linux-kernel - Re: [PATCH 2/2] device-dax: kill NR_DEV

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Date:   Tue, 9 May 2017 16:21:30 +0200
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Dan Williams <dan.j.williams@...el.com>
Cc:     "linux-nvdimm@...ts.01.org" <linux-nvdimm@...ts.01.org>,
        linux-block@...r.kernel.org,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/2] device-dax: kill NR_DEV_DAX

On Mon, May 8, 2017 at 11:03 PM, Dan Williams <dan.j.williams@...el.com> wrote:
> There is no point to ask how many device-dax instances the kernel should
> support. Since we are already using a dynamic major number, just allow
> the max number of minors by default and be done. This also fixes the
> fact that the proposed max for the NR_DEV_DAX range was larger than what
> could be supported by alloc_chrdev_region().
>
> Fixes: ba09c01d2fa8 ("dax: convert to the cdev api")
> Reported-by: Geert Uytterhoeven <geert@...ux-m68k.org>
> Signed-off-by: Dan Williams <dan.j.williams@...el.com>

Tested-by: Geert Uytterhoeven <geert@...ux-m68k.org>

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds