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From: Tang Chen <tangchen@cn.fujitsu.com>
To: Dave Jones <davej@redhat.com>,
	David Rientjes <rientjes@google.com>,
	tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com,
	akpm@linux-foundation.org, zhangyanfei@cn.fujitsu.com,
	guz.fnst@cn.fujitsu.com, x86@kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] numa, mem-hotplug: Fix stack overflow in numa when seting kernel nodes to unhotpluggable.
Date: Thu, 23 Jan 2014 14:36:44 +0800	[thread overview]
Message-ID: <52E0B87C.6020704@cn.fujitsu.com> (raw)
In-Reply-To: <20140123061343.GB15206@redhat.com>

On 01/23/2014 02:13 PM, Dave Jones wrote:
> On Wed, Jan 22, 2014 at 10:06:14PM -0800, David Rientjes wrote:
>   >  On Thu, 23 Jan 2014, Tang Chen wrote:
>   >
......
>   >
>   >  I guess it depends on what Dave's CONFIG_NODES_SHIFT is?
>
> It's 10, because I had MAXSMP set.
>
> So, MAX_NUMNODES = 1<<  10
>
> And the bitmask is made of longs. 1024 of them.
>
> How does this work ?

I have the same config with you.

Would you please try it for me ?  Does it work on your box ?

I cannot reproduce this problem on the latest kernel.
But I can reproduce it on 3.10.

Thanks

>
> 	Dave
>
> --
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  parent reply	other threads:[~2014-01-23  6:34 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-01-23  5:49 [PATCH] numa, mem-hotplug: Fix stack overflow in numa when seting kernel nodes to unhotpluggable Tang Chen
2014-01-23  6:01 ` Dave Jones
2014-01-23  6:05 ` Andrew Morton
2014-01-23  6:06 ` David Rientjes
2014-01-23  6:13   ` Dave Jones
2014-01-23  6:15     ` David Rientjes
2014-01-23  6:58       ` Dave Jones
2014-01-23 22:31         ` Dave Jones
2014-01-27  7:29           ` Tang Chen
2014-01-27 14:52             ` Dave Jones
2014-01-23  6:36     ` Tang Chen [this message]
2014-01-28  0:32   ` David Rientjes
2014-01-28  1:01     ` Tang Chen
2014-01-28  2:55       ` Dave Jones
2014-01-28  3:14         ` Tang Chen
2014-01-28  3:24         ` Tang Chen
2014-01-28  3:55           ` Dave Jones
2014-01-28  4:47             ` Tang Chen
2014-01-28  4:47               ` Dave Jones
2014-01-28  5:17                 ` Tang Chen
2014-01-28  6:53                   ` Dave Jones
2014-01-28  5:31                 ` Tang Chen
2014-01-28  7:10                   ` Tang Chen

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