> per-arch?! Wow. Mmm...maybe I have to change something at fs level to
> avoid that. An alternative could be to use the follow_pte solution but
> avoid the protection via Kconfig if the fs is used on some archs (ia64
> or MIPS), with large pages and so on. An help of the kernel community
> to know
2010/10/12 Andi Kleen :
> On Mon, Oct 11, 2010 at 07:32:10PM +0200, Marco Stornelli wrote:
>> Il 10/10/2010 18:46, Andi Kleen ha scritto:
>> > This won't work at all on x86 because you don't handle large
>> > pages.
>> >
>> > And it doesn't work on x86-64 because the first 2GB are double
>> > mappe
On Mon, Oct 11, 2010 at 07:32:10PM +0200, Marco Stornelli wrote:
> Il 10/10/2010 18:46, Andi Kleen ha scritto:
> > This won't work at all on x86 because you don't handle large
> > pages.
> >
> > And it doesn't work on x86-64 because the first 2GB are double
> > mapped (direct and kernel text mapp