mm/memory_hotplug: move and simplify walk_memory_blocks()

Let's move walk_memory_blocks() to the place where memory block logic resides and simplify it. While at it, add a type for the callback function.

David Hildenbrand committed 7 years ago

Commit ea884641 parent fbcf73c4 files · +45 −57Browse files

Showing the changes to include/linux (2 of 4 files). Show all

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 extern struct memory_block *find_memory_block_hinted(struct mem_section *,
 							struct memory_block *);
 extern struct memory_block *find_memory_block(struct mem_section *);
+typedef int (*walk_memory_blocks_func_t)(struct memory_block *, void *);
+extern int walk_memory_blocks(unsigned long start, unsigned long size,
+			      void *arg, walk_memory_blocks_func_t func);
 #define CONFIG_MEM_BLOCK_SIZE	(PAGES_PER_SECTION<<PAGE_SHIFT)
 #endif /* CONFIG_MEMORY_HOTPLUG_SPARSE */

@@ -340,8 +340,6 @@ static inline void __remove_memory(int nid, u64 start, u64 size) {} · 339 unmodified lines
340	#endif /* CONFIG_MEMORY_HOTREMOVE */	340	#endif /* CONFIG_MEMORY_HOTREMOVE */
341		341
342	extern void __ref free_area_init_core_hotplug(int nid);	342	extern void __ref free_area_init_core_hotplug(int nid);
343	extern int walk_memory_blocks(unsigned long start, unsigned long size,
344	void arg, int (func)(struct memory_block , void ));
345	extern int __add_memory(int nid, u64 start, u64 size);	343	extern int __add_memory(int nid, u64 start, u64 size);
346	extern int add_memory(int nid, u64 start, u64 size);	344	extern int add_memory(int nid, u64 start, u64 size);
347	extern int add_memory_resource(int nid, struct resource *resource);	345	extern int add_memory_resource(int nid, struct resource *resource);

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