make kernel/profile.c:time_hook static
{,un}register_timer_hook() is the API that should be used.
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/include/linux/profile.h b/include/linux/profile.h
index eec48f5f..ff576d1 100644
--- a/include/linux/profile.h
+++ b/include/linux/profile.h
@@ -78,9 +78,6 @@
int register_timer_hook(int (*hook)(struct pt_regs *));
void unregister_timer_hook(int (*hook)(struct pt_regs *));
-/* Timer based profiling hook */
-extern int (*timer_hook)(struct pt_regs *);
-
struct pt_regs;
#else
diff --git a/kernel/profile.c b/kernel/profile.c
index 6f69bf7..631b75c 100644
--- a/kernel/profile.c
+++ b/kernel/profile.c
@@ -37,7 +37,7 @@
#define NR_PROFILE_GRP (NR_PROFILE_HIT/PROFILE_GRPSZ)
/* Oprofile timer tick hook */
-int (*timer_hook)(struct pt_regs *) __read_mostly;
+static int (*timer_hook)(struct pt_regs *) __read_mostly;
static atomic_t *prof_buffer;
static unsigned long prof_len, prof_shift;