[PATCH 3/5] v2 Change the mutex name in the memory_block struct

@@ -144,14 +144,14 @@
 	int ret = 1;
 
 	mem = container_of(dev, struct memory_block, sysdev);
-	mutex_lock(&mem->state_mutex);
+	mutex_lock(&mem->mutex);
 
 	list_for_each_entry(mbs, &mem->sections, next) {
 		start_pfn = section_nr_to_pfn(mbs->phys_index);
 		ret &= is_mem_section_removable(start_pfn, PAGES_PER_SECTION);
 	}
 
-	mutex_unlock(&mem->state_mutex);
+	mutex_unlock(&mem->mutex);
 	return sprintf(buf, "%d\n", ret);
 }
 

@@ -263,7 +263,7 @@
 	struct memory_block_section *mbs;
 	int ret = 0;
 
-	mutex_lock(&mem->state_mutex);
+	mutex_lock(&mem->mutex);
 
 	list_for_each_entry(mbs, &mem->sections, next) {
 		if (mbs->state != from_state_req)

@@ -288,7 +288,7 @@
 	if (!ret)
 		mem->state = to_state;
 
-	mutex_unlock(&mem->state_mutex);
+	mutex_unlock(&mem->mutex);
 	return ret;
 }
 

@@ -531,12 +531,12 @@
 			return -ENOMEM;
 
 		mem->state = state;
-		mutex_init(&mem->state_mutex);
+		mutex_init(&mem->mutex);
 		start_pfn = section_nr_to_pfn(__section_nr(section));
 		mem->phys_device = arch_get_memory_phys_device(start_pfn);
 		INIT_LIST_HEAD(&mem->sections);
 
-		mutex_lock(&mem->state_mutex);
+		mutex_lock(&mem->mutex);
 
 		ret = register_memory(mem, section);
 		if (!ret)

@@ -555,13 +555,13 @@
 		}
 	} else {
 		kobject_put(&mem->sysdev.kobj);
-		mutex_lock(&mem->state_mutex);
+		mutex_lock(&mem->mutex);
 	}
 
 	if (!ret)
 		ret = add_mem_block_section(mem, __section_nr(section), state);
 
-	mutex_unlock(&mem->state_mutex);
+	mutex_unlock(&mem->mutex);
 	return ret;
 }
 

@@ -573,7 +573,7 @@
 	int section_nr = __section_nr(section);
 
 	mem = find_memory_block(section);
-	mutex_lock(&mem->state_mutex);
+	mutex_lock(&mem->mutex);
 
 	/* remove the specified section */
 	list_for_each_entry_safe(mbs, tmp, &mem->sections, next) {

@@ -583,7 +583,7 @@
 		}
 	}
 
-	mutex_unlock(&mem->state_mutex);
+	mutex_unlock(&mem->mutex);
 
 	if (list_empty(&mem->sections)) {
 		unregister_mem_sect_under_nodes(mem);

@@ -31,14 +31,7 @@
 	unsigned long state;
 	unsigned long start_phys_index;
 	unsigned long end_phys_index;
-
-	/*
-	 * This serializes all state change requests.  It isn't
-	 * held during creation because the control files are
-	 * created long after the critical areas during
-	 * initialization.
-	 */
-	struct mutex state_mutex;
+	struct mutex mutex;
 	int phys_device;		/* to which fru does this belong? */
 	void *hw;			/* optional pointer to fw/hw data */
 	int (*phys_callback)(struct memory_block *);