add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/arch/powerpc/include/asm/mmzone.h
..
..
@@ -46,5 +46,10 @@
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 #define __HAVE_ARCH_RESERVED_KERNEL_PAGES
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 #endif
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+#ifdef CONFIG_MEMORY_HOTPLUG
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+extern int create_section_mapping(unsigned long start, unsigned long end,
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+				  int nid, pgprot_t prot);
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+#endif
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+
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 #endif /* __KERNEL__ */
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 #endif /* _ASM_MMZONE_H_ */