From 5e11f98dcebc40c9d67e8d21a5f47248444c17a8 Mon Sep 17 00:00:00 2001 From: Robert Richter Date: Tue, 22 Jul 2008 21:08:52 +0200 Subject: OProfile: moving increment_tail() in buffer_sync.c Signed-off-by: Robert Richter Cc: oprofile-list Cc: Barry Kasindorf Signed-off-by: Ingo Molnar --- drivers/oprofile/buffer_sync.c | 24 +++++++++++------------- 1 file changed, 11 insertions(+), 13 deletions(-) (limited to 'drivers/oprofile') diff --git a/drivers/oprofile/buffer_sync.c b/drivers/oprofile/buffer_sync.c index 69a732778ba..615929f6f0c 100644 --- 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, -- cgit v1.2.3