X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=include%2Furcu%2Fstatic%2Furcu-memb.h;fp=include%2Furcu%2Fstatic%2Furcu-memb.h;h=ccf3e7c11555f27c250e11a072ce97c2e2633875;hb=26dc986ad3b7f6506eec8544e2f9bf1f80731212;hp=a64efee3f9019b0bc37dbcddebc285c4b5b0fb5b;hpb=6ca0332efb21e424d121d68ca7a522b5f6c1a44b;p=urcu.git

diff --git a/include/urcu/static/urcu-memb.h b/include/urcu/static/urcu-memb.h
index a64efee..ccf3e7c 100644
--- a/include/urcu/static/urcu-memb.h
+++ b/include/urcu/static/urcu-memb.h
@@ -86,9 +86,9 @@ extern DECLARE_URCU_TLS(struct urcu_reader, urcu_memb_reader);
 
 /*
  * Helper for _rcu_read_lock().  The format of urcu_memb_gp.ctr (as well as
- * the per-thread rcu_reader.ctr) has the upper bits containing a count of
- * _rcu_read_lock() nesting, and a lower-order bit that contains either zero
- * or URCU_GP_CTR_PHASE.  The smp_mb_slave() ensures that the accesses in
+ * the per-thread rcu_reader.ctr) has the lower-order bits containing a count of
+ * _rcu_read_lock() nesting, and a single high-order URCU_BP_GP_CTR_PHASE bit
+ * that contains either zero or one.  The smp_mb_slave() ensures that the accesses in
  * _rcu_read_lock() happen before the subsequent read-side critical section.
  */
 static inline void _urcu_memb_read_lock_update(unsigned long tmp)