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| author | Christoph Lameter <cl@linux.com> | 2010-12-08 17:42:22 +0100 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2010-12-17 15:18:05 +0100 |
| commit | cd85fc58cd71bf6b89612efafb9a84e655ed7d66 (patch) | |
| tree | 263a03558fec644dfaa6b389106bb6f7d6bacfbd /kernel/taskstats.c | |
| parent | b29c617af3b09d150d3889836c24d39564b39180 (diff) | |
| download | blackbird-op-linux-cd85fc58cd71bf6b89612efafb9a84e655ed7d66.tar.gz blackbird-op-linux-cd85fc58cd71bf6b89612efafb9a84e655ed7d66.zip | |
taskstats: Use this_cpu_ops
Use this_cpu_inc_return in one place and avoid ugly __raw_get_cpu in
another.
V3->V4:
- Fix off by one.
V4-V4f:
- Use &listener_array
Cc: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Acked-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'kernel/taskstats.c')
| -rw-r--r-- | kernel/taskstats.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/kernel/taskstats.c b/kernel/taskstats.c index c8231fb15708..5f82ccd10392 100644 --- a/kernel/taskstats.c +++ b/kernel/taskstats.c @@ -89,8 +89,7 @@ static int prepare_reply(struct genl_info *info, u8 cmd, struct sk_buff **skbp, return -ENOMEM; if (!info) { - int seq = get_cpu_var(taskstats_seqnum)++; - put_cpu_var(taskstats_seqnum); + int seq = this_cpu_inc_return(taskstats_seqnum) - 1; reply = genlmsg_put(skb, 0, seq, &family, 0, cmd); } else @@ -581,7 +580,7 @@ void taskstats_exit(struct task_struct *tsk, int group_dead) fill_tgid_exit(tsk); } - listeners = &__raw_get_cpu_var(listener_array); + listeners = __this_cpu_ptr(&listener_array); if (list_empty(&listeners->list)) return; |
