[PATCH 1/2] Add note on MALLOC_MMAP_* environment variables

[Siddhesh Poyarekar]

On Monday 10 October 2016 11:03 PM, DJ Delorie wrote:
> These variables all end with "_", most likely the original intention is
> that they are not official and may be removed or changed at any time.
> 
> By making them official, we lock in that ABI.  Is that your intention?
> 
> (likewise your other patch).

I don't see the point in not doing so because they're too widely in use
for us to take them back anyway.

Siddhesh