On Wed, Aug 23, 2023 at 05:10:22PM +0200, Geert Uytterhoeven wrote:
> Hi Andi,
>
> On Wed, Aug 23, 2023 at 4:49 PM Andi Shyti <andi.shyti@xxxxxxxxxx> wrote:
> > I would rather prefer to store pointers in u64 variables rather
> > than integers in a pointer.
>
> "u64" is overkill, as it is too large on 32-bit platforms.
> "uintptr_t" (or ("unsigned long") in legacy code) is the correct integer type.
"unsigned long" in kernel code is the guaranteed size of a pointer.
unitptr_t is for userspace code, it should not be used here in the
kernel as that's the wrong variable namespace.
thanks,
greg k-h
