From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx0b-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 54298418363; Fri, 18 Sep 2026 12:58:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=148.163.158.5 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789736326; cv=none; b=ij3UPaaLg2g28dsIqIauehCqU0KmxE5mP3lLCdp1CCQEpYk9rJOF3H01GLOUz+EMhGeNFDJNk9hgxNz7AnYmX5QAIyINbgMOtzY8NRp8oaCtY+49QSr4y+p+hWLthWcQaxQQKotE8+yFfo98IgmvLtrR5FxMG5ingONUBfGFu7M= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789736326; c=relaxed/simple; bh=CxfmQzrEOjhuFPDY1BS8dbTxfRSnF9AUCc8h06gmwj8=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=uRKlB3MvGCx3Z+ZCQdB/+ghRPgFpJ4bALT0Zycqzl+YzNGI10oAqE6EFYFGACNMupKYdtp+ge46Pzy1Yh76dtIePR2tsv0CrlqSulVchsChD27qaAEqLKmtS39RAiWWY4m0oo/fD1NTfPVS9tNsmLEi0agMOkqA7drnkD4cb1bU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.ibm.com; spf=pass smtp.mailfrom=linux.ibm.com; dkim=pass (2048-bit key) header.d=ibm.com header.i=@ibm.com header.b=byvnC9Dg; arc=none smtp.client-ip=148.163.158.5 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.ibm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.ibm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=ibm.com header.i=@ibm.com header.b="byvnC9Dg" Received: from pps.filterd (m0360072.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 68IA2ka3990915; Fri, 18 Sep 2026 12:57:18 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=cc :content-type:date:from:in-reply-to:message-id:mime-version :references:subject:to; s=pp1; bh=vvXTEBXtIpBfma8CBebbY+SSqqX1Qu WR6+4vIHcllvk=; b=byvnC9DgZuLKYo4mY9QFMiFQ6Zc5eAvVokdOQ/jMnu/ROL Ihy697HfGNSs027KQksAAkjwX7YaRrLsOO1g/6wd0s+CHm/STBQ5bGQE02PrUNuG /jNGEuQyMJ0GgJpPIZLUjqfcXRUhYNBUGxSiAGrMMe/ZN3ie+9Negm0sXqB2qPGg G78+ulSPRFoKyeDh2Y4ugEz6Mth2PVTjmT/mNSj1OZo6IEDn3Mmfrt4AuGBiF3It 82M05ljqdaF9c5/06LrZaWpRH1x7tFsqkPtu0asE5M/h1WbsI4/lZhbLwmk3A6qp RqNdQRRqouleichhat5Xw20CbOufAHP17/U7CBSg== Received: from ppma13.dal12v.mail.ibm.com (dd.9e.1632.ip4.static.sl-reverse.com [50.22.158.221]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 4gmxcvfgrx-1 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NOT); Fri, 18 Sep 2026 12:57:17 +0000 (GMT) Received: from pps.filterd (ppma13.dal12v.mail.ibm.com [127.0.0.1]) by ppma13.dal12v.mail.ibm.com (8.18.1.11/8.18.1.11) with ESMTP id 68I9oGpj507832; Fri, 18 Sep 2026 12:57:16 GMT Received: from smtprelay05.fra02v.mail.ibm.com ([9.218.2.225]) by ppma13.dal12v.mail.ibm.com (PPS) with ESMTPS id 4gra3yxedq-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 18 Sep 2026 12:57:16 +0000 (GMT) Received: from smtpav07.fra02v.mail.ibm.com (smtpav07.fra02v.mail.ibm.com [10.20.54.106]) by smtprelay05.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 68ICvEb851904874 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 18 Sep 2026 12:57:14 GMT Received: from smtpav07.