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2024-05-10 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb

 kernel/arch/m68k/include/asm/page.h
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@@ -21,19 +21,32 @@
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 /*
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  * These are used to make use of C type-checking..
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  */
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+#if !defined(CONFIG_MMU) || CONFIG_PGTABLE_LEVELS == 3
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+typedef struct { unsigned long pmd; } pmd_t;
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+#define pmd_val(x)	((&x)->pmd)
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+#define __pmd(x)	((pmd_t) { (x) } )
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+#endif
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+
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 typedef struct { unsigned long pte; } pte_t;
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-typedef struct { unsigned long pmd[16]; } pmd_t;
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 typedef struct { unsigned long pgd; } pgd_t;
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 typedef struct { unsigned long pgprot; } pgprot_t;
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+
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+#if defined(CONFIG_SUN3)
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+/*
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+ * Sun3 still uses the asm-generic/pgalloc.h code and thus needs this
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+ * definition. It would be possible to unify Sun3 and ColdFire pgalloc and have
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+ * all of m68k use the same type.
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+ */
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 typedef struct page *pgtable_t;
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+#else
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+typedef pte_t *pgtable_t;
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+#endif
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 #define pte_val(x)	((x).pte)
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-#define pmd_val(x)	((&x)->pmd[0])
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 #define pgd_val(x)	((x).pgd)
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 #define pgprot_val(x)	((x).pgprot)
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 #define __pte(x)	((pte_t) { (x) } )
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-#define __pmd(x)	((pmd_t) { { (x) }, })
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 #define __pgd(x)	((pgd_t) { (x) } )
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 #define __pgprot(x)	((pgprot_t) { (x) } )
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@@ -51,9 +64,6 @@
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 #define __phys_to_pfn(paddr)	((unsigned long)((paddr) >> PAGE_SHIFT))
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 #define __pfn_to_phys(pfn)	PFN_PHYS(pfn)
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-
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-#define VM_DATA_DEFAULT_FLAGS	(VM_READ | VM_WRITE | VM_EXEC | \
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-				 VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
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 #include <asm-generic/getorder.h>
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