Diffstat (limited to 'Documentation/RCU/whatisRCU.txt')
1 files changed, 4 insertions, 4 deletions
diff --git a/Documentation/RCU/whatisRCU.txt b/Documentation/RCU/whatisRCU.txt
index 97ded2432c59..e41a7fecf0d3 100644
@@ -136,10 +136,10 @@ rcu_read_lock()
Used by a reader to inform the reclaimer that the reader is
entering an RCU read-side critical section. It is illegal
to block while in an RCU read-side critical section, though
- kernels built with CONFIG_PREEMPT_RCU can preempt RCU read-side
- critical sections. Any RCU-protected data structure accessed
- during an RCU read-side critical section is guaranteed to remain
- unreclaimed for the full duration of that critical section.
+ kernels built with CONFIG_TREE_PREEMPT_RCU can preempt RCU
+ read-side critical sections. Any RCU-protected data structure
+ accessed during an RCU read-side critical section is guaranteed to
+ remain unreclaimed for the full duration of that critical section.
Reference counts may be used in conjunction with RCU to maintain
longer-term references to data structures.