locking/lockdep: Fix two 32-bit compiler warnings

Use %zu to format size_t instead of %lu to avoid that the compiler
complains about a mismatch between format specifier and argument on
32-bit systems.
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Johannes Berg <johannes@sipsolutions.net>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Waiman Long <longman@redhat.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: johannes.berg@intel.com
Cc: tj@kernel.org
Link: https://lkml.kernel.org/r/20190214230058.196511-2-bvanassche@acm.orgSigned-off-by: Ingo Molnar <mingo@kernel.org>

kernel/locking/lockdep.c

@@ -4266,7 +4266,7 @@ void __init lockdep_init(void)
 	printk("... MAX_LOCKDEP_CHAINS:      %lu\n", MAX_LOCKDEP_CHAINS);
 	printk("... CHAINHASH_SIZE:          %lu\n", CHAINHASH_SIZE);
 
-	printk(" memory used by lock dependency info: %lu kB\n",
+	printk(" memory used by lock dependency info: %zu kB\n",
 		(sizeof(struct lock_class) * MAX_LOCKDEP_KEYS +
 		sizeof(struct list_head) * CLASSHASH_SIZE +
 		sizeof(struct lock_list) * MAX_LOCKDEP_ENTRIES +
@@ -4278,7 +4278,7 @@ void __init lockdep_init(void)
 		) / 1024
 		);
 
-	printk(" per task-struct memory footprint: %lu bytes\n",
+	printk(" per task-struct memory footprint: %zu bytes\n",
 		sizeof(struct held_lock) * MAX_LOCK_DEPTH);
 }