change system file

hc

2024-10-09 244b2c5ca8b14627e4a17755e5922221e121c771

 kernel/include/xen/balloon.h
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@@ -2,6 +2,8 @@
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 /******************************************************************************
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  * Xen balloon functionality
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  */
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+#ifndef _XEN_BALLOON_H
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+#define _XEN_BALLOON_H
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 #define RETRY_UNLIMITED	0
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@@ -27,16 +29,6 @@
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 int alloc_xenballooned_pages(int nr_pages, struct page **pages);
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 void free_xenballooned_pages(int nr_pages, struct page **pages);
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-struct device;
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-#ifdef CONFIG_XEN_SELFBALLOONING
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-extern int register_xen_selfballooning(struct device *dev);
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-#else
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-static inline int register_xen_selfballooning(struct device *dev)
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-{
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-	return -ENOSYS;
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-}
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-#endif
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-
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 #ifdef CONFIG_XEN_BALLOON
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 void xen_balloon_init(void);
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 #else
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@@ -44,3 +36,5 @@
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 {
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 }
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 #endif
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+
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+#endif	/* _XEN_BALLOON_H */