From owner-svn-src-all@freebsd.org Wed Oct 2 16:34:43 2019 Return-Path: Delivered-To: svn-src-all@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 1395E133509; Wed, 2 Oct 2019 16:34:43 +0000 (UTC) (envelope-from markj@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 46k1v66jNGz4fWg; Wed, 2 Oct 2019 16:34:42 +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 mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id C68712E475; Wed, 2 Oct 2019 16:34:42 +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 x92GYgGQ061816; Wed, 2 Oct 2019 16:34:42 GMT (envelope-from markj@FreeBSD.org) Received: (from markj@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id x92GYgjE061814; Wed, 2 Oct 2019 16:34:42 GMT (envelope-from markj@FreeBSD.org) Message-Id: <201910021634.x92GYgjE061814@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: markj set sender to markj@FreeBSD.org using -f From: Mark Johnston Date: Wed, 2 Oct 2019 16:34:42 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r353014 - head/sys/kern X-SVN-Group: head X-SVN-Commit-Author: markj X-SVN-Commit-Paths: head/sys/kern X-SVN-Commit-Revision: 353014 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: 2.1.29 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: Wed, 02 Oct 2019 16:34:43 -0000 Author: markj Date: Wed Oct 2 16:34:42 2019 New Revision: 353014 URL: https://svnweb.freebsd.org/changeset/base/353014 Log: Use OBJT_PHYS VM objects for kernel modules. OBJT_DEFAULT incurs some unnecessary overhead given that kernel module pages cannot be paged out. Reviewed by: alc, kib MFC after: 1 week Sponsored by: Netflix Differential Revision: https://reviews.freebsd.org/D21862 Modified: head/sys/kern/link_elf.c head/sys/kern/link_elf_obj.c Modified: head/sys/kern/link_elf.c ============================================================================== --- head/sys/kern/link_elf.c Wed Oct 2 16:18:50 2019 (r353013) +++ head/sys/kern/link_elf.c Wed Oct 2 16:34:42 2019 (r353014) @@ -991,7 +991,7 @@ link_elf_load_file(linker_class_t cls, const char* fil ef = (elf_file_t) lf; #ifdef SPARSE_MAPPING - ef->object = vm_object_allocate(OBJT_DEFAULT, mapsize >> PAGE_SHIFT); + ef->object = vm_object_allocate(OBJT_PHYS, atop(mapsize)); if (ef->object == NULL) { error = ENOMEM; goto out; Modified: head/sys/kern/link_elf_obj.c ============================================================================== --- head/sys/kern/link_elf_obj.c Wed Oct 2 16:18:50 2019 (r353013) +++ head/sys/kern/link_elf_obj.c Wed Oct 2 16:34:42 2019 (r353014) @@ -774,8 +774,7 @@ link_elf_load_file(linker_class_t cls, const char *fil * This stuff needs to be in a single chunk so that profiling etc * can get the bounds and gdb can associate offsets with modules */ - ef->object = vm_object_allocate(OBJT_DEFAULT, - round_page(mapsize) >> PAGE_SHIFT); + ef->object = vm_object_allocate(OBJT_PHYS, atop(round_page(mapsize))); if (ef->object == NULL) { error = ENOMEM; goto out;