Re: [PATCH] RCU: Reduce size of rcu_head 1 of 2

From: Rusty Russell (rusty@rustcorp.com.au)
Date: Fri Aug 01 2003 - 16:16:07 EST


In message <20030731142545.7bcb50fb.akpm@osdl.org> you write:
> Dipankar Sarma <dipankar@in.ibm.com> wrote:
> >
> > The linked-list change is internal enough for a future backport from
> > 2.7. The only concern here is the change in call_rcu() API. What would
> > be a good way to manage that ?
>
> Oh I'd be okay with merging a change like this into (say) 2.6.3-pre1,
> without it having had a run in 2.7. We need to be able to do things like
> that.

No, Andrew, no.

        Gratuitous change to API during stable series BAD BAD BAD. If
you drop this it stays as is until 2.8. The extra arg in
unneccessary, but breaking it is worse.

Rusty.

--
  Anyone who quotes me in their sig is an idiot. -- Rusty Russell.
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