From: ebiederm@xmission.com (Eric W. Biederman)
To: Andreas Dilger <adilger@turbolabs.com>
Cc: Michael Peddemors <michael@wizard.ca>, linux-kernel@vger.kernel.org
Subject: Re: Current Max Swap size? Performance issues
Date: 17 Nov 2001 23:28:50 -0700 [thread overview]
Message-ID: <m1itc88ue5.fsf@frodo.biederman.org> (raw)
In-Reply-To: <1005948151.10803.18.camel@mistress> <20011116163346.L1308@lynx.no>
In-Reply-To: <20011116163346.L1308@lynx.no>
Andreas Dilger <adilger@turbolabs.com> writes:
> On Nov 16, 2001 14:02 -0800, Michael Peddemors wrote:
> > With all of the latest VM, again the question is asked... Best way to
> > set up swap now..
> >
> > For 2 GIG memory...
> > Channel 0 is RAID 1 SCSI
> > Channel 2 is RAID 1+0 SCSI
> > Hardware Raid
> >
> > Shoudl it be?
> >
> > 2 GIG swap partition (Is this still the limit?)
>
> Yes, still the limit. It turns out that this is not an on-disk format
> limit, but rather an in-memory structure limit, in case you cared. For
> non-x86 platforms, there is a different limit.
Where? The limit should be about 64GB or so on x86. If it isn't it should
be just a couple of lines to change it. Or is the limit the vmalloc
of the swap_map?
I skimmed the code a while ago but I haven't had the time to patch mkswap
and actually try it with something larger.
Eric
next prev parent reply other threads:[~2001-11-18 6:48 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-11-16 22:02 Current Max Swap size? Performance issues Michael Peddemors
2001-11-16 23:33 ` Andreas Dilger
2001-11-18 6:28 ` Eric W. Biederman [this message]
2001-11-19 9:48 ` Andreas Dilger
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