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Groups > linux.kernel > #1719240
| From | Geert Uytterhoeven <geert@linux-m68k.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [GIT PULL] workqueue fixes for v4.13-rc3 |
| Date | 2017-08-24 15:40 +0200 |
| Message-ID | <ui0wy-7c2-9@gated-at.bofh.it> (permalink) |
| References | (2 earlier) <ubTHs-3b4-17@gated-at.bofh.it> <uhz3j-6wb-1@gated-at.bofh.it> <uhEPo-1DV-35@gated-at.bofh.it> <uhF8K-1Mw-7@gated-at.bofh.it> <uhHke-3jd-13@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Hi Tejun,
On Wed, Aug 23, 2017 at 7:08 PM, Tejun Heo <tj@kernel.org> wrote:
> On Wed, Aug 23, 2017 at 04:47:41PM +0200, Geert Uytterhoeven wrote:
>> Some code is mixing up multiple memory nodes with multiple cpu nodes.
>> M68k uses DISCONTIGMEM, but not NUMA (no SMP):
>>
>> config NEED_MULTIPLE_NODES
>> def_bool y
>> depends on DISCONTIGMEM || NUMA
>>
>> The (virtual) Atari has 2 memory nodes:
>> - node0: start 0x00000000 size 0x00e00000
>> - node1: start 0x01000000 size 0x10000000
>> Both are tied to the same (single) CPU node, of course.
>
> Ah, okay, so it has multiple nodes but not NUMA. The generic numa
> topology code assumes that there's only one node if !NUMA and reports
> all online cpus regardless of the node number, which makes the same
> CPUs to be reported for all nodes on the system. I think something
> like the following (completely untested) should work.
Thank you, that got rid of the warning.
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
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Re: [GIT PULL] workqueue fixes for v4.13-rc3 Geert Uytterhoeven <geert@linux-m68k.org> - 2017-08-23 10:20 +0200
Re: [GIT PULL] workqueue fixes for v4.13-rc3 Tejun Heo <tj@kernel.org> - 2017-08-23 16:30 +0200
Re: [GIT PULL] workqueue fixes for v4.13-rc3 Geert Uytterhoeven <geert@linux-m68k.org> - 2017-08-23 16:50 +0200
Re: [GIT PULL] workqueue fixes for v4.13-rc3 Tejun Heo <tj@kernel.org> - 2017-08-23 19:10 +0200
Re: [GIT PULL] workqueue fixes for v4.13-rc3 Geert Uytterhoeven <geert@linux-m68k.org> - 2017-08-24 15:40 +0200
Re: [GIT PULL] workqueue fixes for v4.13-rc3 Tejun Heo <tj@kernel.org> - 2017-08-24 16:40 +0200
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