libata-sff: ap->[last_]ctl are SFF specific

[safe/jmp/linux-2.6] / include / linux / memory.h

diff --git a/include/linux/memory.h b/include/linux/memory.h
index 37fa19b..85582e1 100644 (file)
--- a/include/linux/memory.h
+++ b/include/linux/memory.h
@@ -36,6 +36,8 @@ struct memory_block {
        struct sys_device sysdev;
 };
 
+int arch_get_memory_phys_device(unsigned long start_pfn);
+
 /* These states are exposed to userspace as text strings in sysfs */
 #define        MEM_ONLINE              (1<<0) /* exposed to userspace */
 #define        MEM_GOING_OFFLINE       (1<<1) /* exposed to userspace */
@@ -50,6 +52,19 @@ struct memory_notify {
        int status_change_nid;
 };
 
+/*
+ * During pageblock isolation, count the number of pages within the
+ * range [start_pfn, start_pfn + nr_pages) which are owned by code
+ * in the notifier chain.
+ */
+#define MEM_ISOLATE_COUNT      (1<<0)
+
+struct memory_isolate_notify {
+       unsigned long start_pfn;        /* Start of range to check */
+       unsigned int nr_pages;          /* # pages in range to check */
+       unsigned int pages_found;       /* # pages owned found by callbacks */
+};
+
 struct notifier_block;
 struct mem_section;
 
@@ -76,14 +91,28 @@ static inline int memory_notify(unsigned long val, void *v)
 {
        return 0;
 }
+static inline int register_memory_isolate_notifier(struct notifier_block *nb)
+{
+       return 0;
+}
+static inline void unregister_memory_isolate_notifier(struct notifier_block *nb)
+{
+}
+static inline int memory_isolate_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_memory_isolate_notifier(struct notifier_block *nb);
+extern void unregister_memory_isolate_notifier(struct notifier_block *nb);
 extern int register_new_memory(int, 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);
+extern int memory_isolate_notify(unsigned long val, void *v);
 extern struct memory_block *find_memory_block(struct mem_section *);
 #define CONFIG_MEM_BLOCK_SIZE  (PAGES_PER_SECTION<<PAGE_SHIFT)
 enum mem_add_context { BOOT, HOTPLUG };