SLAB_TYPESAFE_BY_RCU without constructors (was Re: [PATCH v4 13/17] khwasan: add hooks implementation)

Eric Dumazet edumazet at google.com
Tue Jul 31 17:41:54 UTC 2018


On Tue, Jul 31, 2018 at 10:36 AM Christopher Lameter <cl at 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


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