 7e015a2 commit 68061c0
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1 change: 1 addition & 0 deletions arch/arm/include/asm/highmem.h
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Original file line number Diff line number Diff line change
Expand Up @@ -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)
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