From owner-svn-src-all@freebsd.org Fri Feb 3 01:19:50 2017 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 2D5E3CBED9C; Fri, 3 Feb 2017 01:19:50 +0000 (UTC) (envelope-from markj@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 mx1.freebsd.org (Postfix) with ESMTPS id F08E8B1F; Fri, 3 Feb 2017 01:19:49 +0000 (UTC) (envelope-from markj@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id v131Jn1L090415; Fri, 3 Feb 2017 01:19:49 GMT (envelope-from markj@FreeBSD.org) Received: (from markj@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id v131Jn3D090414; Fri, 3 Feb 2017 01:19:49 GMT (envelope-from markj@FreeBSD.org) Message-Id: <201702030119.v131Jn3D090414@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: markj set sender to markj@FreeBSD.org using -f From: Mark Johnston Date: Fri, 3 Feb 2017 01:19:49 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org Subject: svn commit: r313127 - stable/11/sys/vm X-SVN-Group: stable-11 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 03 Feb 2017 01:19:50 -0000 Author: markj Date: Fri Feb 3 01:19:48 2017 New Revision: 313127 URL: https://svnweb.freebsd.org/changeset/base/313127 Log: MFC r307693: Simplify keg_drain() a bit by using LIST_FOREACH_SAFE. Modified: stable/11/sys/vm/uma_core.c Directory Properties: stable/11/ (props changed) Modified: stable/11/sys/vm/uma_core.c ============================================================================== --- stable/11/sys/vm/uma_core.c Fri Feb 3 01:18:47 2017 (r313126) +++ stable/11/sys/vm/uma_core.c Fri Feb 3 01:19:48 2017 (r313127) @@ -845,8 +845,7 @@ static void keg_drain(uma_keg_t keg) { struct slabhead freeslabs = { 0 }; - uma_slab_t slab; - uma_slab_t n; + uma_slab_t slab, tmp; /* * We don't want to take pages from statically allocated kegs at this @@ -862,15 +861,10 @@ keg_drain(uma_keg_t keg) if (keg->uk_free == 0) goto finished; - slab = LIST_FIRST(&keg->uk_free_slab); - while (slab) { - n = LIST_NEXT(slab, us_link); - - /* We have no where to free these to */ - if (slab->us_flags & UMA_SLAB_BOOT) { - slab = n; + LIST_FOREACH_SAFE(slab, &keg->uk_free_slab, us_link, tmp) { + /* We have nowhere to free these to. */ + if (slab->us_flags & UMA_SLAB_BOOT) continue; - } LIST_REMOVE(slab, us_link); keg->uk_pages -= keg->uk_ppera; @@ -880,8 +874,6 @@ keg_drain(uma_keg_t keg) UMA_HASH_REMOVE(&keg->uk_hash, slab, slab->us_data); SLIST_INSERT_HEAD(&freeslabs, slab, us_hlink); - - slab = n; } finished: KEG_UNLOCK(keg);