Re: [PATCH] softlockup: remove timestamp checking from hung_task

[Ingo Molnar]

* Mandeep Singh Baines <msb@xxxxxxxxxx> wrote:

> Patch against tip/core/softlockup
> 
> ---
> Impact: saves sizeof(long) bytes per task_struct
> 
> By guaranteeing that sysctl_hung_task_timeout_secs have elapsed between
> tasklist scans we can avoid using timestamps.
> 
> Signed-off-by: Mandeep Singh Baines <msb@xxxxxxxxxx>
> ---
>  include/linux/sched.h |    1 -
>  kernel/fork.c         |    8 +++-----
>  kernel/hung_task.c    |   48 +++++++++---------------------------------------
>  3 files changed, 12 insertions(+), 45 deletions(-)

Nice simplification!

Applied to tip/core/softlockup, thanks Mandeep.

(i fixed the one scripts/checkpatch.pl error that your patch triggered)

	Ingo
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