Re: [PATCH 4/4] hugetlb: add hugepages_node= command-line option

From: David Rientjes
Date: Wed Feb 19 2014 - 23:52:12 EST


On Wed, 19 Feb 2014, Luiz Capitulino wrote:

> > Yes, my concrete objection is that the command line interface is
> > unnecessary if you can dynamically allocate and free 1GB pages at runtime
> > unless memory will be so fragmented that it cannot be done when userspace
> > is brought up. That is not your use case, thus this support is not
>
> Yes it is. The early boot is the most reliable moment to allocate huge pages
> and we want to take advantage from that.
>

Your use case is 8GB of hugepages on a 32GB machine. It shouldn't be
necessary to do that at boot.

Thanks.
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