Re: [Devel] Re: [RFC] Virtualization steps

[Andi Kleen]

Kirill Korotaev <dev@xxxxx> writes:

> >>Moreover, in OpenVZ live migration allows to migrate 32bit VPSs
> >>between i686 and x86-64 Linux machines.
> 
> > How would that work when x86-64 32bit programs have 4GB of address
> > space and native on i386 programs only 3GB?
> we limit address space of i386 apps on x86-64 to 3GB due to
> compatibility issues - some applications don't work with not 3:1 GB VM
> split.

The only program I'm aware of with this problem is an very old JDK
used in the Oracle installer - and the official documented fix
for this is to run it with linux32 --3gb

Limiting everybody just for that single bug seems quite excessive.

-Andi
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/