Messages in this thread | | | Date | Wed, 3 Jun 2015 08:29:13 -0700 | From | "Paul E. McKenney" <> | Subject | Re: [PATCH v3 0/9] rcu: Cleanup RCU tree initialization |
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On Wed, Jun 03, 2015 at 08:18:22AM +0200, Alexander Gordeev wrote: > Hello Paul, > > This is 3rd attempt to make RCU tree initialization bit more > clear and optimize memory footprint of data associated with > the tree. > > Changes since v2: > - patch 1 fixed to avoid a panic in case rcu_fanout_leaf > is out of bounds; > > Changes since v1: > - patch 3 fixed to accomodate nr_cpus=1, otherwise rcu_num_lvls > would yield zero, which is wrong; > > The series is against "linux-rcu" tree "rcu/dev" branch > > Thanks! > > Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> > Cc: Steven Rostedt <rostedt@goodmis.org>
Queued for testing, replacing the earlier series, thank you!
Thanx, Paul
> Alexander Gordeev (9): > 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 > > kernel/rcu/tree.c | 109 +++++++++++++++++++++-------------------------- > kernel/rcu/tree.h | 33 +++++++------- > kernel/rcu/tree_plugin.h | 4 +- > 3 files changed, 67 insertions(+), 79 deletions(-) > > -- > 1.8.3.1 >
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