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Re: port-arm/55533: nodejs fails with "out of memory" on aarch64
The following reply was made to PR port-arm/55533; it has been noted by GNATS.
From: Michael van Elst <mlelstv%serpens.de@localhost>
Subject: Re: port-arm/55533: nodejs fails with "out of memory" on aarch64
Date: Wed, 5 Aug 2020 23:08:37 +0200
The bug is not aarch64 specific and also occurs on other architectures
If mmap is called with a non-zero hint (and not MAP_FIXED) and
collides with an existing allocation, it only succeeds if
the mapping fits into the first gap.
The first gap on amd64 seems to be a bit larger so that the mapping
used by nodejs still fits.
Michael van Elst
"A potential Snark may lurk in every tree."
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