From owner-svn-src-user@FreeBSD.ORG Sun Feb 24 16:10:43 2013
Return-Path: <owner-svn-src-user@FreeBSD.ORG>
Delivered-To: svn-src-user@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org
[IPv6:2001:1900:2254:206a::19:1])
by hub.freebsd.org (Postfix) with ESMTP id CB043A3C;
Sun, 24 Feb 2013 16:10:43 +0000 (UTC)
(envelope-from attilio@FreeBSD.org)
Received: from svn.freebsd.org (svn.freebsd.org
[IPv6:2001:1900:2254:2068::e6a:0])
by mx1.freebsd.org (Postfix) with ESMTP id B3C2C826;
Sun, 24 Feb 2013 16:10:43 +0000 (UTC)
Received: from svn.freebsd.org ([127.0.1.70])
by svn.freebsd.org (8.14.5/8.14.5) with ESMTP id r1OGAhY4097036;
Sun, 24 Feb 2013 16:10:43 GMT (envelope-from attilio@svn.freebsd.org)
Received: (from attilio@localhost)
by svn.freebsd.org (8.14.5/8.14.5/Submit) id r1OGAhsR097035;
Sun, 24 Feb 2013 16:10:43 GMT (envelope-from attilio@svn.freebsd.org)
Message-Id: <201302241610.r1OGAhsR097035@svn.freebsd.org>
From: Attilio Rao <attilio@FreeBSD.org>
Date: Sun, 24 Feb 2013 16:10:43 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-user@freebsd.org
Subject: svn commit: r247223 - user/attilio/vmc-playground/sys/vm
X-SVN-Group: user
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
X-BeenThere: svn-src-user@freebsd.org
X-Mailman-Version: 2.1.14
Precedence: list
List-Id: "SVN commit messages for the experimental " user"
src tree" <svn-src-user.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/svn-src-user>,
<mailto:svn-src-user-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/svn-src-user>
List-Post: <mailto:svn-src-user@freebsd.org>
List-Help: <mailto:svn-src-user-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-user>,
<mailto:svn-src-user-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Sun, 24 Feb 2013 16:10:43 -0000
Author: attilio
Date: Sun Feb 24 16:10:43 2013
New Revision: 247223
URL: http://svnweb.freebsd.org/changeset/base/247223
Log:
Do not call vm_radix_lookup_ge() in the reservation system unless
it is absolutely necessary.
Sponsored by: EMC / Isilon storage division
Submitted by: alc
Modified:
user/attilio/vmc-playground/sys/vm/vm_reserv.c
Modified: user/attilio/vmc-playground/sys/vm/vm_reserv.c
==============================================================================
--- user/attilio/vmc-playground/sys/vm/vm_reserv.c Sun Feb 24 16:08:37 2013 (r247222)
+++ user/attilio/vmc-playground/sys/vm/vm_reserv.c Sun Feb 24 16:10:43 2013 (r247223)
@@ -349,8 +349,9 @@ vm_reserv_alloc_contig(vm_object_t objec
rv = vm_reserv_from_page(mpred);
if (rv->object == object && vm_reserv_has_pindex(rv, pindex))
goto found;
- }
- msucc = vm_radix_lookup_ge(&object->rtree, pindex);
+ msucc = TAILQ_NEXT(mpred, listq);
+ } else
+ msucc = vm_radix_lookup_ge(&object->rtree, pindex);
if (msucc != NULL) {
KASSERT(msucc->pindex > pindex,
("vm_reserv_alloc_page: pindex already allocated"));
@@ -503,8 +504,9 @@ vm_reserv_alloc_page(vm_object_t object,
rv = vm_reserv_from_page(mpred);
if (rv->object == object && vm_reserv_has_pindex(rv, pindex))
goto found;
- }
- msucc = vm_radix_lookup_ge(&object->rtree, pindex);
+ msucc = TAILQ_NEXT(mpred, listq);
+ } else
+ msucc = vm_radix_lookup_ge(&object->rtree, pindex);
if (msucc != NULL) {
KASSERT(msucc->pindex > pindex,
("vm_reserv_alloc_page: pindex already allocated"));