mm: convert pr_warning to pr_warn

There are a mixture of pr_warning and pr_warn uses in mm.  Use pr_warn
consistently.

Miscellanea:

 - Coalesce formats
 - Realign arguments

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>

mm/kmemleak.c

@@ -276,7 +276,7 @@ static void kmemleak_disable(void);
  * Print a warning and dump the stack trace.
  */
 #define kmemleak_warn(x...)	do {		\
-	pr_warning(x);				\
+	pr_warn(x);				\
 	dump_stack();				\
 	kmemleak_warning = 1;			\
 } while (0)
@@ -543,7 +543,7 @@ static struct kmemleak_object *create_object(unsigned long ptr, size_t size,
 
 	object = kmem_cache_alloc(object_cache, gfp_kmemleak_mask(gfp));
 	if (!object) {
-		pr_warning("Cannot allocate a kmemleak_object structure\n");
+		pr_warn("Cannot allocate a kmemleak_object structure\n");
 		kmemleak_disable();
 		return NULL;
 	}
@@ -764,7 +764,7 @@ static void add_scan_area(unsigned long ptr, size_t size, gfp_t gfp)
 
 	area = kmem_cache_alloc(scan_area_cache, gfp_kmemleak_mask(gfp));
 	if (!area) {
-		pr_warning("Cannot allocate a scan area\n");
+		pr_warn("Cannot allocate a scan area\n");
 		goto out;
 	}
 
@@ -1515,7 +1515,7 @@ static void start_scan_thread(void)
 		return;
 	scan_thread = kthread_run(kmemleak_scan_thread, NULL, "kmemleak");
 	if (IS_ERR(scan_thread)) {
-		pr_warning("Failed to create the scan thread\n");
+		pr_warn("Failed to create the scan thread\n");
 		scan_thread = NULL;
 	}
 }
@@ -1874,8 +1874,8 @@ void __init kmemleak_init(void)
 	scan_area_cache = KMEM_CACHE(kmemleak_scan_area, SLAB_NOLEAKTRACE);
 
 	if (crt_early_log > ARRAY_SIZE(early_log))
-		pr_warning("Early log buffer exceeded (%d), please increase "
-			   "DEBUG_KMEMLEAK_EARLY_LOG_SIZE\n", crt_early_log);
+		pr_warn("Early log buffer exceeded (%d), please increase DEBUG_KMEMLEAK_EARLY_LOG_SIZE\n",
+			crt_early_log);
 
 	/* the kernel is still in UP mode, so disabling the IRQs is enough */
 	local_irq_save(flags);
@@ -1960,7 +1960,7 @@ static int __init kmemleak_late_init(void)
 	dentry = debugfs_create_file("kmemleak", S_IRUGO, NULL, NULL,
 				     &kmemleak_fops);
 	if (!dentry)
-		pr_warning("Failed to create the debugfs kmemleak file\n");
+		pr_warn("Failed to create the debugfs kmemleak file\n");
 	mutex_lock(&scan_mutex);
 	start_scan_thread();
 	mutex_unlock(&scan_mutex);