bpo-40190: Add support for _SC_AIX_REALMEM in sysconf by isidentical · Pull Request #19380 · python/cpython
-bash-4.4$ ./python
Python 3.9.0a5+ (heads/[bpo-40190](https://bugs.python.org/issue40190):102d152, Apr 4 2020, 19:07:44) [C] on aix
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>>> import posix
>>> posix.sysconf("SC_AIX_REALMEM")
167772160