From owner-svn-src-user@FreeBSD.ORG Sun Feb 24 16:10:43 2013 Return-Path: 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 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" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-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"));