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Date: Fri, 4 May 2012 10:37:08 -0700
Message-ID: <CAE9FiQWM4OTFp5NN+KOXxNREQxNWipDjWbbPPiHHJsb6yFmuiQ@mail.gmail.com>
Subject: Re: One problem in reassign pci bus number?
From: Yinghai Lu <yinghai@kernel.org>
To: Richard Yang <weiyang@linux.vnet.ibm.com>
Cc: Wei Yang <weiyang.kernel@gmail.com>, linux-pci@vger.kernel.org,
        linux-kernel@vger.kernel.org
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On Thu, May 3, 2012 at 9:52 PM, Richard Yang <weiyang@linux.vnet.ibm.com> wrote:
>
> BTW, even if this value is returned by __find_res_top_free_size(), or
> returned after this function is called, the purpose of the
> __find_res_top_free_size() is to get the biggest free space under the
> first parameter?

__find_res_top_free_size() is used to get size just under top,  and
then use it to calculate size above top that need to be extended.

at last will combine free size under top and allocated size above top
and return.

Yinghai
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