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Date:	Wed, 14 Oct 2009 15:01:51 +0900
From:	Tejun Heo <tj@...nel.org>
To:	linux-kernel@...r.kernel.org, rusty@...tcorp.com.au,
	cl@...ux-foundation.org, mingo@...hat.com, tglx@...utronix.de,
	akpm@...ux-foundation.org, rostedt@...dmis.org, hpa@...or.com,
	cebbert@...hat.com
Cc:	Tejun Heo <tj@...nel.org>
Subject: [PATCH 02/16] percpu: make alloc_percpu() handle array types

alloc_percpu() couldn't handle array types like "int [100]" due to the
way return type was casted.  Fix it by using typeof() instead.

Signed-off-by: Tejun Heo <tj@...nel.org>
Reviewed-by: Frederic Weisbecker <fweisbec@...il.com>
Reviewed-by: Christoph Lameter <cl@...ux-foundation.org>
---
 include/linux/percpu.h |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/linux/percpu.h b/include/linux/percpu.h
index 3d9ba92..519d687 100644
--- a/include/linux/percpu.h
+++ b/include/linux/percpu.h
@@ -164,8 +164,8 @@ static inline void *pcpu_lpage_remapped(void *kaddr)
 
 #endif /* CONFIG_SMP */
 
-#define alloc_percpu(type)	(type *)__alloc_percpu(sizeof(type), \
-						       __alignof__(type))
+#define alloc_percpu(type)	\
+	(typeof(type) *)__alloc_percpu(sizeof(type), __alignof__(type))
 
 /*
  * Optional methods for optimized non-lvalue per-cpu variable access.
-- 
1.6.4.2

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