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

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On Mon, Feb 26, 2024 at 05:14:13PM +0100, Arnd Bergmann wrote:
From: Arnd Bergmann <arnd@xxxxxxxx>

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@xxxxxxxx>
---
 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@xxxxxxxxx>




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