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    SubjectRe: kernel.h: add ARRAY_AND_SIZE() macro to complement ARRAY_SIZE().
    On Thu, Sep 18, 2008 at 11:06 PM, Alexey Dobriyan <adobriyan@gmail.com> wrote:
    > On Thu, Sep 18, 2008 at 02:24:47PM +0100, Ben Dooks wrote:
    >> Move the ARRAY_AND_SIZE() macro from arch/arm/mach-pxa/generic.h
    >> to a more useful position in include/linux/kernel.h. This macro
    >> is very useful to registration functions that take an array and
    >> the number of array elements in it as consecutive arguments.
    >>
    >> The macro also should ensure that mistakes where the wrong array
    >> is used to the ARRAY_SIZE() macro is passed. It also makes it
    >> easier to avoid wrapping registration function arguments.
    >
    >> --- linux-2.6.27-rc6-quilt4.orig/include/linux/kernel.h
    >> +++ linux-2.6.27-rc6-quilt4/include/linux/kernel.h
    >> @@ -43,6 +43,7 @@ extern const char linux_proc_banner[];
    >> #define IS_ALIGNED(x, a) (((x) & ((typeof(x))(a) - 1)) == 0)
    >>
    >> #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
    >> +#define ARRAY_AND_SIZE(arr) (arr), ARRAY_SIZE(arr)
    >
    > Just like ARRAY_SIZE, it is misnamed.
    >

    Any hint about the correct spelling?

    > And it isn't obvious to what it expands. Hopefully arm people will
    > remove it. :-)

    This is handy to use, saving several key strokes and making the line
    shorter. If it's not obvious to what it expands, there must be some
    fix for it?


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