On Fri, 2015-05-22 at 20:55 -0700, Mike Kravetz wrote:
> + * The region data structures are embedded into a resv_map and protected
> + * by a resv_map's lock. The set of regions within the resv_map represent
> + * reservations for huge pages, or huge pages that have already been
> + * instantiated within the map. The from and to elements are huge page
> + * indicies into the associated mapping. from indicates the starting index
> + * of the region. to represents the first index past the end of the region.
newline
> + * For example, a file region structure with from == 0 and to == 4 represents
> + * four huge pages in a mapping. It is important to note that the to element
> + * represents the first element past the end of the region. This is used in
> + * arithmetic as 4(to) - 0(from) = 4 huge pages in the region.
> */
> struct file_region {
> struct list_head link;
> @@ -221,10 +229,23 @@ struct file_region {
> long to;
> };
>
> +/*
> + * Add the huge page range represented by indicies f (from)
> + * and t (to) to the reserve map. Existing regions will be
How about simply renaming those parameters to from and to across the
entire hugetlb code.
Thanks,
Davidlohr
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