linux-kernel - Re: [PATCH 00/12] radix-tree: split out struct radix_tree

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Date:   Mon, 9 Oct 2017 09:05:40 +0300
From:   Leon Romanovsky <leonro@...lanox.com>
To:     Masahiro Yamada <yamada.masahiro@...ionext.com>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Ian Abbott <abbotti@....co.uk>, Ingo Molnar <mingo@...nel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        linux-cachefs@...hat.com, linux-sh@...r.kernel.org,
        Rodrigo Vivi <rodrigo.vivi@...el.com>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        David Airlie <airlied@...ux.ie>, linux-rdma@...r.kernel.org,
        Yoshinori Sato <ysato@...rs.sourceforge.jp>,
        Tariq Toukan <tariqt@...lanox.com>,
        Rich Felker <dalias@...c.org>,
        Jani Nikula <jani.nikula@...ux.intel.com>,
        "J. Bruce Fields" <bfields@...ldses.org>,
        David Howells <dhowells@...hat.com>,
        intel-gfx@...ts.freedesktop.org,
        Yishai Hadas <yishaih@...lanox.com>,
        Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
        Matan Barak <matanb@...lanox.com>, netdev@...r.kernel.org,
        Saeed Mahameed <saeedm@...lanox.com>,
        Jeff Layton <jlayton@...chiereds.net>,
        linux-fsdevel@...r.kernel.org, Marc Zyngier <marc.zyngier@....com>
Subject: Re: [PATCH 00/12] radix-tree: split out struct radix_tree_root out
 to <linux/radix-tree-root.h>

On Mon, Oct 09, 2017 at 02:58:58PM +0900, Masahiro Yamada wrote:
> 2017-10-09 3:52 GMT+09:00 Leon Romanovsky <leonro@...lanox.com>:
> > On Mon, Oct 09, 2017 at 01:10:01AM +0900, Masahiro Yamada wrote:
> >
> > <...>
> >>
> >> By splitting out the radix_tree_root definition,
> >> we can reduce the header file dependency.
> >>
> >> Reducing the header dependency will help for speeding the kernel
> >> build, suppressing unnecessary recompile of objects during
> >> git-bisect'ing, etc.
> >
> > If we judge by the diffstat of this series, there won't be any
> > visible change in anything mentioned above.
>
>
> Of course, judging by the diffstat is wrong.
>

I'm more than happy to be wrong and you for sure can help me.
Can you provide any quantitative support of your claims?

Thanks

>
>
> --
> Best Regards
> Masahiro Yamada
> --
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