X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=mm%2Fmemory_hotplug.c;h=f6f23833de44702332d81188f0fd7e5fcd926d46;hb=52839bfb0c4b56b5c2688c96ce656df4034b2c87;hp=cc2ab37220b7f1e226f2def39311c78e63420fdc;hpb=13c789a6b219aa23f917466c7e630566106b14c2;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index cc2ab37..f6f2383 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -1107,17 +1107,18 @@ int __ref add_memory(int nid, u64 start, u64 size)
 	if (ret)
 		return ret;
 
-	lock_memory_hotplug();
-
 	res = register_memory_resource(start, size);
 	ret = -EEXIST;
 	if (!res)
-		goto out;
+		return ret;
 
 	{	/* Stupid hack to suppress address-never-null warning */
 		void *p = NODE_DATA(nid);
 		new_pgdat = !p;
 	}
+
+	lock_memory_hotplug();
+
 	new_node = !node_online(nid);
 	if (new_node) {
 		pgdat = hotadd_new_pgdat(nid, start);
@@ -1309,7 +1310,7 @@ do_migrate_range(unsigned long start_pfn, unsigned long end_pfn)
 #ifdef CONFIG_DEBUG_VM
 			printk(KERN_ALERT "removing pfn %lx from LRU failed\n",
 			       pfn);
-			dump_page(page);
+			dump_page(page, "failed to remove from LRU");
 #endif
 			put_page(page);
 			/* Because we don't have big zone->lock. we should
@@ -1331,7 +1332,7 @@ do_migrate_range(unsigned long start_pfn, unsigned long end_pfn)
 		 * alloc_migrate_target should be improooooved!!
 		 * migrate_pages returns # of failed pages.
 		 */
-		ret = migrate_pages(&source, alloc_migrate_target, 0,
+		ret = migrate_pages(&source, alloc_migrate_target, NULL, 0,
 					MIGRATE_SYNC, MR_MEMORY_HOTPLUG);
 		if (ret)
 			putback_movable_pages(&source);