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author | Alexander Gordeev <agordeev@redhat.com> | 2015-06-03 08:18:31 +0200 |
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committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2015-07-15 14:45:21 -0700 |
commit | 426216970e0458c1f507860f4837cbde66a72263 (patch) | |
tree | ab453e5f8b0e004af6adf251cacc40617a10383c /kernel/rcu/tree_plugin.h | |
parent | cb007102398edd06ffc4488bf841c2e10f14d2e7 (diff) | |
download | linux-stable-426216970e0458c1f507860f4837cbde66a72263.tar.gz linux-stable-426216970e0458c1f507860f4837cbde66a72263.tar.bz2 linux-stable-426216970e0458c1f507860f4837cbde66a72263.zip |
rcu: Simplify arithmetic to calculate number of RCU nodes
This update makes arithmetic to calculate number of RCU nodes
more straight and easy to read.
Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Diffstat (limited to 'kernel/rcu/tree_plugin.h')
-rw-r--r-- | kernel/rcu/tree_plugin.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/rcu/tree_plugin.h b/kernel/rcu/tree_plugin.h index 013485fb2b06..5dac0a10a985 100644 --- a/kernel/rcu/tree_plugin.h +++ b/kernel/rcu/tree_plugin.h @@ -84,8 +84,8 @@ static void __init rcu_bootup_announce_oddness(void) pr_info("\tRCU torture testing starts during boot.\n"); if (IS_ENABLED(CONFIG_RCU_CPU_STALL_INFO)) pr_info("\tAdditional per-CPU info printed with stalls.\n"); - if (NUM_RCU_LVL_4 != 0) - pr_info("\tFour-level hierarchy is enabled.\n"); + if (RCU_NUM_LVLS >= 4) + pr_info("\tFour(or more)-level hierarchy is enabled.\n"); if (RCU_FANOUT_LEAF != 16) pr_info("\tBuild-time adjustment of leaf fanout to %d.\n", RCU_FANOUT_LEAF); |