add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/arch/powerpc/include/asm/slice.h
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@@ -4,11 +4,11 @@
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 #ifdef CONFIG_PPC_BOOK3S_64
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 #include <asm/book3s/64/slice.h>
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-#elif defined(CONFIG_PPC64)
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-#include <asm/nohash/64/slice.h>
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-#elif defined(CONFIG_PPC_MMU_NOHASH)
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-#include <asm/nohash/32/slice.h>
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 #endif
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+
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+#ifndef __ASSEMBLY__
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+
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+struct mm_struct;
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 #ifdef CONFIG_PPC_MM_SLICES
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@@ -17,10 +17,6 @@
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 #endif
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 #define HAVE_ARCH_UNMAPPED_AREA
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 #define HAVE_ARCH_UNMAPPED_AREA_TOPDOWN
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-
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-#ifndef __ASSEMBLY__
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-
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-struct mm_struct;
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 unsigned long slice_get_unmapped_area(unsigned long addr, unsigned long len,
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 				      unsigned long flags, unsigned int psize,
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@@ -32,9 +28,19 @@
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 			   unsigned long len, unsigned int psize);
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 void slice_init_new_context_exec(struct mm_struct *mm);
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+void slice_setup_new_exec(void);
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-#endif /* __ASSEMBLY__ */
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+#else /* CONFIG_PPC_MM_SLICES */
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+
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+static inline void slice_init_new_context_exec(struct mm_struct *mm) {}
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+
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+static inline unsigned int get_slice_psize(struct mm_struct *mm, unsigned long addr)
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+{
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+	return 0;
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+}
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 #endif /* CONFIG_PPC_MM_SLICES */
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+#endif /* __ASSEMBLY__ */
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+
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 #endif /* _ASM_POWERPC_SLICE_H */