Re: [PATCH 3/4] arch: define CONFIG_PAGE_SIZE_*KB on all architectures

Stafford Horne
2024-02-28T21:06:24Z

On Mon, Feb 26, 2024 at 05:14:13PM +0100, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@arndb.de>
>
> Most architectures only support a single hardcoded page size. In order
> to ensure that each one of these sets the corresponding Kconfig symbols,
> change over the PAGE_SHIFT definition to the common one and allow
> only the hardware page size to be selected.
>
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> ---
> arch/alpha/Kconfig | 1 +
> arch/alpha/include/asm/page.h | 2 +-
> arch/arm/Kconfig | 1 +
> arch/arm/include/asm/page.h | 2 +-
> arch/csky/Kconfig | 1 +
> arch/csky/include/asm/page.h | 2 +-
> arch/m68k/Kconfig | 3 +++
> arch/m68k/Kconfig.cpu | 2 ++
> arch/m68k/include/asm/page.h | 6 +-----
> arch/microblaze/Kconfig | 1 +
> arch/microblaze/include/asm/page.h | 2 +-
> arch/nios2/Kconfig | 1 +
> arch/nios2/include/asm/page.h | 2 +-
> arch/openrisc/Kconfig | 1 +
> arch/openrisc/include/asm/page.h | 2 +-
> arch/riscv/Kconfig | 1 +
> arch/riscv/include/asm/page.h | 2 +-
> arch/s390/Kconfig | 1 +
> arch/s390/include/asm/page.h | 2 +-
> arch/sparc/Kconfig | 2 ++
> arch/sparc/include/asm/page_32.h | 2 +-
> arch/sparc/include/asm/page_64.h | 3 +--
> arch/um/Kconfig | 1 +
> arch/um/include/asm/page.h | 2 +-
> arch/x86/Kconfig | 1 +
> arch/x86/include/asm/page_types.h | 2 +-
> arch/xtensa/Kconfig | 1 +
> arch/xtensa/include/asm/page.h | 2 +-
> 28 files changed, 32 insertions(+), 19 deletions(-)
....
> diff --git a/arch/openrisc/Kconfig b/arch/openrisc/Kconfig
> index fd9bb76a610b..3586cda55bde 100644
> --- a/arch/openrisc/Kconfig
> +++ b/arch/openrisc/Kconfig
> @@ -25,6 +25,7 @@ config OPENRISC
> select GENERIC_CPU_DEVICES
> select HAVE_PCI
> select HAVE_UID16
> + select HAVE_PAGE_SIZE_8KB
> select GENERIC_ATOMIC64
> select GENERIC_CLOCKEVENTS_BROADCAST
> select GENERIC_SMP_IDLE_THREAD
> diff --git a/arch/openrisc/include/asm/page.h b/arch/openrisc/include/asm/page.h
> index 44fc1fd56717..7925ce09ab5a 100644
> --- a/arch/openrisc/include/asm/page.h
> +++ b/arch/openrisc/include/asm/page.h
> @@ -18,7 +18,7 @@
>
> /* PAGE_SHIFT determines the page size */
>
> -#define PAGE_SHIFT 13
> +#define PAGE_SHIFT CONFIG_PAGE_SHIFT
> #ifdef __ASSEMBLY__
> #define PAGE_SIZE (1 << PAGE_SHIFT)
> #else

For the openrisc bits,

Acked-by: Stafford Horne <shorne@gmail.com>