On Wed, 30 Sep 2015, Ingo Molnar wrote:
> diff --git a/fs/proc/array.c b/fs/proc/array.c
> index f60f0121e331..99082730b2ac 100644
> --- a/fs/proc/array.c
> +++ b/fs/proc/array.c
> @@ -507,7 +507,7 @@ static int do_task_stat(struct seq_file *m, struct
> pid_namespace *ns,
> seq_put_decimal_ull(m, ' ', task->blocked.sig[0] & 0x7fffffffUL);
> seq_put_decimal_ull(m, ' ', sigign.sig[0] & 0x7fffffffUL);
> seq_put_decimal_ull(m, ' ', sigcatch.sig[0] & 0x7fffffffUL);
> - seq_put_decimal_ull(m, ' ', wchan);
> + seq_puts(m, " 0"); /* Used to be numeric wchan - replaced by
> /proc/PID/wchan */
That should get rid of all wchan usage in do_task_stat()
Thanks,
tglx
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