From owner-svn-src-head@freebsd.org Mon Feb 12 17:27:50 2018 Return-Path: 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 9C189F0A9F3; Mon, 12 Feb 2018 17:27:50 +0000 (UTC) (envelope-from jtl@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 52820803BE; Mon, 12 Feb 2018 17:27:50 +0000 (UTC) (envelope-from jtl@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 4D8AB14EE6; Mon, 12 Feb 2018 17:27:50 +0000 (UTC) (envelope-from jtl@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id w1CHRoR6063773; Mon, 12 Feb 2018 17:27:50 GMT (envelope-from jtl@FreeBSD.org) Received: (from jtl@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id w1CHRo1I063772; Mon, 12 Feb 2018 17:27:50 GMT (envelope-from jtl@FreeBSD.org) Message-Id: <201802121727.w1CHRo1I063772@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: jtl set sender to jtl@FreeBSD.org using -f From: "Jonathan T. Looney" Date: Mon, 12 Feb 2018 17:27:50 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r329171 - head/sys/amd64/amd64 X-SVN-Group: head X-SVN-Commit-Author: jtl X-SVN-Commit-Paths: head/sys/amd64/amd64 X-SVN-Commit-Revision: 329171 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: 2.1.25 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 12 Feb 2018 17:27:50 -0000 Author: jtl Date: Mon Feb 12 17:27:50 2018 New Revision: 329171 URL: https://svnweb.freebsd.org/changeset/base/329171 Log: Mark the pages used for the initial page-table entries as wired. This makes them consistent with the way other page-table pages are allocated. It also provides the rest of the VM system a good clue that these pages are used. Reviewed by: alc, kib, markj Sponsored by: Netflix Differential Revision: https://reviews.freebsd.org/D14269 Modified: head/sys/amd64/amd64/pmap.c Modified: head/sys/amd64/amd64/pmap.c ============================================================================== --- head/sys/amd64/amd64/pmap.c Mon Feb 12 16:25:56 2018 (r329170) +++ head/sys/amd64/amd64/pmap.c Mon Feb 12 17:27:50 2018 (r329171) @@ -1244,7 +1244,9 @@ pmap_init(void) ("pmap_init: page table page is out of range")); mpte->pindex = pmap_pde_pindex(KERNBASE) + i; mpte->phys_addr = KPTphys + (i << PAGE_SHIFT); + mpte->wire_count = 1; } + atomic_add_int(&vm_cnt.v_wire_count, nkpt); /* * If the kernel is running on a virtual machine, then it must assume