From: Nadia Derbey <Nadia.Derbey@bull.net>

This is a trivial patch that removes unneeded calls to INIT_RCU_HEAD() in the
idr api code.

Signed-off-by: Nadia Derbey <Nadia.Derbey@bull.net>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Manfred Spraul <manfred@colorfullife.com>
Cc: Jim Houston <jim.houston@comcast.net>
Cc: Pierre Peiffer <peifferp@gmail.com>
Cc: Rik van Riel <riel@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 lib/idr.c |    3 ---
 1 file changed, 3 deletions(-)

diff -puN lib/idr.c~idr-make-idr_get_new-rcu-safe-fix lib/idr.c
--- a/lib/idr.c~idr-make-idr_get_new-rcu-safe-fix
+++ a/lib/idr.c
@@ -172,7 +172,6 @@ static int sub_alloc(struct idr *idp, in
 			new = get_from_free_list(idp);
 			if (!new)
 				return -1;
-			INIT_RCU_HEAD(&new->rcu_head);
 			rcu_assign_pointer(p->ary[m], new);
 			p->count++;
 		}
@@ -198,7 +197,6 @@ build_up:
 	if (unlikely(!p)) {
 		if (!(p = get_from_free_list(idp)))
 			return -1;
-		INIT_RCU_HEAD(&p->rcu_head);
 		layers = 1;
 	}
 	/*
@@ -226,7 +224,6 @@ build_up:
 		}
 		new->ary[0] = p;
 		new->count = 1;
-		INIT_RCU_HEAD(&new->rcu_head);
 		if (p->bitmap == IDR_FULL)
 			__set_bit(0, &new->bitmap);
 		p = new;
_