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From: Tang Chen <tangchen@cn.fujitsu.com>
To: Pekka Enberg <penberg@kernel.org>
Cc: Yinghai Lu <yinghai@kernel.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
	Jacob Shin <jacob.shin@amd.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>,
	x86 maintainers <x86@kernel.org>,
	LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 1/1] numa, mm, memory-hotplug: Do not allocate pagetable to local node with MEMORY_HOTREMOVE enabled.
Date: Tue, 21 May 2013 15:12:53 +0800	[thread overview]
Message-ID: <519B1E75.5040401@cn.fujitsu.com> (raw)
In-Reply-To: <CAOJsxLEhSM1foG=fUcGyz1rvfPPirh4jW+dZuhO6ap5oKFk5ug@mail.gmail.com>

Hi

On 05/21/2013 03:02 PM, Pekka Enberg wrote:
......
>
> Ugh. Special-casing for CONFIG_MEMORY_HOTPLUG is just begging for
> trouble. Were you able to determine which commit broke memory
> hot-remove?

Please refer to the following patch-set.
https://lkml.org/lkml/2013/4/11/829

patch21 and patch22 will allocate pagetable to local, which may cause
memory hot-remove fail.

But this patch-set is not in the mainline now.

Thanks. :)



      reply	other threads:[~2013-05-21  7:10 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-05-16 11:50 [PATCH 1/1] numa, mm, memory-hotplug: Do not allocate pagetable to local node with MEMORY_HOTREMOVE enabled Tang Chen
2013-05-21  7:02 ` Pekka Enberg
2013-05-21  7:12   ` Tang Chen [this message]

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