[PATCH v5 04/18] powerpc/mm: Remove _PAGE_PSIZE

Christophe Leroy
2024-06-10T05:55:23Z

_PAGE_PSIZE macro is never used outside the place it is defined
and is used only on 8xx and e500.

Remove indirection, remove it and use its content directly.

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Reviewed-by: Oscar Salvador <osalvador@suse.de>
---
arch/powerpc/include/asm/nohash/32/pte-40x.h | 3 ---
arch/powerpc/include/asm/nohash/32/pte-44x.h | 3 ---
arch/powerpc/include/asm/nohash/32/pte-85xx.h | 3 ---
arch/powerpc/include/asm/nohash/32/pte-8xx.h | 5 ++---
arch/powerpc/include/asm/nohash/pte-e500.h | 4 +---
5 files changed, 3 insertions(+), 15 deletions(-)

diff --git a/arch/powerpc/include/asm/nohash/32/pte-40x.h b/arch/powerpc/include/asm/nohash/32/pte-40x.h
index d759cfd74754..52ed58516fa4 100644
--- a/arch/powerpc/include/asm/nohash/32/pte-40x.h
+++ b/arch/powerpc/include/asm/nohash/32/pte-40x.h
@@ -49,9 +49,6 @@
#define _PAGE_EXEC 0x200 /* hardware: EX permission */
#define _PAGE_ACCESSED 0x400 /* software: R: page referenced */

-/* No page size encoding in the linux PTE */
-#define _PAGE_PSIZE 0
-
/* cache related flags non existing on 40x */
#define _PAGE_COHERENT 0

diff --git a/arch/powerpc/include/asm/nohash/32/pte-44x.h b/arch/powerpc/include/asm/nohash/32/pte-44x.h
index 851813725237..da0469928273 100644
--- a/arch/powerpc/include/asm/nohash/32/pte-44x.h
+++ b/arch/powerpc/include/asm/nohash/32/pte-44x.h
@@ -75,9 +75,6 @@
#define _PAGE_NO_CACHE 0x00000400 /* H: I bit */
#define _PAGE_WRITETHRU 0x00000800 /* H: W bit */

-/* No page size encoding in the linux PTE */
-#define _PAGE_PSIZE 0
-
/* TODO: Add large page lowmem mapping support */
#define _PMD_PRESENT 0
#define _PMD_PRESENT_MASK (PAGE_MASK)
diff --git a/arch/powerpc/include/asm/nohash/32/pte-85xx.h b/arch/powerpc/include/asm/nohash/32/pte-85xx.h
index 653a342d3b25..14d64b4f3f14 100644
--- a/arch/powerpc/include/asm/nohash/32/pte-85xx.h
+++ b/arch/powerpc/include/asm/nohash/32/pte-85xx.h
@@ -31,9 +31,6 @@
#define _PAGE_WRITETHRU 0x00400 /* H: W bit */
#define _PAGE_SPECIAL 0x00800 /* S: Special page */

-/* No page size encoding in the linux PTE */
-#define _PAGE_PSIZE 0
-
#define _PMD_PRESENT 0
#define _PMD_PRESENT_MASK (PAGE_MASK)
#define _PMD_BAD (~PAGE_MASK)
diff --git a/arch/powerpc/include/asm/nohash/32/pte-8xx.h b/arch/powerpc/include/asm/nohash/32/pte-8xx.h
index 137dc3c84e45..625c31d6ce5c 100644
--- a/arch/powerpc/include/asm/nohash/32/pte-8xx.h
+++ b/arch/powerpc/include/asm/nohash/32/pte-8xx.h
@@ -74,12 +74,11 @@
#define _PTE_NONE_MASK 0

#ifdef CONFIG_PPC_16K_PAGES
-#define _PAGE_PSIZE _PAGE_SPS
+#define _PAGE_BASE_NC (_PAGE_PRESENT | _PAGE_ACCESSED | _PAGE_SPS)
#else
-#define _PAGE_PSIZE 0
+#define _PAGE_BASE_NC (_PAGE_PRESENT | _PAGE_ACCESSED)
#endif

-#define _PAGE_BASE_NC (_PAGE_PRESENT | _PAGE_ACCESSED | _PAGE_PSIZE)
#define _PAGE_BASE (_PAGE_BASE_NC)

#include <asm/pgtable-masks.h>
diff --git a/arch/powerpc/include/asm/nohash/pte-e500.h b/arch/powerpc/include/asm/nohash/pte-e500.h
index f516f0b5b7a8..975facc7e38e 100644
--- a/arch/powerpc/include/asm/nohash/pte-e500.h
+++ b/arch/powerpc/include/asm/nohash/pte-e500.h
@@ -65,8 +65,6 @@

#define _PAGE_SPECIAL _PAGE_SW0

-/* Base page size */
-#define _PAGE_PSIZE _PAGE_PSIZE_4K
#define PTE_RPN_SHIFT (24)

#define PTE_WIMGE_SHIFT (19)
@@ -89,7 +87,7 @@
* pages. We always set _PAGE_COHERENT when SMP is enabled or
* the processor might need it for DMA coherency.
*/
-#define _PAGE_BASE_NC (_PAGE_PRESENT | _PAGE_ACCESSED | _PAGE_PSIZE)
+#define _PAGE_BASE_NC (_PAGE_PRESENT | _PAGE_ACCESSED | _PAGE_PSIZE_4K)
#if defined(CONFIG_SMP)
#define _PAGE_BASE (_PAGE_BASE_NC | _PAGE_COHERENT)
#else
--
2.44.0