linux-kernel - Re: sched: CPU #1's llc-sibling CPU #0 is not on the same node!

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Message-ID: <512C51B0.1000605@cn.fujitsu.com>
Date:	Tue, 26 Feb 2013 14:09:52 +0800
From:	Tang Chen <tangchen@...fujitsu.com>
To:	Martin Bligh <mbligh@...igh.org>, Yinghai Lu <yinghai@...nel.org>
CC:	Ingo Molnar <mingo@...e.hu>, Don Morris <don.morris@...com>,
	"H. Peter Anvin" <hpa@...or.com>, Tejun Heo <tj@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Tony Luck <tony.luck@...el.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Tim Gardner <tim.gardner@...onical.com>,
	linux-kernel@...r.kernel.org, tglx@...utronix.de, mingo@...hat.com,
	x86@...nel.org, a.p.zijlstra@...llo.nl, jarkko.sakkinen@...el.com
Subject: Re: sched: CPU #1's llc-sibling CPU #0 is not on the same node!

On 02/26/2013 12:51 PM, Martin Bligh wrote:
>> Do you mean we can remove numaq x86 32bit code now?
>
> Wouldn't bother me at all. The machine is from 1995, end of life c. 2000?
> Was useful in the early days of getting NUMA up and running on Linux,
> but is now too old to be a museum piece, really.
>
> M.
>

Hi Martin, Yinghai,

It was me that I failed to make numa_init() fall back path working, and 
forgot
to call early_parse_srat in ia64. Sorry for the breaking of other 
platform. :)

So now, is Yinghai's patch enough for this problem ?
Or we can encapsulate the following clear up work into one function ?

+		for (i = 0; i < MAX_LOCAL_APIC; i++)
+			set_apicid_to_node(i, NUMA_NO_NODE);
+		nodes_clear(numa_nodes_parsed);
+		memset(&numa_meminfo, 0, sizeof(numa_meminfo));


Thanks. :)
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