Re: [PATCH] usercopy: use unsigned long instead of uintptr_t

[Matthew Wilcox]

On Thu, Jun 16, 2022 at 04:36:17PM +0200, Jason A. Donenfeld wrote:
> A recent commit factored out a series of annoying (unsigned long) casts
> into a single variable declaration, but made the pointer type a
> `uintptr_t` rather than the usual `unsigned long`. This patch changes it
> to be the integer type more typically used by the kernel to represent
> addresses.

No.  I did this on purpose.  uintptr_t is the correct type to represent
a pointer that's being used as an integer.  This dinosaur approach of
using unsigned long has to stop.