linux-kernel - linux-next: build failure after merge of the akpm tree

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Message-ID: <20181203180037.0a54279b@canb.auug.org.au>
Date:   Mon, 3 Dec 2018 18:00:37 +1100
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     Linux Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Anshuman Khandual <anshuman.khandual@....com>
Subject: linux-next: build failure after merge of the akpm tree

Hi Andrew,

After merging the akpm tree, today's linux-next build (powerpc_le perf)
failed like this:

bench/numa.c:37:10: fatal error: linux/numa.h: No such file or directory
 #include <linux/numa.h>
          ^~~~~~~~~~~~~~

Caused by patches

  "mm: replace all open encodings for NUMA_NO_NODE"
  "mm-replace-all-open-encodings-for-numa_no_node-fix"

For linux/numa.h to be generally availble to the tools builds, it must
be copied into tools/include/linux ...

I have done that copy for today:

From 6dabc11d5513510d0ec0a6b0a4aa8b9051b71516 Mon Sep 17 00:00:00 2001
From: Stephen Rothwell <sfr@...b.auug.org.au>
Date: Mon, 3 Dec 2018 17:57:27 +1100
Subject: [PATCH] linux/numa.h is now needed for the perf build

Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
---
 tools/include/linux/numa.h | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 tools/include/linux/numa.h

diff --git a/tools/include/linux/numa.h b/tools/include/linux/numa.h
new file mode 100644
index 000000000000..110b0e5d0fb0
--- /dev/null
+++ b/tools/include/linux/numa.h
@@ -0,0 +1,16 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _LINUX_NUMA_H
+#define _LINUX_NUMA_H
+
+
+#ifdef CONFIG_NODES_SHIFT
+#define NODES_SHIFT     CONFIG_NODES_SHIFT
+#else
+#define NODES_SHIFT     0
+#endif
+
+#define MAX_NUMNODES    (1 << NODES_SHIFT)
+
+#define	NUMA_NO_NODE	(-1)
+
+#endif /* _LINUX_NUMA_H */
-- 
2.19.1

-- 
Cheers,
Stephen Rothwell

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