kernel_5.10 no rt

hc

2023-12-11 6778948f9de86c3cfaf36725a7c87dcff9ba247f

 kernel/arch/sh/include/asm/fixmap.h
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@@ -13,6 +13,9 @@
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 #include <linux/kernel.h>
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 #include <linux/threads.h>
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 #include <asm/page.h>
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+#ifdef CONFIG_HIGHMEM
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+#include <asm/kmap_types.h>
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+#endif
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 /*
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  * Here we define all the compile-time 'special' virtual
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@@ -50,6 +53,11 @@
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 	FIX_CMAP_BEGIN,
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 	FIX_CMAP_END = FIX_CMAP_BEGIN + (FIX_N_COLOURS * NR_CPUS) - 1,
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+#ifdef CONFIG_HIGHMEM
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+	FIX_KMAP_BEGIN,	/* reserved pte's for temporary kernel mappings */
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+	FIX_KMAP_END = FIX_KMAP_BEGIN + (KM_TYPE_NR * NR_CPUS) - 1,
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+#endif
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+
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 #ifdef CONFIG_IOREMAP_FIXED
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 	/*
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 	 * FIX_IOREMAP entries are useful for mapping physical address