From: Geert Uytterhoeven <geert@linux-m68k.org>
To: Gon Solo <gonsolo@gmail.com>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>,
Rich Felker <dalias@libc.org>,
Andrew Morton <akpm@linux-foundation.org>,
Mike Rapoport <rppt@linux.ibm.com>,
Nicholas Piggin <npiggin@gmail.com>,
Linux-sh list <linux-sh@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 1/1] Fix undefined reference to 'node_reclaim_distance'.
Date: Mon, 16 Dec 2019 13:21:01 +0100 [thread overview]
Message-ID: <CAMuHMdVotJuotVKa3rxgR3ujCedoWM19-HhwhbTC9g6gV_EVNw@mail.gmail.com> (raw)
In-Reply-To: <20191216103522.32215-2-gonsolo@gmail.com>
Hi Gon,
Thanks for your patch!
On Mon, Dec 16, 2019 at 11:35 AM Gon Solo <gonsolo@gmail.com> wrote:
> According to https://lkml.org/lkml/2019/12/16/101 and
> http://kisskb.ellerman.id.au/kisskb/buildresult/14067948/ building on
> sh4 is broken due to a
>
> page_alloc.c:(.text+0x3148): undefined reference to `node_reclaim_distance'.
>
> This only happens with CONFIG_NUMA=y (variable used with #ifdef
> CONFIG_NUMA at mm/page_alloc.c:3529) and CONFIG_SMP=n (variable defined at
> kernel/sched/topology.c:2291 but the whole file to be built depends on
> CONFIG_SMP in kernel/sched/Makefile:23.
>
> Follow the lead of arch/x86/Kconfig:1547 and depend on SMP.
>
> This assumes that there are no NUMA systems without SMP which is
> reasonable I guess.
Unfortunately that may be an x86-centric assumption: on other platforms,
there do exist systems with multiple memory banks with different access
performance figures.
> Signed-off-by: Gon Solo <gonsolo@gmail.com>
> ---
> arch/sh/mm/Kconfig | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/sh/mm/Kconfig b/arch/sh/mm/Kconfig
> index 5c8a2ebfc720..cf655d8e8758 100644
> --- a/arch/sh/mm/Kconfig
> +++ b/arch/sh/mm/Kconfig
> @@ -108,7 +108,7 @@ config VSYSCALL
>
> config NUMA
> bool "Non Uniform Memory Access (NUMA) Support"
> - depends on MMU && SYS_SUPPORTS_NUMA
> + depends on MMU && SMP && SYS_SUPPORTS_NUMA
> select ARCH_WANT_NUMA_VARIABLE_LOCALITY
> default n
> help
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-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
next prev parent reply other threads:[~2019-12-16 12:21 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-16 10:35 [PATCH 0/1] Fix SH config error Gon Solo
2019-12-16 10:35 ` [PATCH 1/1] Fix undefined reference to 'node_reclaim_distance' Gon Solo
2019-12-16 12:21 ` Geert Uytterhoeven [this message]
2019-12-16 13:21 ` Gonsolo
2019-12-16 13:31 ` Geert Uytterhoeven
2019-12-16 13:50 ` Gonsolo
2019-12-23 16:42 ` Matt Fleming
2019-12-25 7:18 ` Randy Dunlap
[not found] ` <CANL0fFTCVj7c-EQTs1kRuOn8e++vgFw1fUTJfya12csWkJdGqA@mail.gmail.com>
2020-05-04 12:08 ` Gonsolo
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