[issue21116] Failure to create multiprocessing shared arrays larger than 50% of memory size under linux

[Charles-François Natali]

Charles-François Natali added the comment:

Indeed, I think it would make sense to consider this for 3.4, and even 2.7
if we opt for a simple fix.

As for the best way to fix it in the meantime, I'm fine with a buffered
zero-filling (the mere fact that noone ever complained until now probably
means that the performance isn't a show-stopper for users).

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<http://bugs.python.org/issue21116>
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