X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=include%2Flinux%2Fmemory.h;h=33f0ff0cf63483cc776d4878d1ec24f1ab45e437;hb=9ccc236269c1a838b58148c94ac0eeeca885b836;hp=e251dc43d0f5ab8faee980ade3cbc3780db499ea;hpb=05814450070f13b671fc9dbf89477677aa0258cb;p=linux-2.6-omap-h63xx.git

diff --git a/include/linux/memory.h b/include/linux/memory.h
index e251dc43d0f..33f0ff0cf63 100644
--- a/include/linux/memory.h
+++ b/include/linux/memory.h
@@ -41,23 +41,20 @@ struct memory_block {
 #define	MEM_ONLINE		(1<<0) /* exposed to userspace */
 #define	MEM_GOING_OFFLINE	(1<<1) /* exposed to userspace */
 #define	MEM_OFFLINE		(1<<2) /* exposed to userspace */
+#define	MEM_GOING_ONLINE	(1<<3)
+#define	MEM_CANCEL_ONLINE	(1<<4)
+#define	MEM_CANCEL_OFFLINE	(1<<5)
 
-/*
- * All of these states are currently kernel-internal for notifying
- * kernel components and architectures.
- *
- * For MEM_MAPPING_INVALID, all notifier chains with priority >0
- * are called before pfn_to_page() becomes invalid.  The priority=0
- * entry is reserved for the function that actually makes
- * pfn_to_page() stop working.  Any notifiers that want to be called
- * after that should have priority <0.
- */
-#define	MEM_MAPPING_INVALID	(1<<3)
+struct memory_notify {
+	unsigned long start_pfn;
+	unsigned long nr_pages;
+	int status_change_nid;
+};
 
 struct notifier_block;
 struct mem_section;
 
-#ifndef CONFIG_MEMORY_HOTPLUG
+#ifndef CONFIG_MEMORY_HOTPLUG_SPARSE
 static inline int memory_dev_init(void)
 {
 	return 0;
@@ -69,22 +66,31 @@ static inline int register_memory_notifier(struct notifier_block *nb)
 static inline void unregister_memory_notifier(struct notifier_block *nb)
 {
 }
+static inline int memory_notify(unsigned long val, void *v)
+{
+	return 0;
+}
 #else
+extern int register_memory_notifier(struct notifier_block *nb);
+extern void unregister_memory_notifier(struct notifier_block *nb);
 extern int register_new_memory(struct mem_section *);
 extern int unregister_memory_section(struct mem_section *);
 extern int memory_dev_init(void);
 extern int remove_memory_block(unsigned long, struct mem_section *, int);
-
+extern int memory_notify(unsigned long val, void *v);
 #define CONFIG_MEM_BLOCK_SIZE	(PAGES_PER_SECTION<<PAGE_SHIFT)
 
-struct notifier_block;
 
-#endif /* CONFIG_MEMORY_HOTPLUG */
+#endif /* CONFIG_MEMORY_HOTPLUG_SPARSE */
 
+#ifdef CONFIG_MEMORY_HOTPLUG
 #define hotplug_memory_notifier(fn, pri) {			\
 	static struct notifier_block fn##_mem_nb =		\
 		{ .notifier_call = fn, .priority = pri };	\
 	register_memory_notifier(&fn##_mem_nb);			\
 }
+#else
+#define hotplug_memory_notifier(fn, pri) do { } while (0)
+#endif
 
 #endif /* _LINUX_MEMORY_H_ */