> > > What's the issue there -- kmalloc won't go that big? 16k is the
> > > limitation imposed by the ioctl framework itself, and it won't get
> > > bigger than that unless ioctl codes use more than those 32 bits.
> >
> > This is the case on IA32, but on 64bit archs?
>
> The encoding sets limits but you dont have to use the encoding
Well I used the <asm/ioctl.h> encoding macros which allocate N bits
to this convention. N is typically 14 (i386, ia64), 13 (most riscs),
or 8 (sparc, sparc64). Values are usually less than a page.
- Dave
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