From owner-svn-src-stable@freebsd.org Sat Jul 27 16:33:35 2019 Return-Path: <owner-svn-src-stable@freebsd.org> Delivered-To: svn-src-stable@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 680C8BD45E; Sat, 27 Jul 2019 16:33:35 +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 48DCC8C2AE; Sat, 27 Jul 2019 16:33:35 +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 2028321E2; Sat, 27 Jul 2019 16:33:35 +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 x6RGXZWJ048103; Sat, 27 Jul 2019 16:33:35 GMT (envelope-from markj@FreeBSD.org) Received: (from markj@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id x6RGXZVW048102; Sat, 27 Jul 2019 16:33:35 GMT (envelope-from markj@FreeBSD.org) Message-Id: <201907271633.x6RGXZVW048102@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: markj set sender to markj@FreeBSD.org using -f From: Mark Johnston <markj@FreeBSD.org> Date: Sat, 27 Jul 2019 16:33:35 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-12@freebsd.org Subject: svn commit: r350375 - stable/12/sys/vm X-SVN-Group: stable-12 X-SVN-Commit-Author: markj X-SVN-Commit-Paths: stable/12/sys/vm X-SVN-Commit-Revision: 350375 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 48DCC8C2AE X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-2.92 / 15.00]; local_wl_from(0.00)[FreeBSD.org]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; NEURAL_HAM_SHORT(-0.92)[-0.923,0]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; ASN(0.00)[asn:11403, ipnet:2610:1c1:1::/48, country:US] X-BeenThere: svn-src-stable@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: SVN commit messages for all the -stable branches of the src tree <svn-src-stable.freebsd.org> List-Unsubscribe: <https://lists.freebsd.org/mailman/options/svn-src-stable>, <mailto:svn-src-stable-request@freebsd.org?subject=unsubscribe> List-Archive: <http://lists.freebsd.org/pipermail/svn-src-stable/> List-Post: <mailto:svn-src-stable@freebsd.org> List-Help: <mailto:svn-src-stable-request@freebsd.org?subject=help> List-Subscribe: <https://lists.freebsd.org/mailman/listinfo/svn-src-stable>, <mailto:svn-src-stable-request@freebsd.org?subject=subscribe> X-List-Received-Date: Sat, 27 Jul 2019 16:33:35 -0000 Author: markj Date: Sat Jul 27 16:33:34 2019 New Revision: 350375 URL: https://svnweb.freebsd.org/changeset/base/350375 Log: MFC r349841: Elide the vm_reserv_free_page() call when PG_PCPU_CACHE is set. Modified: stable/12/sys/vm/vm_page.c Directory Properties: stable/12/ (props changed) Modified: stable/12/sys/vm/vm_page.c ============================================================================== --- stable/12/sys/vm/vm_page.c Sat Jul 27 16:33:11 2019 (r350374) +++ stable/12/sys/vm/vm_page.c Sat Jul 27 16:33:34 2019 (r350375) @@ -3461,7 +3461,12 @@ vm_page_free_prep(vm_page_t m) pmap_page_set_memattr(m, VM_MEMATTR_DEFAULT); #if VM_NRESERVLEVEL > 0 - if (vm_reserv_free_page(m)) + /* + * Determine whether the page belongs to a reservation. If the page was + * allocated from a per-CPU cache, it cannot belong to a reservation, so + * as an optimization, we avoid the check in that case. + */ + if ((m->flags & PG_PCPU_CACHE) == 0 && vm_reserv_free_page(m)) return (false); #endif