[PATCH] idr: Document ida tree sections

[Kent Overstreet]

On Wed, Aug 07, 2013 at 04:22:01PM -0400, Tejun Heo wrote:
> Hello, Kent.
> 
> On Wed, Aug 07, 2013 at 10:34:58AM -0700, Kent Overstreet wrote:
> > + * So for 1 mb of memory (and allocating more than that should be fine with
> > + * CONFIG_COMPACTION) you get slightly under 8 million IDs.
> 
> Nothing seems to explain the section thing.  This is broken up now,
> right?  Where's the documentation?

Whoops, yes. As usual with the documentation...

Here's a fixup patch for that: