From patchwork Wed Jun 8 19:30:04 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: 1863 Return-Path: Delivered-To: unknown Received: from imap.gmail.com (74.125.47.109) by localhost6.localdomain6 with IMAP4-SSL; 14 Jun 2011 16:46:07 -0000 Delivered-To: patches@linaro.org Received: by 10.52.181.10 with SMTP id ds10cs199947vdc; Wed, 8 Jun 2011 12:30:30 -0700 (PDT) Received: by 10.236.76.69 with SMTP id a45mr3061187yhe.56.1307561430106; Wed, 08 Jun 2011 12:30:30 -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 o5si5014589yhk.62.2011.06.08.12.30.29 (version=TLSv1/SSLv3 cipher=OTHER); Wed, 08 Jun 2011 12:30:30 -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 d01relay06.pok.ibm.com (d01relay06.pok.ibm.com [9.56.227.116]) by e4.ny.us.ibm.com (8.14.4/8.13.1) with ESMTP id p58J96Bi030890 for ; Wed, 8 Jun 2011 15:09:06 -0400 Received: from d01av01.pok.ibm.com (d01av01.pok.ibm.com [9.56.224.215]) by d01relay06.pok.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id p58JURiS1364088 for ; Wed, 8 Jun 2011 15:30:27 -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 p58JUFfU015895 for ; Wed, 8 Jun 2011 15:30:24 -0400 Received: from paulmck-ThinkPad-W500 (paulmck-ThinkPad-W500.beaverton.ibm.com [9.47.24.65]) by d01av01.pok.ibm.com (8.14.4/8.13.1/NCO v10.0 AVin) with ESMTP id p58JUBHx015581; Wed, 8 Jun 2011 15:30:14 -0400 Received: by paulmck-ThinkPad-W500 (Postfix, from userid 1000) id 0F29B13F807; Wed, 8 Jun 2011 12:30:10 -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 25/28] vmalloc, rcu: Convert call_rcu(rcu_free_vb) to kfree_rcu() Date: Wed, 8 Jun 2011 12:30:04 -0700 Message-Id: <1307561407-13809-25-git-send-email-paulmck@linux.vnet.ibm.com> X-Mailer: git-send-email 1.7.3.2 In-Reply-To: <20110608192943.GA13211@linux.vnet.ibm.com> References: <20110608192943.GA13211@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 Reviewed-by: Josh Triplett --- 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)