linux-kernel - Re: [bug]patch "acpi, memory-hotplug: parse SRAT before memblock is ready" breaks numa detection

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Message-ID: <5122F17C.6020209@cn.fujitsu.com>
Date:	Tue, 19 Feb 2013 11:29:00 +0800
From:	Tang Chen <tangchen@...fujitsu.com>
To:	Shaohua Li <shli@...nel.org>
CC:	linux-kernel@...r.kernel.org, akpm@...ux-foundation.org
Subject: Re: [bug]patch "acpi, memory-hotplug: parse SRAT before memblock
 is ready" breaks numa detection

On 02/19/2013 11:07 AM, Shaohua Li wrote:
> This patch in linux-next breaks numa detection. numa_init() will zero
> numa_meminfo. If acpi_numa_init() does not call early_parse_srat(), we will
> have no memory numa info.
>

Hum, yes, I missed this one. :)

Briefly seeing the code, I think moving the following code to 
early_parse_srat()
will fix it, right? :)

	memset(&numa_meminfo, 0, sizeof(numa_meminfo));

I'll send a patch to fix it.

Thanks. :)
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