Messages in this thread | | | From | Dmitry Vyukov <> | Date | Tue, 31 Jul 2018 19:51:09 +0200 | Subject | Re: SLAB_TYPESAFE_BY_RCU without constructors (was Re: [PATCH v4 13/17] khwasan: add hooks implementation) |
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On Tue, Jul 31, 2018 at 7:41 PM, Eric Dumazet <edumazet@google.com> wrote: > On Tue, Jul 31, 2018 at 10:36 AM Christopher Lameter <cl@linux.com> wrote: > >> >> If there is refcounting going on then why use SLAB_TYPESAFE_BY_RCU? > > To allow fast reuse of objects, without going through call_rcu() and > reducing cache efficiency. > > I believe this is mentioned in Documentation/RCU/rculist_nulls.txt
Is it OK to overwrite ct->status? It seems that are some read and writes to it right after atomic_inc_not_zero.
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