Commit 64ef291f authored Oct 29, 2009 by Tejun Heo

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@kernel.org>
Reviewed-by: Frederic Weisbecker <fweisbec@gmail.com>
Reviewed-by: Christoph Lameter <cl@linux-foundation.org>

parent 3f04ba85

include/linux/percpu.h

+2 −2

Original line number	Diff line number	Diff line
		@@ -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.