[PATCH 00/10] rcu: Cleanup RCU tree initialization

[Alexander Gordeev]

Hi Paul,

Here is cleanup of RCU tree initialization rebased on linux-rcu rcu/next
repo, as you requested. Please, note an extra patch #10 that was not
present in the first post.

The series successfully passes kernel build test with CONFIG_RCU_FANOUT
and CONFIG_RCU_FANOUT_LEAF equal to 5.

Cc: "Paul E. McKenney" <paulmck@xxxxxxxxxxxxxxxxxx>


Alexander Gordeev (10):
  rcu: Panic if RCU tree can not accommodate all CPUs
  rcu: Remove superfluous local variable in rcu_init_geometry()
  rcu: Cleanup rcu_init_geometry() code and arithmetics
  rcu: Simplify rcu_init_geometry() capacity arithmetics
  rcu: Limit rcu_state::levelcnt[] to RCU_NUM_LVLS items
  rcu: Limit rcu_capacity[] size to RCU_NUM_LVLS items
  rcu: Remove unnecessary fields from rcu_state structure
  rcu: Limit count of static data to the number of RCU levels
  rcu: Simplify arithmetic to calculate number of RCU nodes
  rcu: Remove unnecessary grpnum field from rcu_node structure

 kernel/rcu/tree.c        | 102 ++++++++++++++++++++---------------------------
 kernel/rcu/tree.h        |  35 ++++++++--------
 kernel/rcu/tree_plugin.h |   4 +-
 3 files changed, 63 insertions(+), 78 deletions(-)

-- 
1.8.3.1

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