[PATCH 3/8] add mem64_min/max control

Yinghai Lu yinghai at kernel.org
Sat Nov 17 02:06:23 EST 2012

On Fri, Nov 16, 2012 at 10:18 PM, Eric W. Biederman
<ebiederm at xmission.com> wrote:
> Yinghai Lu <yinghai at kernel.org> writes:
>> So could limit range for 4g above buffers.
> What is wrong with mem-min and mem-max?  At this point in the patchset
> it looks like you are introducing mem64-min and mem64-max as a hack to
> avoid fixing mem-min and mem-max properly.

if we set mem-min high, some buffers for purgatory and real_mode can
not be allocated properly.

mem64-min and mem64-max are used to limit range for buffer that could
stay above 4g.
like limit them one range belong to one node only.

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