From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1E2B0C4BA24 for ; Wed, 26 Feb 2020 18:44:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id ECB0D20714 for ; Wed, 26 Feb 2020 18:44:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727068AbgBZSoO (ORCPT ); Wed, 26 Feb 2020 13:44:14 -0500 Received: from gentwo.org ([3.19.106.255]:58986 "EHLO gentwo.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727064AbgBZSoO (ORCPT ); Wed, 26 Feb 2020 13:44:14 -0500 Received: by gentwo.org (Postfix, from userid 1002) id CDCF43EC0C; Wed, 26 Feb 2020 18:44:13 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by gentwo.org (Postfix) with ESMTP id CCCE63EBB8; Wed, 26 Feb 2020 18:44:13 +0000 (UTC) Date: Wed, 26 Feb 2020 18:44:13 +0000 (UTC) From: Christopher Lameter X-X-Sender: cl@www.lameter.com To: Michal Hocko cc: Sachin Sant , Pekka Enberg , David Rientjes , Joonsoo Kim , Kirill Tkhai , Linux-Next Mailing List , linuxppc-dev@lists.ozlabs.org Subject: Re: [5.6.0-rc2-next-20200218/powerpc] Boot failure on POWER9 In-Reply-To: <20200226184152.GQ3771@dhcp22.suse.cz> Message-ID: References: <0ba2a3c6-6593-2cee-1cef-983cd75f920f@virtuozzo.com> <20200218115525.GD4151@dhcp22.suse.cz> <20200218142620.GF4151@dhcp22.suse.cz> <35EE65CF-40E3-4870-AEBC-D326977176DA@linux.vnet.ibm.com> <20200218152441.GH4151@dhcp22.suse.cz> <20200224085812.GB22443@dhcp22.suse.cz> <20200226184152.GQ3771@dhcp22.suse.cz> User-Agent: Alpine 2.21 (DEB 202 2017-01-01) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Sender: linux-next-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-next@vger.kernel.org On Wed, 26 Feb 2020, Michal Hocko wrote: > Besides that kmalloc_node shouldn't really have an implicit GFP_THISNODE > semantic right? At least I do not see anything like that documented > anywhere. Kmalloc_node does not support memory policies etc. Only kmalloc does. kmalloc_node is mostly used by subsystems that have determined the active nodes and want a targeted allocation on those nodes. From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id F0317C4BA24 for ; Wed, 26 Feb 2020 18:46:36 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id AA7B820714 for ; Wed, 26 Feb 2020 18:46:36 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org AA7B820714 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linux.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 48SPsQ5ysJzDqp5 for ; Thu, 27 Feb 2020 05:46:34 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; spf=softfail (domain owner discourages use of this host) smtp.mailfrom=linux.com (client-ip=3.19.106.255; helo=gentwo.org; envelope-from=cl@linux.com; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=linux.com Received: from gentwo.org (gentwo.org [3.19.106.255]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 48SPpn565FzDqlZ for ; Thu, 27 Feb 2020 05:44:16 +1100 (AEDT) Received: by gentwo.org (Postfix, from userid 1002) id CDCF43EC0C; Wed, 26 Feb 2020 18:44:13 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by gentwo.org (Postfix) with ESMTP id CCCE63EBB8; Wed, 26 Feb 2020 18:44:13 +0000 (UTC) Date: Wed, 26 Feb 2020 18:44:13 +0000 (UTC) From: Christopher Lameter X-X-Sender: cl@www.lameter.com To: Michal Hocko Subject: Re: [5.6.0-rc2-next-20200218/powerpc] Boot failure on POWER9 In-Reply-To: <20200226184152.GQ3771@dhcp22.suse.cz> Message-ID: References: <0ba2a3c6-6593-2cee-1cef-983cd75f920f@virtuozzo.com> <20200218115525.GD4151@dhcp22.suse.cz> <20200218142620.GF4151@dhcp22.suse.cz> <35EE65CF-40E3-4870-AEBC-D326977176DA@linux.vnet.ibm.com> <20200218152441.GH4151@dhcp22.suse.cz> <20200224085812.GB22443@dhcp22.suse.cz> <20200226184152.GQ3771@dhcp22.suse.cz> User-Agent: Alpine 2.21 (DEB 202 2017-01-01) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Sachin Sant , Pekka Enberg , Kirill Tkhai , Linux-Next Mailing List , David Rientjes , Joonsoo Kim , linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On Wed, 26 Feb 2020, Michal Hocko wrote: > Besides that kmalloc_node shouldn't really have an implicit GFP_THISNODE > semantic right? At least I do not see anything like that documented > anywhere. Kmalloc_node does not support memory policies etc. Only kmalloc does. kmalloc_node is mostly used by subsystems that have determined the active nodes and want a targeted allocation on those nodes.