kernel_5.10 no rt

hc

2023-12-11 6778948f9de86c3cfaf36725a7c87dcff9ba247f

 kernel/arch/m68k/include/asm/pgtable_no.h
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@@ -2,7 +2,7 @@
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 #ifndef _M68KNOMMU_PGTABLE_H
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 #define _M68KNOMMU_PGTABLE_H
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-#include <asm-generic/4level-fixup.h>
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+#include <asm-generic/pgtable-nopud.h>
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 /*
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  * (C) Copyright 2000-2002, Greg Ungerer <gerg@snapgear.com>
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@@ -42,12 +42,8 @@
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  * ZERO_PAGE is a global shared page that is always zero: used
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  * for zero-mapped memory areas etc..
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  */
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-#define ZERO_PAGE(vaddr)	(virt_to_page(0))
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-
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-/*
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- * No page table caches to initialise.
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- */
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-#define pgtable_cache_init()	do { } while (0)
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+extern void *empty_zero_page;
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+#define ZERO_PAGE(vaddr)	(virt_to_page(empty_zero_page))
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 /*
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  * All 32bit addresses are effectively valid for vmalloc...
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@@ -57,9 +53,5 @@
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 #define	VMALLOC_END	0xffffffff
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 #define	KMAP_START	0
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 #define	KMAP_END	0xffffffff
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-
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-#include <asm-generic/pgtable.h>
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-
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-#define check_pgt_cache()	do { } while (0)
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 #endif /* _M68KNOMMU_PGTABLE_H */