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Date: Thu, 26 Jun 2008 10:06:43 +0800 From: Lai Jiangshan <laijs@...fujitsu.com> To: Andrew Morton <akpm@...ux-foundation.org>, "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com> CC: Linux Kernel Mailing List <linux-kernel@...r.kernel.org> Subject: [PATCH]rcu classic: update qlen when cpu offline 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@...fujitsu.com> --- diff --git a/kernel/rcuclassic.c b/kernel/rcuclassic.c index f4ffbd0..42aead6 100644 --- a/kernel/rcuclassic.c +++ b/kernel/rcuclassic.c @@ -373,6 +373,10 @@ static void __rcu_offline_cpu(struct rcu_data *this_rdp, 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) -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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