diff --git a/include/linux/profile.h b/include/linux/profile.h
index acce53f..5670b34 100644
--- a/include/linux/profile.h
+++ b/include/linux/profile.h
@@ -6,10 +6,15 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/cpumask.h>
+#include <linux/cache.h>
+
 #include <asm/errno.h>
 
+extern int prof_on __read_mostly;
+
 #define CPU_PROFILING	1
 #define SCHED_PROFILING	2
+#define SLEEP_PROFILING	3
 
 struct proc_dir_entry;
 struct pt_regs;
@@ -18,7 +23,24 @@
 /* init basic kernel profiler */
 void __init profile_init(void);
 void profile_tick(int);
-void profile_hit(int, void *);
+
+/*
+ * Add multiple profiler hits to a given address:
+ */
+void profile_hits(int, void *ip, unsigned int nr_hits);
+
+/*
+ * Single profiler hit:
+ */
+static inline void profile_hit(int type, void *ip)
+{
+	/*
+	 * Speedup for the common (no profiling enabled) case:
+	 */
+	if (unlikely(prof_on == type))
+		profile_hits(type, ip, 1);
+}
+
 #ifdef CONFIG_PROC_FS
 void create_prof_cpu_mask(struct proc_dir_entry *);
 #else