On Thu, Aug 11, 2011 at 08:14:54PM +0200, Karel Zak wrote:
> On Thu, Aug 11, 2011 at 05:32:57PM +0200, Florian Pritz wrote:
> > mkswap displays the following output when trying to create swap on a
> > 8GiB logical volume.
> > > # mkswap /dev/mapper/vg_brynhild-swap
> > > mkswap: warning: truncating swap area to 2097144 KiB
>
> It seems correct.
Ah... sorry, I didn't read your e-mail too carefully.
> The swap header does not allow to address more than
> UINT_MAX pages. You have to create more swap areas or use system with
> bigger pages.
Right, so if you have 4096 page size, then 4096 * 4294967295 is the
max size...
I think the problem is kernel version string -- "3.0". The mkswap
code uses the version string to set the limit.
The problem should be fixed in 2.20-rc1, commit
fa7e0d6d442de9f5940f99fd93f4522602439131.
Karel
--
Karel Zak <kzak@xxxxxxxxxx>
http://karelzak.blogspot.com
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