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Subject[PATCH 4.19 005/148] powerpc/mm: Fix linux page tables build with some configs
4.19-stable review patch.  If anyone has any objections, please let me know.


[ 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 <>
Signed-off-by: Sasha Levin <>
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>

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