From owner-svn-src-all@freebsd.org Tue Apr 21 15:55:29 2020 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 6B5702A9E7D; Tue, 21 Apr 2020 15:55:29 +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 4967Sd2JJ9z4Vgn; Tue, 21 Apr 2020 15:55:29 +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 30A3638F4; Tue, 21 Apr 2020 15:55:29 +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 03LFtTIv049682; Tue, 21 Apr 2020 15:55:29 GMT (envelope-from markj@FreeBSD.org) Received: (from markj@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id 03LFtT4P049681; Tue, 21 Apr 2020 15:55:29 GMT (envelope-from markj@FreeBSD.org) Message-Id: <202004211555.03LFtT4P049681@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: markj set sender to markj@FreeBSD.org using -f From: Mark Johnston Date: Tue, 21 Apr 2020 15:55:29 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r360153 - head/sys/vm X-SVN-Group: head X-SVN-Commit-Author: markj X-SVN-Commit-Paths: head/sys/vm X-SVN-Commit-Revision: 360153 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: Tue, 21 Apr 2020 15:55:29 -0000 Author: markj Date: Tue Apr 21 15:55:28 2020 New Revision: 360153 URL: https://svnweb.freebsd.org/changeset/base/360153 Log: Minimize conditional compilation for handling of M_EXEC. This simplifies some planned changes. No functional change intended. Reviewed by: kib MFC after: 1 week Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D24474 Modified: head/sys/vm/vm_kern.c Modified: head/sys/vm/vm_kern.c ============================================================================== --- head/sys/vm/vm_kern.c Tue Apr 21 15:55:08 2020 (r360152) +++ head/sys/vm/vm_kern.c Tue Apr 21 15:55:28 2020 (r360153) @@ -402,14 +402,10 @@ kmem_malloc_domain(int domain, vm_size_t size, int fla vm_offset_t addr; int rv; -#if VM_NRESERVLEVEL > 0 if (__predict_true((flags & M_EXEC) == 0)) arena = vm_dom[domain].vmd_kernel_arena; else arena = vm_dom[domain].vmd_kernel_rwx_arena; -#else - arena = vm_dom[domain].vmd_kernel_arena; -#endif size = round_page(size); if (vmem_alloc(arena, size, flags | M_BESTFIT, &addr)) return (0); @@ -501,10 +497,8 @@ retry: vm_page_valid(m); pmap_enter(kernel_pmap, addr + i, m, prot, prot | PMAP_ENTER_WIRED, 0); -#if VM_NRESERVLEVEL > 0 if (__predict_false((prot & VM_PROT_EXECUTE) != 0)) m->oflags |= VPO_KMEM_EXEC; -#endif } VM_OBJECT_WUNLOCK(object); @@ -578,14 +572,10 @@ _kmem_unback(vm_object_t object, vm_offset_t addr, vm_ VM_OBJECT_WLOCK(object); m = vm_page_lookup(object, atop(offset)); domain = vm_phys_domain(m); -#if VM_NRESERVLEVEL > 0 if (__predict_true((m->oflags & VPO_KMEM_EXEC) == 0)) arena = vm_dom[domain].vmd_kernel_arena; else arena = vm_dom[domain].vmd_kernel_rwx_arena; -#else - arena = vm_dom[domain].vmd_kernel_arena; -#endif for (; offset < end; offset += PAGE_SIZE, m = next) { next = vm_page_next(m); vm_page_xbusy_claim(m); @@ -814,6 +804,9 @@ kmem_init(vm_offset_t start, vm_offset_t end) vmem_set_import(vm_dom[domain].vmd_kernel_rwx_arena, kva_import_domain, (vmem_release_t *)vmem_xfree, kernel_arena, KVA_QUANTUM); +#else + vm_dom[domain].vmd_kernel_rwx_arena = + vm_dom[domain].vmd_kernel_arena; #endif }