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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 20C30C433EF for ; Fri, 20 May 2022 23:41:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237843AbiETXlL (ORCPT ); Fri, 20 May 2022 19:41:11 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36070 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230462AbiETXlI (ORCPT ); Fri, 20 May 2022 19:41:08 -0400 Received: from alexa-out.qualcomm.com (alexa-out.qualcomm.com [129.46.98.28]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 53CAA1E3E2 for ; Fri, 20 May 2022 16:41:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1653090066; x=1684626066; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=RXc+ONkFyVVtEjPAyk2CpuG/lsV8gZbDITKeLwGX1u8=; b=ywjlBwUgjd66YvzkxGiFX/9htrw9Bsw1mWNwiSHklpjzG3AAH+CDy8PV ww1Y+mBtj+mlYZTRMPSjkRX3xYzixJRHNiKZ5XybI0KUNVgumawW+mKgs v5cX8BtxEiMaRWhsXaoC88YVaUTaaZorTTuOe7LkUFSzPymT361NAP/zv U=; Received: from ironmsg07-lv.qualcomm.com ([10.47.202.151]) by alexa-out.qualcomm.com with ESMTP; 20 May 2022 16:41:05 -0700 X-QCInternal: smtphost Received: from nasanex01c.na.qualcomm.com ([10.47.97.222]) by ironmsg07-lv.qualcomm.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 May 2022 16:41:05 -0700 Received: from nalasex01a.na.qualcomm.com (10.47.209.196) by nasanex01c.na.qualcomm.com (10.47.97.222) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.22; Fri, 20 May 2022 16:41:04 -0700 Received: from qian (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.22; Fri, 20 May 2022 16:41:02 -0700 Date: Fri, 20 May 2022 19:41:00 -0400 From: Qian Cai To: Zi Yan CC: David Hildenbrand , , , , Vlastimil Babka , Mel Gorman , Eric Ren , Mike Rapoport , "Oscar Salvador" , Christophe Leroy , Andrew Morton Subject: Re: [PATCH v11 0/6] Use pageblock_order for cma and alloc_contig_range alignment. Message-ID: References: <20220428123308.GA71@qian> <0E75B247-8150-48A3-83AE-56C586030006@nvidia.com> <48D48FDC-B8DD-41C9-B56A-EBD7314883AB@nvidia.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nalasex01a.na.qualcomm.com (10.47.209.196) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, May 20, 2022 at 05:56:52PM -0400, Zi Yan wrote: > Do you have the page information like refcount, map count, mapping, index, and > page flags? That would be more helpful. Thanks. page:fffffc200c7f8000 refcount:393 mapcount:1 mapping:0000000000000000 index:0xffffbb800 pfn:0x8039fe00 head:fffffc200c7f8000 order:9 compound_mapcount:0 compound_pincount:0 memcg:ffff40026005a000 anon flags: 0xbfffc000009001c(uptodate|dirty|lru|head|swapbacked|node=0|zone=2|lastcpupid=0xffff) raw: 0bfffc000009001c fffffc2007b74048 fffffc2009c087c8 ffff08038dab9189 raw: 0000000ffffbb800 0000000000000000 0000018900000000 ffff40026005a000 > I cannot reproduce it locally after hundreds of iterations of flip_mem.py on my > x86_64 VM and bare metal. > > What ARM machine are you using? I wonder if I am able to get one locally. Ampere Altra.