From patchwork Sun May 1 13:22:06 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Paul E. McKenney" X-Patchwork-Id: 1297 Return-Path: Delivered-To: unknown Received: from imap.gmail.com (74.125.159.109) by localhost6.localdomain6 with IMAP4-SSL; 08 Jun 2011 14:50:46 -0000 Delivered-To: patches@linaro.org Received: by 10.224.2.73 with SMTP id 9cs230910qai; Sun, 1 May 2011 06:22:36 -0700 (PDT) Received: by 10.236.189.2 with SMTP id b2mr8612064yhn.388.1304256155986; Sun, 01 May 2011 06:22:35 -0700 (PDT) Received: from e4.ny.us.ibm.com (e4.ny.us.ibm.com [32.97.182.144]) by mx.google.com with ESMTPS id h63si14546271yhm.107.2011.05.01.06.22.35 (version=TLSv1/SSLv3 cipher=OTHER); Sun, 01 May 2011 06:22:35 -0700 (PDT) Received-SPF: pass (google.com: domain of paulmck@linux.vnet.ibm.com designates 32.97.182.144 as permitted sender) client-ip=32.97.182.144; Authentication-Results: mx.google.com; spf=pass (google.com: domain of paulmck@linux.vnet.ibm.com designates 32.97.182.144 as permitted sender) smtp.mail=paulmck@linux.vnet.ibm.com Received: from d01relay03.pok.ibm.com (d01relay03.pok.ibm.com [9.56.227.235]) by e4.ny.us.ibm.com (8.14.4/8.13.1) with ESMTP id p41D27c8008154 for ; Sun, 1 May 2011 09:02:07 -0400 Received: from d01av01.pok.ibm.com (d01av01.pok.ibm.com [9.56.224.215]) by d01relay03.pok.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id p41DMZcS096976 for ; Sun, 1 May 2011 09:22:35 -0400 Received: from d01av01.pok.ibm.com (loopback [127.0.0.1]) by d01av01.pok.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id p41DMRYh021153 for ; Sun, 1 May 2011 09:22:35 -0400 Received: from paulmck-ThinkPad-W500 (sig-9-65-224-93.mts.ibm.com [9.65.224.93]) by d01av01.pok.ibm.com (8.14.4/8.13.1/NCO v10.0 AVin) with ESMTP id p41DMDdd019190; Sun, 1 May 2011 09:22:20 -0400 Received: by paulmck-ThinkPad-W500 (Postfix, from userid 1000) id CA20913F857; Sun, 1 May 2011 06:22:09 -0700 (PDT) From: "Paul E. McKenney" To: linux-kernel@vger.kernel.org Cc: mingo@elte.hu, laijs@cn.fujitsu.com, dipankar@in.ibm.com, akpm@linux-foundation.org, mathieu.desnoyers@polymtl.ca, josh@joshtriplett.org, niv@us.ibm.com, tglx@linutronix.de, peterz@infradead.org, rostedt@goodmis.org, Valdis.Kletnieks@vt.edu, dhowells@redhat.com, eric.dumazet@gmail.com, darren@dvhart.com, patches@linaro.org, "Paul E. McKenney" , Namhyung Kim , David Rientjes Subject: [PATCH tip/core/rcu 86/86] vmalloc, rcu: convert call_rcu(rcu_free_vb) to kfree_rcu() Date: Sun, 1 May 2011 06:22:06 -0700 Message-Id: <1304256126-26015-86-git-send-email-paulmck@linux.vnet.ibm.com> X-Mailer: git-send-email 1.7.3.2 In-Reply-To: <20110501132142.GA25494@linux.vnet.ibm.com> References: <20110501132142.GA25494@linux.vnet.ibm.com> From: Lai Jiangshan The rcu callback rcu_free_vb() just calls a kfree(), so we use kfree_rcu() instead of the call_rcu(rcu_free_vb). Signed-off-by: Lai Jiangshan Signed-off-by: Paul E. McKenney Cc: Andrew Morton Cc: Namhyung Kim Cc: David Rientjes --- mm/vmalloc.c | 9 +-------- 1 files changed, 1 insertions(+), 8 deletions(-) diff --git a/mm/vmalloc.c b/mm/vmalloc.c index 73f56c8..6540116 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -830,13 +830,6 @@ static struct vmap_block *new_vmap_block(gfp_t gfp_mask) return vb; } -static void rcu_free_vb(struct rcu_head *head) -{ - struct vmap_block *vb = container_of(head, struct vmap_block, rcu_head); - - kfree(vb); -} - static void free_vmap_block(struct vmap_block *vb) { struct vmap_block *tmp; @@ -849,7 +842,7 @@ static void free_vmap_block(struct vmap_block *vb) BUG_ON(tmp != vb); free_vmap_area_noflush(vb->va); - call_rcu(&vb->rcu_head, rcu_free_vb); + kfree_rcu(vb, rcu_head); } static void purge_fragmented_blocks(int cpu)