linux-kernel - [PATCH] powerpc: Remove _PAGE

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Date:   Mon, 20 Jun 2022 08:21:22 +0200
From:   Christophe Leroy <christophe.leroy@...roup.eu>
To:     Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>
Cc:     Christophe Leroy <christophe.leroy@...roup.eu>,
        linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org
Subject: [PATCH] powerpc: Remove _PAGE_SAO stub for book3e/64

Since commit 634093c59a12 ("powerpc/mm: enable
ARCH_HAS_VM_GET_PAGE_PROT"), _PAGE_SAO is used only in
arch/powerpc/mm/book3s64/pgtable.c

The _PAGE_SAO stub defined as 0 for book3e/64 can be removed.

Signed-off-by: Christophe Leroy <christophe.leroy@...roup.eu>
---
 arch/powerpc/include/asm/nohash/64/pgtable.h | 2 --
 1 file changed, 2 deletions(-)

diff --git a/arch/powerpc/include/asm/nohash/64/pgtable.h b/arch/powerpc/include/asm/nohash/64/pgtable.h
index 57083f95e82b..25b72b2b30ce 100644
--- a/arch/powerpc/include/asm/nohash/64/pgtable.h
+++ b/arch/powerpc/include/asm/nohash/64/pgtable.h
@@ -83,8 +83,6 @@
  */
 #include <asm/nohash/pte-book3e.h>
 
-#define _PAGE_SAO	0
-
 #define PTE_RPN_MASK	(~((1UL << PTE_RPN_SHIFT) - 1))
 
 /*
-- 
2.36.1