Re: [PATCH 0/3] de_thread() should update ->real_start_time

From: John Stultz
Date: Mon Jun 10 2013 - 16:18:44 EST

On Mon, Jun 10, 2013 at 11:33 AM, Oleg Nesterov <oleg@xxxxxxxxxx> wrote:
> 1/3 is the obvious bugfix, 2 and 3 are minor cleanups
> I am wondering, can't we kill task->real_start_time? What if we
> simply change copy_process
> - do_posix_clock_monotonic_gettime(&p->start_time);
> + get_monotonic_boottime(&p->start_time);

An additional thought: task_struct covers quite a bit of stuff, so I
don't know if this would be too useful, but we could further change
start_time to be a ktime_t, allowing possible additional space savings
in the task_struct on 64bit systems.

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at
Please read the FAQ at