[issue40611] Add MAP_POPULATE to the mmap library

[Ethan Steinberg]

New submission from Ethan Steinberg <ethan.steinberg at gmail.com>:

This issue (and corresponding pull request) adds MAP_POPULATE to the set of flags exported by the mmap module. This flag is incredibly handy for speeding up data processing and is available on most Linux systems.

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components: Library (Lib)
messages: 368752
nosy: Ethan Steinberg
priority: normal
severity: normal
status: open
title: Add MAP_POPULATE to the mmap library
type: enhancement
versions: Python 3.5, Python 3.6, Python 3.7, Python 3.8, Python 3.9

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue40611>
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