[PATCH] rbtree: include linux/compiler.h for definition of __always_inline

[Will Deacon]

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 â=â, â,â, â;â, âasmâ or â__attribute__â before âvoidâ

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

Cc: Pekka Enberg <penberg@xxxxxxxxxx>
Cc: Michel Lespinasse <walken@xxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxx>
Signed-off-by: Will Deacon <will.deacon@xxxxxxx>
---
 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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