From owner-svn-src-all@freebsd.org Thu Jan 23 04:56:39 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 93D6F22C2A9; Thu, 23 Jan 2020 04:56:39 +0000 (UTC) (envelope-from rlibby@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 48393W3Tl9z454C; Thu, 23 Jan 2020 04:56:39 +0000 (UTC) (envelope-from rlibby@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 6FEC79492; Thu, 23 Jan 2020 04:56:39 +0000 (UTC) (envelope-from rlibby@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id 00N4ud3A060318; Thu, 23 Jan 2020 04:56:39 GMT (envelope-from rlibby@FreeBSD.org) Received: (from rlibby@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id 00N4udpZ060317; Thu, 23 Jan 2020 04:56:39 GMT (envelope-from rlibby@FreeBSD.org) Message-Id: <202001230456.00N4udpZ060317@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: rlibby set sender to rlibby@FreeBSD.org using -f From: Ryan Libby Date: Thu, 23 Jan 2020 04:56:39 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r357019 - head/sys/vm X-SVN-Group: head X-SVN-Commit-Author: rlibby X-SVN-Commit-Paths: head/sys/vm X-SVN-Commit-Revision: 357019 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: Thu, 23 Jan 2020 04:56:39 -0000 Author: rlibby Date: Thu Jan 23 04:56:38 2020 New Revision: 357019 URL: https://svnweb.freebsd.org/changeset/base/357019 Log: uma: fix zone domain overlaying pcpu cache with disabled cpus UMA zone structures have two arrays at the end which are sized according to the machine: an array of CPU count length, and an array of NUMA domain count length. The CPU counting was wrong in the case where some CPUs are disabled (when mp_ncpus != mp_maxid + 1), and this caused the second array to be overlaid with the first. Reported by: olivier Reviewed by: jeff, markj Sponsored by: Dell EMC Isilon Differential Revision: https://reviews.freebsd.org/D23318 Modified: head/sys/vm/uma_core.c Modified: head/sys/vm/uma_core.c ============================================================================== --- head/sys/vm/uma_core.c Thu Jan 23 04:56:34 2020 (r357018) +++ head/sys/vm/uma_core.c Thu Jan 23 04:56:38 2020 (r357019) @@ -2297,7 +2297,8 @@ zone_ctor(void *mem, int size, void *udata, int flags) zone->uz_flags = 0; zone->uz_warning = NULL; /* The domain structures follow the cpu structures. */ - zone->uz_domain = (struct uma_zone_domain *)&zone->uz_cpu[mp_ncpus]; + zone->uz_domain = + (struct uma_zone_domain *)&zone->uz_cpu[mp_maxid + 1]; zone->uz_bkt_max = ULONG_MAX; timevalclear(&zone->uz_ratecheck);