From owner-svn-src-head@freebsd.org  Thu Jul  5 16:40:21 2018
Return-Path: <owner-svn-src-head@freebsd.org>
Delivered-To: svn-src-head@mailman.ysv.freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1])
 by mailman.ysv.freebsd.org (Postfix) with ESMTP id 528FD103BBAB;
 Thu,  5 Jul 2018 16:40:21 +0000 (UTC) (envelope-from kib@FreeBSD.org)
Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org
 [IPv6:2610:1c1:1:606c::19:3])
 (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
 (Client CN "mxrelay.nyi.freebsd.org",
 Issuer "Let's Encrypt Authority X3" (verified OK))
 by mx1.freebsd.org (Postfix) with ESMTPS id 04BE6873EE;
 Thu,  5 Jul 2018 16:40:21 +0000 (UTC) (envelope-from kib@FreeBSD.org)
Received: from repo.freebsd.org (repo.freebsd.org
 [IPv6:2610:1c1:1:6068::e6a:0])
 (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
 (Client did not present a certificate)
 by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id D9F6B1C793;
 Thu,  5 Jul 2018 16:40:20 +0000 (UTC) (envelope-from kib@FreeBSD.org)
Received: from repo.freebsd.org ([127.0.1.37])
 by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id w65GeKer044764;
 Thu, 5 Jul 2018 16:40:20 GMT (envelope-from kib@FreeBSD.org)
Received: (from kib@localhost)
 by repo.freebsd.org (8.15.2/8.15.2/Submit) id w65GeKP3044763;
 Thu, 5 Jul 2018 16:40:20 GMT (envelope-from kib@FreeBSD.org)
Message-Id: <201807051640.w65GeKP3044763@repo.freebsd.org>
X-Authentication-Warning: repo.freebsd.org: kib set sender to kib@FreeBSD.org
 using -f
From: Konstantin Belousov <kib@FreeBSD.org>
Date: Thu, 5 Jul 2018 16:40:20 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
 svn-src-head@freebsd.org
Subject: svn commit: r336000 - head/sys/i386/i386
X-SVN-Group: head
X-SVN-Commit-Author: kib
X-SVN-Commit-Paths: head/sys/i386/i386
X-SVN-Commit-Revision: 336000
X-SVN-Commit-Repository: base
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
X-BeenThere: svn-src-head@freebsd.org
X-Mailman-Version: 2.1.27
Precedence: list
List-Id: SVN commit messages for the src tree for head/-current
 <svn-src-head.freebsd.org>
List-Unsubscribe: <https://lists.freebsd.org/mailman/options/svn-src-head>,
 <mailto:svn-src-head-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/svn-src-head/>
List-Post: <mailto:svn-src-head@freebsd.org>
List-Help: <mailto:svn-src-head-request@freebsd.org?subject=help>
List-Subscribe: <https://lists.freebsd.org/mailman/listinfo/svn-src-head>,
 <mailto:svn-src-head-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Thu, 05 Jul 2018 16:40:21 -0000

Author: kib
Date: Thu Jul  5 16:40:20 2018
New Revision: 336000
URL: https://svnweb.freebsd.org/changeset/base/336000

Log:
  Use vm_page_unhold_pages() instead of manually rolling unoptimized
  version of it.
  
  Noted by:	alc
  Sponsored by:	The FreeBSD Foundation

Modified:
  head/sys/i386/i386/copyout.c

Modified: head/sys/i386/i386/copyout.c
==============================================================================
--- head/sys/i386/i386/copyout.c	Thu Jul  5 16:38:54 2018	(r335999)
+++ head/sys/i386/i386/copyout.c	Thu Jul  5 16:40:20 2018	(r336000)
@@ -140,11 +140,7 @@ cp_slow0(vm_offset_t uva, size_t len, bool write,
 		sx_xunlock(&pc->pc_copyout_slock);
 	else
 		mtx_unlock(&pc->pc_copyout_mlock);
-	for (i = 0; i < plen; i++) {
-		vm_page_lock(m[i]);
-		vm_page_unhold(m[i]);
-		vm_page_unlock(m[i]);
-	}
+	vm_page_unhold_pages(m, plen);
 	return (error);
 }