[PATCH v2 1/2] mm: pgtable: Make generic pgprot_* macros available for no-MMU

[David Rientjes]

On Wed, 15 Jul 2020, Pekka Enberg wrote:

> From: Pekka Enberg <penberg at kernel.org>
> 
> The <linux/pgtable.h> header defines some generic pgprot_*
> implementations, but they are only available when CONFIG_MMU is enabled.
> The RISC-V architecture, for example, therefore defines some of these
> pgprot_* macros for !NOMMU.
> 
> Let's make the pgprot_* generic available even for !NOMMU so we can
> remove the RISC-V specific definitions.
> 
> Compile-tested with x86 defconfig, and riscv defconfig and !MMU defconfig.
> 
> Suggested-by: Palmer Dabbelt <palmerdabbelt at google.com>
> Reviewed-by: Mike Rapoport <rppt at linux.ibm.com>
> Cc: Tom Lendacky <thomas.lendacky at amd.com>
> Signed-off-by: Pekka Enberg <penberg at kernel.org>

Acked-by: David Rientjes <rientjes at google.com>