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| author | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2009-08-28 00:00:12 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-08-29 15:34:40 +0200 |
| commit | 868489660dabc0c28087cca3dbc1adbbc398c6fe (patch) | |
| tree | cf991ec94ce29bccfef27213107748810c51a1ca /kernel/rcutree.h | |
| parent | rcu: Create rcutree plugins to handle hotplug CPU for multi-level trees (diff) | |
| download | linux-868489660dabc0c28087cca3dbc1adbbc398c6fe.tar.xz linux-868489660dabc0c28087cca3dbc1adbbc398c6fe.zip | |
rcu: Changes from reviews: avoid casts, fix/add warnings, improve comments
Changes suggested by review comments from Josh Triplett and
Mathieu Desnoyers.
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: Josh Triplett <josh@joshtriplett.org>
Acked-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Cc: laijs@cn.fujitsu.com
Cc: dipankar@in.ibm.com
Cc: akpm@linux-foundation.org
Cc: dvhltc@us.ibm.com
Cc: niv@us.ibm.com
Cc: peterz@infradead.org
Cc: rostedt@goodmis.org
LKML-Reference: <20090827220012.GA30525@linux.vnet.ibm.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/rcutree.h')
| -rw-r--r-- | kernel/rcutree.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/rcutree.h b/kernel/rcutree.h index ca560364d8cd..bf8a6f9f134d 100644 --- a/kernel/rcutree.h +++ b/kernel/rcutree.h @@ -81,6 +81,8 @@ struct rcu_dynticks { struct rcu_node { spinlock_t lock; long gpnum; /* Current grace period for this node. */ + /* This will either be equal to or one */ + /* behind the root rcu_node's gpnum. */ unsigned long qsmask; /* CPUs or groups that need to switch in */ /* order for current grace period to proceed.*/ unsigned long qsmaskinit; |