Re: [PATCH] remove duplicate asm/mman.h files

[David Rientjes]

On Mon, 21 Sep 2009, Hugh Dickins wrote:

> Is it perhaps the case that some UNIX on ia64 does implement MAP_GROWSUP,
> and these numbers in the Linux ia64 mman.h have been chosen to match that
> reference implementation?  Tony will know.  But I wonder if you'd do
> better at least to leave a MAP_GROWSUP comment on that line, so that
> somebody doesn't go and reuse the empty slot later on.
> 

Reserving the bit from future use by adding a comment may be helpful, but 
then let's do it for MAP_GROWSDOWN too.
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