Re: [PATCH v2 09/16] rcu/tree: Maintain separate array for vmalloc ptrs

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On Thu, Jun 18, 2020 at 11:17:09PM +0200, Uladzislau Rezki wrote:
> > > <snip>
> > >     trace_rcu_invoke_kfree_bulk_callback(
> > >         rcu_state.name, bkvhead[i]->nr_records,
> > >             bkvhead[i]->records);
> > >     if (i == 0)
> > >         kfree_bulk(bkvhead[i]->nr_records,
> > >             bkvhead[i]->records);
> > >     else
> > >         vfree_bulk(bkvhead[i]->nr_records,
> > >             bkvhead[i]->records);
> > > <snip>
> > > 
> > > Matthew, what is your thought?
> > 
> > That was my thinking too.  If we had a kvfree_bulk(), I would expect it to
> > handle a mixture of vfree and kfree, but you've segregated them already.
> > So I think this is better.
> >
> Yes, the segregation is done. Having vfree_bulk() is enough then.
> We are on the same page :)

Very good.  When does kfree_rcu() and friends move out of kernel/rcu?

							Thanx, Paul



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