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[v2,08/14] rcuscale: Rename kfree_rcu() to kfree_rcu_mightsleep()

Message ID 20230315181902.4177819-8-joel@joelfernandes.org
State New
Headers
Series [v2,01/14] drbd: Rename kvfree_rcu() to kvfree_rcu_mightsleep() |

Commit Message

Joel Fernandes March 15, 2023, 6:18 p.m. UTC 
  From: "Uladzislau Rezki (Sony)" <urezki@gmail.com>

The kfree_rcu() and kvfree_rcu() macros' single-argument forms are
deprecated.  Therefore switch to the new kfree_rcu_mightsleep() and
kvfree_rcu_mightsleep() variants. The goal is to avoid accidental use
of the single-argument forms, which can introduce functionality bugs in
atomic contexts and latency bugs in non-atomic contexts.

Signed-off-by: Uladzislau Rezki (Sony) <urezki@gmail.com>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Signed-off-by: Joel Fernandes (Google) <joel@joelfernandes.org>
---
 kernel/rcu/rcuscale.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/kernel/rcu/rcuscale.c b/kernel/rcu/rcuscale.c
index 91fb5905a008..98b75995b680 100644
--- a/kernel/rcu/rcuscale.c
+++ b/kernel/rcu/rcuscale.c
@@ -716,7 +716,7 @@  kfree_scale_thread(void *arg)
 			// is tested.
 			if ((kfree_rcu_test_single && !kfree_rcu_test_double) ||
 					(kfree_rcu_test_both && torture_random(&tr) & 0x800))
-				kfree_rcu(alloc_ptr);
+				kfree_rcu_mightsleep(alloc_ptr);
 			else
 				kfree_rcu(alloc_ptr, rh);
 		}