From owner-svn-src-all@freebsd.org Sat Jul 21 21:26:40 2018 Return-Path: Delivered-To: svn-src-all@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 18BA6102D0B8; Sat, 21 Jul 2018 21:26:40 +0000 (UTC) (envelope-from alc@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 AF3077863D; Sat, 21 Jul 2018 21:26:39 +0000 (UTC) (envelope-from alc@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 8146C24697; Sat, 21 Jul 2018 21:26:39 +0000 (UTC) (envelope-from alc@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id w6LLQdFr054798; Sat, 21 Jul 2018 21:26:39 GMT (envelope-from alc@FreeBSD.org) Received: (from alc@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id w6LLQd8Y054797; Sat, 21 Jul 2018 21:26:39 GMT (envelope-from alc@FreeBSD.org) Message-Id: <201807212126.w6LLQd8Y054797@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: alc set sender to alc@FreeBSD.org using -f From: Alan Cox Date: Sat, 21 Jul 2018 21:26:39 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r336589 - head/sys/arm64/arm64 X-SVN-Group: head X-SVN-Commit-Author: alc X-SVN-Commit-Paths: head/sys/arm64/arm64 X-SVN-Commit-Revision: 336589 X-SVN-Commit-Repository: base 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: 2.1.27 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: Sat, 21 Jul 2018 21:26:40 -0000 Author: alc Date: Sat Jul 21 21:26:38 2018 New Revision: 336589 URL: https://svnweb.freebsd.org/changeset/base/336589 Log: Eliminate a comment that doesn't apply to this pmap implementation. Coalesce the variable definitions for PV entry management. MFC after: 3 weeks Modified: head/sys/arm64/arm64/pmap.c Modified: head/sys/arm64/arm64/pmap.c ============================================================================== --- head/sys/arm64/arm64/pmap.c Sat Jul 21 20:14:01 2018 (r336588) +++ head/sys/arm64/arm64/pmap.c Sat Jul 21 21:26:38 2018 (r336589) @@ -242,9 +242,10 @@ vm_offset_t kernel_vm_end = 0; /* * Data for the pv entry allocation mechanism. - * Updates to pv_invl_gen are protected by the pv_list_locks[] - * elements, but reads are not. */ +static TAILQ_HEAD(pch, pv_chunk) pv_chunks = TAILQ_HEAD_INITIALIZER(pv_chunks); +static struct mtx pv_chunks_mutex; +static struct rwlock pv_list_locks[NPV_LIST_LOCKS]; static struct md_page *pv_table; static struct md_page pv_dummy; @@ -269,13 +270,6 @@ static int superpages_enabled = 1; SYSCTL_INT(_vm_pmap, OID_AUTO, superpages_enabled, CTLFLAG_RDTUN | CTLFLAG_NOFETCH, &superpages_enabled, 0, "Are large page mappings enabled?"); - -/* - * Data for the pv entry allocation mechanism - */ -static TAILQ_HEAD(pch, pv_chunk) pv_chunks = TAILQ_HEAD_INITIALIZER(pv_chunks); -static struct mtx pv_chunks_mutex; -static struct rwlock pv_list_locks[NPV_LIST_LOCKS]; /* * Internal flags for pmap_enter()'s helper functions.