lkml.org 
[lkml]   [2010]   [Jun]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: [PATCH 1/2] percpu: add percpu_variable_ptr()
    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


    \
     
     \ /
      Last update: 2010-06-23 12:11    [W:0.022 / U:60.420 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site