OProfile: moving increment_tail() in buffer_sync.c

Signed-off-by: Robert Richter <robert.richter@amd.com>
Cc: oprofile-list <oprofile-list@lists.sourceforge.net>
Cc: Barry Kasindorf <barry.kasindorf@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/drivers/oprofile/buffer_sync.c b/drivers/oprofile/buffer_sync.c
index 69a7327..615929f 100644 (file)
--- a/drivers/oprofile/buffer_sync.c
+++ b/drivers/oprofile/buffer_sync.c
@@ -268,6 +268,17 @@ lookup_dcookie(struct mm_struct *mm, unsigned long addr, off_t *offset)
        return cookie;
 }
 
+static void increment_tail(struct oprofile_cpu_buffer *b)
+{
+       unsigned long new_tail = b->tail_pos + 1;
+
+       rmb();
+
+       if (new_tail < b->buffer_size)
+               b->tail_pos = new_tail;
+       else
+               b->tail_pos = 0;
+}
 
 static unsigned long last_cookie = INVALID_COOKIE;
 
@@ -417,19 +428,6 @@ static unsigned long get_slots(struct oprofile_cpu_buffer *b)
 }
 
 
-static void increment_tail(struct oprofile_cpu_buffer *b)
-{
-       unsigned long new_tail = b->tail_pos + 1;
-
-       rmb();
-
-       if (new_tail < b->buffer_size)
-               b->tail_pos = new_tail;
-       else
-               b->tail_pos = 0;
-}
-
-
 /* Move tasks along towards death. Any tasks on dead_tasks
  * will definitely have no remaining references in any
  * CPU buffers at this point, because we use two lists,