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SubjectRe: [PATCH 2/7] Export unusable free space index via /proc/pagetypeinfo
On Wed, Jan 06, 2010 at 11:10:48AM -0600, Adam Litke wrote:
> On Wed, 2010-01-06 at 16:26 +0000, Mel Gorman wrote:
> > +/*
> > + * Return an index indicating how much of the available free memory is
> > + * unusable for an allocation of the requested size.
> > + */
> > +int unusable_free_index(struct zone *zone,
> > + unsigned int order,
> > + struct config_page_info *info)
> > +{
> > + /* No free memory is interpreted as all free memory is unusable */
> > + if (info->free_pages == 0)
> > + return 100;
>
> Should the above be 1000?
>

Yes. Fortunately, the value is not actually used by any of the code.
It's for consumption by people or tools.

Thanks

--
Mel Gorman
Part-time Phd Student Linux Technology Center
University of Limerick IBM Dublin Software Lab


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