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Date:      Wed, 23 Nov 2005 12:20:56 -0500
From:      Michael Conlen <m@obmail.net>
To:        =?ISO-8859-1?Q?Arne_W=F6rner?= <arne_woerner@yahoo.com>
Cc:        freebsd-performance@freebsd.org
Subject:   Re: mmap()
Message-ID:  <FCD0051C-A8D3-433E-8C62-F01FFDF95FE4@obmail.net>
In-Reply-To: <20051123171154.60414.qmail@web30307.mail.mud.yahoo.com>
References:  <20051123171154.60414.qmail@web30307.mail.mud.yahoo.com>

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On Nov 23, 2005, at 12:11 PM, Arne W=F6rner wrote:

> --- Michael Conlen <m@obmail.net> wrote:
>> I'm trying to tune the system to allow very large
>> mmap()'s in a
>>
> I had a similar problem with shared memory.
>
> I found an option in /sys/conf/NOTES.
>
> I think it could help in your case, if u increase
> % options  MAXDSIZ=3D(1024UL*1024*1024)
> % options  MAXSSIZ=3D(128UL*1024*1024)
> % options  DFLDSIZ=3D(1024UL*1024*1024)
> apropriately.
>
> E. g. in your /sys/<arch>/conf/<kernel name>
> options MAXDSIZ=3D(2000UL*1024*1024)
>
> But I dont know, if that is a good idea... Maybe you should use
> nextboot(8) in case your box does not like the new kernel... :-)

I've made those changes which are reflected in the output from limit.

--
Michael Conlen=



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