From mboxrd@z Thu Jan  1 00:00:00 1970
From: Huang Ying <ying.huang@intel.com>
Subject: Re: [PATCH 4/4] [Patch-next] ACPI, APEI, HEST Fix the unsuitable
 usage of platform_data.
Date: Tue, 17 Aug 2010 12:18:18 +0800
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To: Jin Dongming <jin.dongming@np.css.fujitsu.com>
Cc: Randy Dunlap <randy.dunlap@oracle.com>, Stephen Rothwell <sfr@canb.auug.org.au>, Andi Kleen <andi@firstfloor.org>, Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>, ACPI <linux-acpi@vger.kernel.org>, LKLM <linux-kernel@vger.kernel.org>

On Tue, 2010-08-17 at 11:00 +0800, Jin Dongming wrote:
> > Why not use platform_device_add_data?
> Here what should be done is to transport the pointer of hest_hdr to platform_data,
> so I think that it could be done successfully by allocating 8byte of memory.
> If the platform_device_add_data() is used, the more memory will be allocated. 
> 
> So I think this method is better than using platform_device_add_data().

You can specify allocation size for platform_device_add_data(), so no
more memory will be allocated.

Best Regards,
Huang Ying