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author | Paul E. McKenney <paul.mckenney@linaro.org> | 2010-11-29 21:56:39 -0800 |
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committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2011-05-05 23:16:54 -0700 |
commit | 12f5f524cafef3ab689929b118f2dfb8bf2be321 (patch) | |
tree | 639473556b6edf9b79e0a18d5ba58f80eea76519 /kernel/rcutree.c | |
parent | e59fb3120becfb36b22ddb8bd27d065d3cdca499 (diff) | |
download | kernel_samsung_aries-12f5f524cafef3ab689929b118f2dfb8bf2be321.zip kernel_samsung_aries-12f5f524cafef3ab689929b118f2dfb8bf2be321.tar.gz kernel_samsung_aries-12f5f524cafef3ab689929b118f2dfb8bf2be321.tar.bz2 |
rcu: merge TREE_PREEPT_RCU blocked_tasks[] lists
Combine the current TREE_PREEMPT_RCU ->blocked_tasks[] lists in the
rcu_node structure into a single ->blkd_tasks list with ->gp_tasks
and ->exp_tasks tail pointers. This is in preparation for RCU priority
boosting, which will add a third dimension to the combinatorial explosion
in the ->blocked_tasks[] case, but simply a third pointer in the new
->blkd_tasks case.
Also update documentation to reflect blocked_tasks[] merge
Signed-off-by: Paul E. McKenney <paul.mckenney@linaro.org>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Diffstat (limited to 'kernel/rcutree.c')
-rw-r--r-- | kernel/rcutree.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/kernel/rcutree.c b/kernel/rcutree.c index 90104a1..0ac1cc0 100644 --- a/kernel/rcutree.c +++ b/kernel/rcutree.c @@ -1901,10 +1901,7 @@ static void __init rcu_init_one(struct rcu_state *rsp, j / rsp->levelspread[i - 1]; } rnp->level = i; - INIT_LIST_HEAD(&rnp->blocked_tasks[0]); - INIT_LIST_HEAD(&rnp->blocked_tasks[1]); - INIT_LIST_HEAD(&rnp->blocked_tasks[2]); - INIT_LIST_HEAD(&rnp->blocked_tasks[3]); + INIT_LIST_HEAD(&rnp->blkd_tasks); } } |