From 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sat, 27 Apr 2024 12:05:51 +0200
Subject: Adding upstream version 5.10.209.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 arch/sh/include/asm/pgtable-2level.h | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 arch/sh/include/asm/pgtable-2level.h

(limited to 'arch/sh/include/asm/pgtable-2level.h')

diff --git a/arch/sh/include/asm/pgtable-2level.h b/arch/sh/include/asm/pgtable-2level.h
new file mode 100644
index 000000000..08bff9392
--- /dev/null
+++ b/arch/sh/include/asm/pgtable-2level.h
@@ -0,0 +1,24 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __ASM_SH_PGTABLE_2LEVEL_H
+#define __ASM_SH_PGTABLE_2LEVEL_H
+
+#include <asm-generic/pgtable-nopmd.h>
+
+/*
+ * traditional two-level paging structure
+ */
+#define PAGETABLE_LEVELS	2
+
+/* PTE bits */
+#define PTE_MAGNITUDE		2	/* 32-bit PTEs */
+
+#define PTE_SHIFT		PAGE_SHIFT
+#define PTE_BITS		(PTE_SHIFT - PTE_MAGNITUDE)
+
+/* PGD bits */
+#define PGDIR_SHIFT		(PTE_SHIFT + PTE_BITS)
+
+#define PTRS_PER_PGD		(PAGE_SIZE / (1 << PTE_MAGNITUDE))
+#define USER_PTRS_PER_PGD	(TASK_SIZE/PGDIR_SIZE)
+
+#endif /* __ASM_SH_PGTABLE_2LEVEL_H */
-- 
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