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Date:      Tue, 17 Apr 2012 12:34:20 -0700
From:      Jason Evans <jasone@freebsd.org>
To:        freebsd-current@freebsd.org
Subject:   HEADSUP: /etc/malloc.conf format change
Message-ID:  <7FC153A1-8815-4BAE-AB94-FED51DBFFEAA@freebsd.org>

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As a result of the recent jemalloc update, the format for /etc/malloc.conf has changed.  If your system has an old-style /etc/malloc.conf, you will want to delete it prior to installworld, and optionally re-create it using the new format after rebooting.  See malloc.conf(5) for details (specifically the TUNING section and the "opt.*" entries in the MALLCTL NAMESPACE section).

The MALLOC_OPTIONS environment variable and the _malloc_options global do not pose the same headache, because their new counterparts are named MALLOC_CONF and malloc_conf, respectively.

Jason

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