[PATCH v5 12/18] cred: Move call_rcu() to call_rcu_lazy()

Joel Fernandes (Google) posted 18 patches 3 years, 7 months ago
[PATCH v5 12/18] cred: Move call_rcu() to call_rcu_lazy()
Posted by Joel Fernandes (Google) 3 years, 7 months ago
This is required to prevent callbacks triggering RCU machinery too
quickly and too often, which adds more power to the system.

Signed-off-by: Joel Fernandes (Google) <joel@joelfernandes.org>
---
 kernel/cred.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/cred.c b/kernel/cred.c
index e10c15f51c1f..c7cb2e3ac73a 100644
--- a/kernel/cred.c
+++ b/kernel/cred.c
@@ -150,7 +150,7 @@ void __put_cred(struct cred *cred)
 	if (cred->non_rcu)
 		put_cred_rcu(&cred->rcu);
 	else
-		call_rcu(&cred->rcu, put_cred_rcu);
+		call_rcu_lazy(&cred->rcu, put_cred_rcu);
 }
 EXPORT_SYMBOL(__put_cred);
 
-- 
2.37.2.789.g6183377224-goog