linux-kernel - [PATCH AUTOSEL 4.19 05/97] powerpc/mm: Fix linux page tables build with some configs

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Message-Id: <20181226223557.149329-5-sashal@kernel.org>
Date:   Wed, 26 Dec 2018 17:34:25 -0500
From:   Sasha Levin <sashal@...nel.org>
To:     stable@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Michael Ellerman <mpe@...erman.id.au>,
        Sasha Levin <sashal@...nel.org>, linuxppc-dev@...ts.ozlabs.org
Subject: [PATCH AUTOSEL 4.19 05/97] powerpc/mm: Fix linux page tables build with some configs

From: Michael Ellerman <mpe@...erman.id.au>

[ Upstream commit 462951cd32e1496dc64b00051dfb777efc8ae5d8 ]

For some configs the build fails with:

  arch/powerpc/mm/dump_linuxpagetables.c: In function 'populate_markers':
  arch/powerpc/mm/dump_linuxpagetables.c:306:39: error: 'PKMAP_BASE' undeclared (first use in this function)
  arch/powerpc/mm/dump_linuxpagetables.c:314:50: error: 'LAST_PKMAP' undeclared (first use in this function)

These come from highmem.h, including that fixes the build.

Signed-off-by: Michael Ellerman <mpe@...erman.id.au>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 arch/powerpc/mm/dump_linuxpagetables.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/powerpc/mm/dump_linuxpagetables.c b/arch/powerpc/mm/dump_linuxpagetables.c
index bdf33b989f98..8464c2c01c0c 100644
--- a/arch/powerpc/mm/dump_linuxpagetables.c
+++ b/arch/powerpc/mm/dump_linuxpagetables.c
@@ -19,6 +19,7 @@
 #include <linux/hugetlb.h>
 #include <linux/io.h>
 #include <linux/mm.h>
+#include <linux/highmem.h>
 #include <linux/sched.h>
 #include <linux/seq_file.h>
 #include <asm/fixmap.h>
-- 
2.19.1