linux-kernel - Re: linux-next: build warning after merge of the akpm-current tree

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Date:	Thu, 4 Jun 2015 15:56:23 +0200
From:	Andrea Arcangeli <aarcange@...hat.com>
To:	Stephen Rothwell <sfr@...b.auug.org.au>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: linux-next: build warning after merge of the akpm-current tree

Hello,

On Thu, Jun 04, 2015 at 10:29:28PM +1000, Stephen Rothwell wrote:
> Hi Andrew,
> 
> After merging the akpm-current tree, today's linux-next build (x86_64
> allmodconfig) produced this warning:
> 
> ./usr/include/linux/userfaultfd.h:14: found __[us]{8,16,32,64} type without #include <linux/types.h>
> 
> Introduced by commit 2873f48b446c ("userfaultfd: uAPI").

Here's the fix:

===
>From 02b31b0a5e9dd5ddbcb4ad86f63fbcb0a2b5d8f2 Mon Sep 17 00:00:00 2001
From: Andrea Arcangeli <aarcange@...hat.com>
Date: Thu, 4 Jun 2015 14:54:40 +0200
Subject: [PATCH] userfaultfd: uAPI: add missing include/types.h

This will avoid the below warning:

./usr/include/linux/userfaultfd.h:14: found __[us]{8,16,32,64} type
without #include <linux/types.h>

Reported-by: Stephen Rothwell <sfr@...b.auug.org.au>
Signed-off-by: Andrea Arcangeli <aarcange@...hat.com>
---
 include/uapi/linux/userfaultfd.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/uapi/linux/userfaultfd.h b/include/uapi/linux/userfaultfd.h
index 9a8cd56..09c2e2a 100644
--- a/include/uapi/linux/userfaultfd.h
+++ b/include/uapi/linux/userfaultfd.h
@@ -9,6 +9,8 @@
 #ifndef _LINUX_USERFAULTFD_H
 #define _LINUX_USERFAULTFD_H
 
+#include <linux/types.h>
+
 #define UFFD_API ((__u64)0xAA)
 /* FIXME: add "|UFFD_BIT_WP" to UFFD_API_BITS after implementing it */
 #define UFFD_API_BITS (UFFD_BIT_WRITE)
--
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