From: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Date: Tue, 18 May 2010 07:56:03 +0000 (+0000)
Subject: powerpc: Remove all rcu head initializations
X-Git-Tag: upstream/snapshot3+hdmi~13775^2~33
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=a591f6b56d6fbd7d1951e352fe5b0acf6b91e497;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

powerpc: Remove all rcu head initializations

Remove all rcu head inits. We don't care about the RCU head state before
passing it to call_rcu() anyway. Only leave the "on_stack" variants so
debugobjects can keep track of objects on stack.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---

diff --git a/arch/powerpc/mm/pgtable.c b/arch/powerpc/mm/pgtable.c
index ebc2f38..2c7e801 100644
--- a/arch/powerpc/mm/pgtable.c
+++ b/arch/powerpc/mm/pgtable.c
@@ -92,7 +92,6 @@ static void pte_free_rcu_callback(struct rcu_head *head)
 
 static void pte_free_submit(struct pte_freelist_batch *batch)
 {
-	INIT_RCU_HEAD(&batch->rcu);
 	call_rcu(&batch->rcu, pte_free_rcu_callback);
 }