From owner-svn-src-head@freebsd.org Sun Dec 30 15:58:19 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 66BF3142C13C; Sun, 30 Dec 2018 15:58:19 +0000 (UTC) (envelope-from kib@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id F398D8A66C; Sun, 30 Dec 2018 15:58:18 +0000 (UTC) (envelope-from kib@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 D8AED25315; Sun, 30 Dec 2018 15:58:18 +0000 (UTC) (envelope-from kib@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id wBUFwIFq054442; Sun, 30 Dec 2018 15:58:18 GMT (envelope-from kib@FreeBSD.org) Received: (from kib@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id wBUFwIHS054441; Sun, 30 Dec 2018 15:58:18 GMT (envelope-from kib@FreeBSD.org) Message-Id: <201812301558.wBUFwIHS054441@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: kib set sender to kib@FreeBSD.org using -f From: Konstantin Belousov Date: Sun, 30 Dec 2018 15:58:18 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r342630 - head/sys/vm X-SVN-Group: head X-SVN-Commit-Author: kib X-SVN-Commit-Paths: head/sys/vm X-SVN-Commit-Revision: 342630 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: F398D8A66C X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-2.97 / 15.00]; local_wl_from(0.00)[FreeBSD.org]; NEURAL_HAM_MEDIUM(-1.00)[-0.999,0]; NEURAL_HAM_SHORT(-0.97)[-0.971,0]; ASN(0.00)[asn:11403, ipnet:2610:1c1:1::/48, country:US]; NEURAL_HAM_LONG(-1.00)[-0.998,0] X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.29 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: Sun, 30 Dec 2018 15:58:19 -0000 Author: kib Date: Sun Dec 30 15:58:18 2018 New Revision: 342630 URL: https://svnweb.freebsd.org/changeset/base/342630 Log: Add 'v' modifier to the ddb 'show pginfo' command to display vm_page backing the provided kernel virtual address. Tested by: pho MFC after: 1 week Sponsored by: The FreeBSD Foundation Modified: head/sys/vm/vm_page.c Modified: head/sys/vm/vm_page.c ============================================================================== --- head/sys/vm/vm_page.c Sun Dec 30 15:55:30 2018 (r342629) +++ head/sys/vm/vm_page.c Sun Dec 30 15:58:18 2018 (r342630) @@ -4493,7 +4493,7 @@ DB_SHOW_COMMAND(pageq, vm_page_print_pageq_info) DB_SHOW_COMMAND(pginfo, vm_page_print_pginfo) { vm_page_t m; - boolean_t phys; + boolean_t phys, virt; if (!have_addr) { db_printf("show pginfo addr\n"); @@ -4501,7 +4501,10 @@ DB_SHOW_COMMAND(pginfo, vm_page_print_pginfo) } phys = strchr(modif, 'p') != NULL; - if (phys) + virt = strchr(modif, 'v') != NULL; + if (virt) + m = PHYS_TO_VM_PAGE(pmap_kextract(addr)); + else if (phys) m = PHYS_TO_VM_PAGE(addr); else m = (vm_page_t)addr;