linux-kernel - [PATCH] rbtree: include linux/compiler.h for definition of __always

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Message-Id: <1350925287-15929-1-git-send-email-will.deacon@arm.com>
Date:	Mon, 22 Oct 2012 18:01:27 +0100
From:	Will Deacon <will.deacon@....com>
To:	linux-kernel@...r.kernel.org
Cc:	Will Deacon <will.deacon@....com>,
	Pekka Enberg <penberg@...nel.org>,
	Michel Lespinasse <walken@...gle.com>,
	Ingo Molnar <mingo@...e.hu>
Subject: [PATCH] rbtree: include linux/compiler.h for definition of __always_inline

rb_erase_augmented is a static function annotated with __always_inline.
This causes a compile failure when attempting to use the rbtree
implementation as a library (e.g. kvm tool):

rbtree_augmented.h:125:24: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘void’

This patch includes linux/compiler.h in rbtree_augmented.h so that the
__always_inline macro is resolved correctly.

Cc: Pekka Enberg <penberg@...nel.org>
Cc: Michel Lespinasse <walken@...gle.com>
Cc: Ingo Molnar <mingo@...e.hu>
Signed-off-by: Will Deacon <will.deacon@....com>
---
 include/linux/rbtree_augmented.h |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/include/linux/rbtree_augmented.h b/include/linux/rbtree_augmented.h
index 214caa3..2ac60c9 100644
--- a/include/linux/rbtree_augmented.h
+++ b/include/linux/rbtree_augmented.h
@@ -24,6 +24,7 @@
 #ifndef _LINUX_RBTREE_AUGMENTED_H
 #define _LINUX_RBTREE_AUGMENTED_H
 
+#include <linux/compiler.h>
 #include <linux/rbtree.h>
 
 /*
-- 
1.7.4.1

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