This helper should be used for setting permissions to the kernel mapping as it takes pointers as arguments and then avoids explicit cast to unsigned long needed for the set_memory_* API. Suggested-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Alexandre Ghiti <alex@ghiti.fr> Reviewed-by: Anup Patel <anup@brainfault.org> Reviewed-by: Atish Patra <atish.patra@wdc.com> Reviewed-by: Jisheng Zhang <jszhang@kernel.org> Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>