mm: convert printk(KERN_<LEVEL> to pr_<level>

Most of the mm subsystem uses pr_<level> so make it consistent.

Miscellanea:

 - Realign arguments
 - Add missing newline to format
 - kmemleak-test.c has a "kmemleak: " prefix added to the
   "Kmemleak testing" logging message via pr_fmt

Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Tejun Heo <tj@kernel.org>	[percpu]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/mm/dmapool.c b/mm/dmapool.c
index 2821500..abcbfe8 100644
--- a/mm/dmapool.c
+++ b/mm/dmapool.c
@@ -294,8 +294,7 @@
 					"dma_pool_destroy %s, %p busy\n",
 					pool->name, page->vaddr);
 			else
-				printk(KERN_ERR
-				       "dma_pool_destroy %s, %p busy\n",
+				pr_err("dma_pool_destroy %s, %p busy\n",
 				       pool->name, page->vaddr);
 			/* leak the still-in-use consistent memory */
 			list_del(&page->page_list);
@@ -424,7 +423,7 @@
 				"dma_pool_free %s, %p/%lx (bad dma)\n",
 				pool->name, vaddr, (unsigned long)dma);
 		else
-			printk(KERN_ERR "dma_pool_free %s, %p/%lx (bad dma)\n",
+			pr_err("dma_pool_free %s, %p/%lx (bad dma)\n",
 			       pool->name, vaddr, (unsigned long)dma);
 		return;
 	}
@@ -438,8 +437,7 @@
 				"dma_pool_free %s, %p (bad vaddr)/%Lx\n",
 				pool->name, vaddr, (unsigned long long)dma);
 		else
-			printk(KERN_ERR
-			       "dma_pool_free %s, %p (bad vaddr)/%Lx\n",
+			pr_err("dma_pool_free %s, %p (bad vaddr)/%Lx\n",
 			       pool->name, vaddr, (unsigned long long)dma);
 		return;
 	}
@@ -455,8 +453,8 @@
 				dev_err(pool->dev, "dma_pool_free %s, dma %Lx already free\n",
 					pool->name, (unsigned long long)dma);
 			else
-				printk(KERN_ERR "dma_pool_free %s, dma %Lx already free\n",
-					pool->name, (unsigned long long)dma);
+				pr_err("dma_pool_free %s, dma %Lx already free\n",
+				       pool->name, (unsigned long long)dma);
 			return;
 		}
 	}