Re: [PATCH 10/12] net/mlx4: replace <linux/radix-tree.h> with <linux/radix-tree-root.h>

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2017-10-09 3:55 GMT+09:00 Leon Romanovsky <leon@xxxxxxxxxx>:
> On Mon, Oct 09, 2017 at 02:29:15AM +0900, Masahiro Yamada wrote:
>> 2017-10-09 2:00 GMT+09:00 David Miller <davem@xxxxxxxxxxxxx>:
>> > From: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>
>> > Date: Mon,  9 Oct 2017 01:10:11 +0900
>> >
>> >> The headers
>> >>  - include/linux/mlx4/device.h
>> >>  - drivers/net/ethernet/mellanox/mlx4/mlx4.h
>> >> require the definition of struct radix_tree_root, but do not need to
>> >> know anything about other radix tree stuff.
>> >>
>> >> Include <linux/radix-tree-root.h> instead of <linux/radix-tree.h> to
>> >> reduce the header dependency.
>> >>
>> >> While we are here, let's add missing <linux/radix-tree.h> where
>> >> radix tree accessors are used.
>> >>
>> >> Signed-off-by: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>
>> >
>> > Honestly this makes things more complicated.
>>
>>
>> The idea is simple; include necessary headers explicitly.
>>
>> Putting everything into one common header
>> means most of C files are forced to parse unnecessary headers.
>
> It is neglected, only first caller will actually parse that header file,
> other callers will check the #ifndef pragma without need to reparse the
> whole file.
>


You completely neglected the point of the discussion.

I am trying to not include unnecessary headers at all.




-- 
Best Regards
Masahiro Yamada
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