Re: [patch 1/2] mm, doc: cleanup and clarify munmap behavior for hugetlb memory

[David Rientjes]

On Fri, 27 Mar 2015, Eric B Munson wrote:

> > munmap(2) of hugetlb memory requires a length that is hugepage aligned,
> > otherwise it may fail.  Add this to the documentation.
> > 
> > This also cleans up the documentation and separates it into logical
> > units: one part refers to MAP_HUGETLB and another part refers to
> > requirements for shared memory segments.
> > 
> > Signed-off-by: David Rientjes <rientjes@xxxxxxxxxx>
> > ---
> 
> If this is the route we are going to take, this behavoir needs to be
> called out prominently in the mmap/munmap man page.
> 

Yeah, that was my next step, but before we get mtk involved I was trying 
to get this merged since man2/mmap.2 already has a 
.I Documentation/vm/hugetlbpage.txt for MAP_HUGETLB so the man page patch 
can simply reference this addition to the file as justification.
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