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'

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

Signed-off-by: Will Deacon <will.deacon@arm.com>
Cc: Pekka Enberg <penberg@kernel.org>
Reviewed-by: Michel Lespinasse <walken@google.com>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/include/linux/rbtree_augmented.h b/include/linux/rbtree_augmented.h
index 214caa33433b9a58d4635d1f3214b099c515c8e5..2ac60c9cf6448fac839074e752d61f2de7b56c0a 100644 (file)
--- 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>
 
 /*