any value to supporting swap version 0 and *really* old kernels?
Rob Landley
rob at landley.net
Thu Mar 30 02:59:52 UTC 2006
On Wednesday 29 March 2006 9:16 pm, Robert P. J. Day wrote:
> On Wed, 29 Mar 2006, Rob Landley wrote:
> > On Wednesday 29 March 2006 5:16 pm, Robert P. J. Day wrote:
> > > i just noticed the option (under minix filesystems) for
> > > selecting swap V0 support, despite the fact that this version of
> > > swap hasn't been supported for years. but there's more to it than
> > > that.
> > >
> > > i notice that util-linux/mkswap.c appreciates that swap V1 was
> > > introduced in kernel 2.1.117 but this raises a couple of
> > > questions. first, are there really people still using such an old
> > > kernel that they would need swap V0 support?
> >
> > Current busybox versions are aimed at 2.4 and 2.6 kernels. We don't
> > intentionally break 2.2 kernels, but we don't have specific support
> > for them either.
>
> but, as i said earlier, even 2.2 kernels were already using swap V1.
> you have to go all the way back to the 2.0 kernel to *require* support
> for swap V0, and i'm pretty sure no one is interested in investing
> time to support the 2.0 kernel.
I don't know anybody who actually needs this.
> personally, i'd just remove swap V0 support. i really don't see it
> having much value and, with every passing day, even *that* minimal
> value decreases.
I actually don't see it having any value, but Bernhard Fischer seems to
disagree for some reason. Maybe he actually knows of a user?
> rday
Rob
--
Never bet against the cheap plastic solution.
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