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ARC: mm: fix build failure in linux-next for UP builds

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kisskb build service reported ARC defconfig build failures in linux-next

| arch/arc/include/asm/mmu.h:75:21: error: 'NR_CPUS' undeclared here (not in a function)
| make[3]: *** [arch/arc/mm/ioremap.o] Error 1
| make[2]: *** [arch/arc/mm] Error 2
| make[1]: *** [arch/arc] Error 2

which I bisected to a subtle side-effect of a totally benign mm patch
("mm, vmalloc: properly track vmalloc users") which caused a header
include chain deviation - asm/mmu.h using NR_CPUS before including
linux/threads.h

Fix that by adding the dependnet header and while it at fix a related
header to include linux headers aheads of asm headers as sometimes that
slso triggers such issues !

Reported-by: noreply@ellerman.id.au
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
This commit is contained in:
Vineet Gupta 2017-05-05 11:59:41 -07:00
parent 65c02a556b
commit 868a65307d
2 changed files with 7 additions and 3 deletions
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4
arch/arc/include/asm/mmu.h
View File

@ -9,6 +9,10 @@
#ifndef _ASM_ARC_MMU_H
#define _ASM_ARC_MMU_H
#ifndef __ASSEMBLY__
#include <linux/threads.h> /* NR_CPUS */
#endif
#if defined(CONFIG_ARC_MMU_V1)
#define CONFIG_ARC_MMU_VER 1
#elif defined(CONFIG_ARC_MMU_V2)

6
arch/arc/include/asm/pgtable.h
View File

@ -35,11 +35,11 @@
#ifndef _ASM_ARC_PGTABLE_H
#define _ASM_ARC_PGTABLE_H
#include <asm/page.h>
#include <asm/mmu.h>
#include <linux/const.h>
#define __ARCH_USE_5LEVEL_HACK
#include <asm-generic/pgtable-nopmd.h>
#include <linux/const.h>
#include <asm/page.h>
#include <asm/mmu.h> /* to propagate CONFIG_ARC_MMU_VER <n> */
/**************************************************************************
* Page Table Flags