From owner-freebsd-hackers@freebsd.org  Wed Jan 27 16:36:59 2016
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Date: Wed, 27 Jan 2016 09:36:58 -0700 (MST)
From: Warren Block <wblock@wonkity.com>
To: Allan Jude <allanjude@freebsd.org>
cc: freebsd-hackers@freebsd.org
Subject: Re: syslogd(8) with OOM Killer protection
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On Wed, 27 Jan 2016, Allan Jude wrote:

> On 2016-01-27 01:21, Marcelo Araujo wrote:
>> Hi guys,
>>
>> I would like to know your opinion about this REVIEW[1].
>> The basic idea is protect by default the syslogd(8) against been killed by
>> OOM with an option to disable the protection.
>>
>> Some people like the idea, other people would prefer something more global
>> where we can protect any daemon by the discretion of our choice.
>>
>> Thoughts?
>>
>>
>> [1] https://reviews.freebsd.org/D4973
>>
>>
>> Best,
>>
>
> I do like the idea of generalizing it, say via rc.subr
>
> So you can just do:
>
> someapp_protect=YES (and maybe syslogd has this enabled by default in
> /etc/defaults/rc.conf) and it prefixes the start command with protect -i.

Possibly simpler to provide a list in one setting than an individual 
setting for each daemon.  With ideas from other posters:

   oomprotect_daemons="crond syslogd"