Re: [PATCH v5 RESEND 14/17] mm/ioremap: Consider IOREMAP space in generic ioremap

Christoph Hellwig
2023-05-17T06:44:31Z

On Tue, May 16, 2023 at 11:41:26PM -0700, Christoph Hellwig wrote:
> I think this would be cleaner if we'd just always use
> __get_vm_area_caller and at the top of the file add a:
>
> #ifndef IOREMAP_START
> #define IOREMAP_START VMALLOC_START
> #define IOREMAP_END VMALLOC_END
> #endif
>
> Together with a little comment that ioremap often, but not always
> uses the generic vmalloc area.

.. and with that we can also simply is_ioremap_addr by moving it
to ioremap.c and making it always operate on the IOREMAP constants.