src/patches/suse-2.6.27.25/patches.suse/connector-read-mostly

   1 From: Chris Mason <mason@suse.com>
   2 Subject: Make proc_event_num_listeners __read_mostly
   3
   4 This will lower the fast path costs of the userland connector code.
   5
   6 Acked-by: Jeff Mahoney <jeffm@suse.com>
   7
   8 ---
   9  drivers/connector/cn_proc.c |    2 +-
  10  1 file changed, 1 insertion(+), 1 deletion(-)
  11
  12 --- a/drivers/connector/cn_proc.c
  13 +++ b/drivers/connector/cn_proc.c
  14 @@ -34,7 +34,7 @@
  15
  16  #define CN_PROC_MSG_SIZE (sizeof(struct cn_msg) + sizeof(struct proc_event))
  17
  18 -static atomic_t proc_event_num_listeners = ATOMIC_INIT(0);
  19 +static atomic_t proc_event_num_listeners __read_mostly = ATOMIC_INIT(0);
  20  static struct cb_id cn_proc_event_id = { CN_IDX_PROC, CN_VAL_PROC };
  21
  22  /* proc_event_counts is used as the sequence number of the netlink message */