From: Johannes Weiner
Date: Wed, 20 Mar 2013 14:03:29 -0400
> The sparse code, when asking the architecture to populate the vmemmap,
> specifies the section range as a starting page and a number of pages.
>
> This is an awkward interface, because none of the arch-specific code
> actually thinks
The sparse code, when asking the architecture to populate the vmemmap,
specifies the section range as a starting page and a number of pages.
This is an awkward interface, because none of the arch-specific code
actually thinks of the range in terms of 'struct page' units and
always translates it to
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