linux-kernel - Re: [PATCH v14 07/70] lib/test_maple

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Date:   Tue, 11 Oct 2022 14:59:26 +0200
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Matthew Wilcox <willy@...radead.org>
Cc:     Liam Howlett <liam.howlett@...cle.com>,
        "maple-tree@...ts.infradead.org" <maple-tree@...ts.infradead.org>,
        "linux-mm@...ck.org" <linux-mm@...ck.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH v14 07/70] lib/test_maple_tree: add testing for maple tree

Hi Matthew,

On Tue, Oct 11, 2022 at 2:56 PM Matthew Wilcox <willy@...radead.org> wrote:
> On Tue, Oct 11, 2022 at 02:16:02PM +0200, Geert Uytterhoeven wrote:
> > > lib/test_maple_tree.c             | 38307 ++++++++++++++++++++++++++++
> >
> > Does this test really belong under lib/?
> > All other test modules there can be compiled and run as part of the
> > kernel itself.
>
> So can this.  It's just like test_ida and test_xarray; it can be
> built as a module, or it can be extracted into userspace and run there.

How so? I can't seem to find the glue to do so, or the Kconfig symbol
to enable the test module.

It's different for test_ida and test_xarray:

    lib/Makefile:obj-$(CONFIG_TEST_IDA) += test_ida.o
    lib/Makefile:obj-$(CONFIG_TEST_XARRAY) += test_xarray.o

What am I missing?
Thanks!

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