The patch titled
rcu classic: update qlen when cpu offline
has been removed from the -mm tree. Its filename was
rcu-classic-update-qlen-when-cpu-offline.patch
This patch was dropped because it was merged into mainline or a subsystem tree
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: rcu classic: update qlen when cpu offline
From: Lai Jiangshan <laijs@xxxxxxxxxxxxxx>
When callbacks are moved from offline cpu to this cpu, the qlen field of
this rdp should be updated.
Signed-off-by: Lai Jiangshan <laijs@xxxxxxxxxxxxxx>
Reviewed-by: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/rcuclassic.c | 4 ++++
1 file changed, 4 insertions(+)
diff -puN kernel/rcuclassic.c~rcu-classic-update-qlen-when-cpu-offline kernel/rcuclassic.c
--- a/kernel/rcuclassic.c~rcu-classic-update-qlen-when-cpu-offline
+++ a/kernel/rcuclassic.c
@@ -373,6 +373,10 @@ static void __rcu_offline_cpu(struct rcu
rcu_move_batch(this_rdp, rdp->donelist, rdp->donetail);
rcu_move_batch(this_rdp, rdp->curlist, rdp->curtail);
rcu_move_batch(this_rdp, rdp->nxtlist, rdp->nxttail);
+
+ local_irq_disable();
+ this_rdp->qlen += rdp->qlen;
+ local_irq_enable();
}
static void rcu_offline_cpu(int cpu)
_
Patches currently in -mm which might be from laijs@xxxxxxxxxxxxxx are
origin.patch
cpuset-dont-pass-empty-cpumasks-to-partition_sched_domains.patch
cpuset-code-cleanup-for-started_after.patch
cpuset-two-minor-code-cleanups.patch
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