[PATCH v2 1/8] rbtree: include linux/compiler.h for definition of __always_inline

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Commit 29fc7c5a4f516d388fb6e1f6d24bfb04b8093e54 upstream.

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'

Include linux/compiler.h in rbtree_augmented.h so that the __always_inline
macro is resolved correctly.

Signed-off-by: Will Deacon <will.deacon@xxxxxxx>
Cc: Pekka Enberg <penberg@xxxxxxxxxx>
Reviewed-by: Michel Lespinasse <walken@xxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
---
 include/linux/rbtree_augmented.h | 1 +
 1 file changed, 1 insertion(+)

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>
 
 /*
-- 
1.8.0

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