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Pick f80c97e477d1b3fe7778c65d9439d673738b4131 from upstream:

Description

Pick f80c97e477d1b3fe7778c65d9439d673738b4131 from upstream:

Rework the way jemalloc uses mmap(2) on FreeBSD.

This makes it directly use MAP_EXCL and MAP_ALIGNED() instead
of weird workarounds involving mapping at random places and then
unmapping parts of them.

Discussed with: jasone
MFC after: 2 weeks
Sponsored by: DARPA, AFRL

Details

Provenance
traszAuthored on
Parents
rS339654: Pick 676cdd66792ccb629a978837ea2a066d5db342cc from upstream:
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