Re: [PATCH 04/13] tracing: Rename kvfree_rcu() to kvfree_rcu_mightsleep()

[Paul E. McKenney]

On Thu, Mar 16, 2023 at 08:14:24AM -0400, Steven Rostedt wrote:
> On Thu, 16 Mar 2023 00:16:39 -0400
> Joel Fernandes <joel@xxxxxxxxxxxxxxxxx> wrote:
> 
> > Indeed, and one could argue that "headless" sounds like something out
> > of a horror movie ;-). Which of course does match the situation when
> > the API is applied incorrectly.
> 
> Well, "headless" is a common term in IT.
> 
>    https://en.wikipedia.org/wiki/Headless_software

Indeed it is.  But RCU is incapable of headlessness, so in the
kvfree_rcu_mightsleep() case, the rcu_head is dynamically allocated.

> We could be specific to what horror movie/story, and call it:
> 
>   kvfree_rcu_sleepy_hollow()
> 
> Which will imply both headless *and* might_sleep!

Heh!  That one is almost bad enough to be good!  Almost!  ;-)

							Thanx, Paul