---

yaml --- r: 91386 b: refs/heads/master c: da19cbc h: refs/heads/master v: v3
git-mirror · Apr 20, 2008 · d02e0f0 · d02e0f0
1 parent 0067f9e
commit d02e0f0
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Showing 4 changed files with 8 additions and 8 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 610ad5064cb90aec35f5837bbde3d316fe02aca7
+refs/heads/master: da19cbcf71cde3c09587b5924d113f0c7f1fd23a
diff --git a/trunk/drivers/base/memory.c b/trunk/drivers/base/memory.c
@@ -20,6 +20,7 @@
 #include <linux/kobject.h>
 #include <linux/memory_hotplug.h>
 #include <linux/mm.h>
+#include <linux/mutex.h>
 #include <asm/atomic.h>
 #include <asm/uaccess.h>
 
@@ -205,7 +206,7 @@ static int memory_block_change_state(struct memory_block *mem,
 		unsigned long to_state, unsigned long from_state_req)
 {
 	int ret = 0;
-	down(&mem->state_sem);
+	mutex_lock(&mem->state_mutex);
 
 	if (mem->state != from_state_req) {
 		ret = -EINVAL;
@@ -217,7 +218,7 @@ static int memory_block_change_state(struct memory_block *mem,
 		mem->state = to_state;
 
 out:
-	up(&mem->state_sem);
+	mutex_unlock(&mem->state_mutex);
 	return ret;
 }
 
@@ -341,7 +342,7 @@ static int add_memory_block(unsigned long node_id, struct mem_section *section,
 
 	mem->phys_index = __section_nr(section);
 	mem->state = state;
-	init_MUTEX(&mem->state_sem);
+	mutex_init(&mem->state_mutex);
 	mem->phys_device = phys_device;
 
 	ret = register_memory(mem, section, NULL);

diff --git a/trunk/include/linux/memory.h b/trunk/include/linux/memory.h
@@ -18,8 +18,7 @@
 #include <linux/sysdev.h>
 #include <linux/node.h>
 #include <linux/compiler.h>
-
-#include <asm/semaphore.h>
+#include <linux/mutex.h>
 
 struct memory_block {
 	unsigned long phys_index;
@@ -30,7 +29,7 @@ struct memory_block {
 	 * created long after the critical areas during
 	 * initialization.
 	 */
-	struct semaphore state_sem;
+	struct mutex state_mutex;
 	int phys_device;		/* to which fru does this belong? */
 	void *hw;			/* optional pointer to fw/hw data */
 	int (*phys_callback)(struct memory_block *);

diff --git a/trunk/mm/memory_hotplug.c b/trunk/mm/memory_hotplug.c
@@ -208,7 +208,7 @@ int online_pages(unsigned long pfn, unsigned long nr_pages)
 	/*
 	 * This doesn't need a lock to do pfn_to_page().
 	 * The section can't be removed here because of the
-	 * memory_block->state_sem.
+	 * memory_block->state_mutex.
 	 */
 	zone = page_zone(pfn_to_page(pfn));
 	pgdat_resize_lock(zone->zone_pgdat, &flags);