1 files changed, 8 insertions, 1 deletions

diff --git a/include/linux/memory.h b/include/linux/memory.h
index 85582e1bcee9..935699b30b7c 100644
--- a/include/linux/memory.h
+++ b/include/linux/memory.h
@@ -20,9 +20,14 @@
 #include <linux/compiler.h>
 #include <linux/mutex.h>
 
+#define MIN_MEMORY_BLOCK_SIZE     (1 << SECTION_SIZE_BITS)
+
 struct memory_block {
-        unsigned long phys_index;
+        unsigned long start_section_nr;
+        unsigned long end_section_nr;
         unsigned long state;
+        int section_count;
+
         /*
          * This serializes all state change requests.  It isn't
          * held during creation because the control files are
@@ -113,6 +118,8 @@ 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_hinted(struct mem_section *,
+                                                        struct memory_block *);
 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 };