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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@@ -119,6 +119,9 @@ extern int memory_isolate_notify(unsigned long val, void *v); · 118 unmodified lines
119	119	extern struct memory_block find_memory_block_hinted(struct mem_section ,
120	120	struct memory_block *);
121	121	extern struct memory_block find_memory_block(struct mem_section );
	122	+typedef int (walk_memory_blocks_func_t)(struct memory_block , void *);
	123	+extern int walk_memory_blocks(unsigned long start, unsigned long size,
	124	+ void *arg, walk_memory_blocks_func_t func);
122	125	#define CONFIG_MEM_BLOCK_SIZE (PAGES_PER_SECTION<<PAGE_SHIFT)
123	126	#endif /* CONFIG_MEMORY_HOTPLUG_SPARSE */
124	127

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

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