Mark free blocks in pooled carriers as unused#2046
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jhogberg merged 1 commit intoDec 7, 2018
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This lets the OS reclaim the physical memory associated with these blocks which reduces the impact of long-lived awkward allocations. A small allocated block will still keep a huge carrier alive, but the unused part of the carrier will now be available to the OS. Co-authored-by: Dmytro Lytovchenko <dmytro.lytovchenko@erlang-solutions.com>
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This PR lets the OS reclaim the physical memory associated with free blocks in pooled carriers, reducing the impact of long-lived awkward allocations. A small allocated block will still keep a huge carrier alive, but the unused parts of the carrier will now be available to the OS.
(This is based on #1946 by @kvakvs.)