Messages in this thread | | | Date | Wed, 23 Jun 2010 12:07:59 +0200 | From | Tejun Heo <> | Subject | Re: [PATCH 1/2] percpu: add percpu_variable_ptr() |
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On 06/23/2010 12:04 PM, Lai Jiangshan wrote: > The percpu variable and allocated percpu data are compatible > witch each other, This patch adds a API, thus we can use > per_cpu_ptr() for defined/declared percpu variable. > > Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com> > --- > diff --git a/include/linux/percpu-defs.h b/include/linux/percpu-defs.h > index ce2dc65..d5c8d7f 100644 > --- a/include/linux/percpu-defs.h > +++ b/include/linux/percpu-defs.h > @@ -81,6 +81,12 @@ > #endif > > /* > + * Ptr of the declared/defined per-CPU variable. > + * It is totally compatible with the return from alloc_percpu(). > + */ > +#define percpu_variable_ptr(name) (&(name))
Why not just use &name?
Thanks.
-- tejun
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