Re: [PATCH 0/8] kernel/fork: Move thread stack free otu of the scheduler path.

[Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx>]

On 2021-11-18 15:38:50 [+0100], To linux-kernel@xxxxxxxxxxxxxxx wrote:
> + tglx.
> 
> It starts at
>    https://lore.kernel.org/all/20211118143452.136421-1-bigeasy@xxxxxxxxxxxxx/
> 
> On 2021-11-18 15:34:44 [+0100], To linux-kernel@xxxxxxxxxxxxxxx wrote:
> > 
> > This is a follup-up on the patch
> >     sched: Delay task stack freeing on RT 
> >     https://lkml.kernel.org/r/20210928122411.593486363@xxxxxxxxxxxxx
> > 
> > It addresses the review feedback:
> > - Decouple stack accounting from its free invocation. The accounting
> >   happens in do_exit(), the final free call happens later.
> > 
> > - Add put_task_stack_sched() to finish_task_switch(). Here the VMAP
> >   stack is cached only. If it fails, or in the !VMAP case then the final
> >   free happens in delayed_put_task_struct(). This is also an oportunity
> >   to cache the stack.

ping ;)

Sebastian