From owner-svn-src-all@freebsd.org Sat Jan 18 18:25:37 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 B88BC1FD45D; Sat, 18 Jan 2020 18:25:37 +0000 (UTC) (envelope-from gallatin@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 480RFF4YLtz4FfQ; Sat, 18 Jan 2020 18:25:37 +0000 (UTC) (envelope-from gallatin@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 978EE2617F; Sat, 18 Jan 2020 18:25:37 +0000 (UTC) (envelope-from gallatin@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id 00IIPb97084394; Sat, 18 Jan 2020 18:25:37 GMT (envelope-from gallatin@FreeBSD.org) Received: (from gallatin@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id 00IIPb27084393; Sat, 18 Jan 2020 18:25:37 GMT (envelope-from gallatin@FreeBSD.org) Message-Id: <202001181825.00IIPb27084393@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: gallatin set sender to gallatin@FreeBSD.org using -f From: Andrew Gallatin Date: Sat, 18 Jan 2020 18:25:37 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r356866 - head/sys/vm X-SVN-Group: head X-SVN-Commit-Author: gallatin X-SVN-Commit-Paths: head/sys/vm X-SVN-Commit-Revision: 356866 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: Sat, 18 Jan 2020 18:25:37 -0000 Author: gallatin Date: Sat Jan 18 18:25:37 2020 New Revision: 356866 URL: https://svnweb.freebsd.org/changeset/base/356866 Log: pcpu_page_alloc: guard against empty NUMA domains Some systems, such as higher end Threadripper, may have NUMA domains with no physical memory, Don't allocate from these domains. This fixes a "panic: vm_wait in early boot" on my 2990WX desktop Reviewed by: jeff Sponsored by: Netflix Modified: head/sys/vm/uma_core.c Modified: head/sys/vm/uma_core.c ============================================================================== --- head/sys/vm/uma_core.c Sat Jan 18 10:55:38 2020 (r356865) +++ head/sys/vm/uma_core.c Sat Jan 18 18:25:37 2020 (r356866) @@ -1521,7 +1521,11 @@ pcpu_page_alloc(uma_zone_t zone, vm_size_t bytes, int p = vm_page_alloc(NULL, 0, flags); #else pc = pcpu_find(cpu); - p = vm_page_alloc_domain(NULL, 0, pc->pc_domain, flags); + if (__predict_false(VM_DOMAIN_EMPTY(pc->pc_domain))) + p = NULL; + else + p = vm_page_alloc_domain(NULL, 0, + pc->pc_domain, flags); if (__predict_false(p == NULL)) p = vm_page_alloc(NULL, 0, flags); #endif