31 Jul
2018
31 Jul
'18
5:51 p.m.
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.