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percpu: make alloc_percpu() handle array types

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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@kernel.org>
Reviewed-by: Frederic Weisbecker <fweisbec@gmail.com>
Reviewed-by: Christoph Lameter <cl@linux-foundation.org>
This commit is contained in:
Tejun Heo 2009-10-29 22:34:12 +09:00
parent 3f04ba8595
commit 64ef291f46
1 changed files with 2 additions and 2 deletions
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4
include/linux/percpu.h
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@ -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.