[issue20494] Backport of http://bugs.python.org/issue11849 to Python 2.7 (Make it more likely for the system allocator to release free()d memory arenas on glibc-based systems).

[Benjamin Yolken]

New submission from Benjamin Yolken:

We have found that http://bugs.python.org/issue11849 affects a number of our Python 2.7 systems in production. I took the changes in http://hg.python.org/cpython/rev/f8a697bc3ca8 and backported them to the head of the python 2.7 cpython hg branch. I have verified that these changes fix the problem and that all tests pass.

Please see the attached patch.

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files: memory_fix.patch
keywords: patch
messages: 210063
nosy: bhyolken
priority: normal
severity: normal
status: open
title: Backport of http://bugs.python.org/issue11849 to Python 2.7 (Make it more likely for the system allocator to release free()d memory arenas on glibc-based systems).
type: enhancement
versions: Python 2.7
Added file: http://bugs.python.org/file33881/memory_fix.patch

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