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 9D53820043; Fri, 18 Sep 2026 12:57:14 +0000 (GMT) Received: from smtpav07.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id EB2DB20040; Fri, 18 Sep 2026 12:57:13 +0000 (GMT) Received: from li-008a6a4c-3549-11b2-a85c-c5cc2836eea2.ibm.com (unknown [9.224.92.206]) by smtpav07.fra02v.mail.ibm.com (Postfix) with ESMTPS; Fri, 18 Sep 2026 12:57:13 +0000 (GMT) Date: Fri, 18 Sep 2026 14:57:12 +0200 From: Alexander Gordeev To: "David Hildenbrand (Arm)" Cc: Muhammad Usama Anjum , Jani Nikula , Joonas Lahtinen , Rodrigo Vivi , Tvrtko Ursulin , David Airlie , Simona Vetter , Dimitri Sivanich , Arnd Bergmann , Greg Kroah-Hartman , "James E.J. Bottomley" , Helge Deller , Juergen Gross , Stefano Stabellini , Muchun Song , Oscar Salvador , Andrew Morton , "Liam R. Howlett" , Lorenzo Stoakes , Will Deacon , "Aneesh Kumar K.V" , Nick Piggin , Peter Zijlstra , Andrey Ryabinin , Pasha Tatashin , Chris Li , Kairui Song , Uladzislau Rezki , Steven Rostedt , Masami Hiramatsu , Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Eduard Zingerman , Kumar Kartikeya Dwivedi , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , SJ Park , "Matthew Wilcox (Oracle)" , Jan Kara , Jason Gunthorpe , Leon Romanovsky , Miaohe Lin , Dennis Zhou , Tejun Heo , Christoph Lameter , Mike Rapoport , Johannes Weiner , ziy@nvidia.com, pfalcato@suse.de, ryan.roberts@arm.com, linux-kernel@vger.kernel.org, intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-parisc@vger.kernel.org, xen-devel@lists.xenproject.org, linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, linux-arch@vger.kernel.org, kasan-dev@googlegroups.com, linux-trace-kernel@vger.kernel.org, bpf@vger.kernel.org, linux-perf-users@vger.kernel.org, damon@lists.linux.dev Subject: Re: [PATCH v2 0/8] mm: distinguish PTE table storage from PTE values Message-ID: References: <20260903103002.1091859-1-usama.anjum@arm.com> Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-TM-AS-GCONF: 00 X-Proofpoint-Spam-Info: AW1haW4tMjYwOTE4MDE3NyBTYWx0ZWRfX0a+YmMinfqLY thIpqQ3k+YsaEL1Nu5Xtb4MVEpoHSHo6PXFxsq+F/Wx3xKw0f3hhtQwBUt801YS/UAG/0atek9m HF3E84n9wG4sj7upDsGZ+DoHJXM8gUk= X-Proofpoint-ORIG-GUID: m4DES1QILxZeg9-Jkqr1aSPqQzDTxZM1 X-Proofpoint-GUID: m4DES1QILxZeg9-Jkqr1aSPqQzDTxZM1 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTE4MDE3NyBTYWx0ZWRfX/T2l95nFB1Uq xYhD9MK3T3CmjxCnR5kdtXxgndhWw6MxRYXoXqGlboj2UoA37O8EdLIe4YiWjjUCSxbCjYPDLdb zLflGPxTioAC9+xJzOGZkBco09vb3ShkcVMCROX8/GZfFwvrgzmx7n0qXL0rX5zPKB/njtDxwgb gMHToemhE70TFtiB9Pj1PeVjgH1oGQscKJTsEGRxHL5kVet2L1efcSErMDeLFJpVDhkGjX606/4 v67gUAI8g2+alWIwtI8/jPJ+6ph22PnYWj6b88V7/Iglrvc/jT0GvjzhQ6L6hTrFOvO8q+nsLfd IM1uuwdfshQ6+5Im7f+26qdGKHnOEavHW8zEdphBYVrG/drJ0FH1jWiiDkeaELYlUGloVtsBlh+ 7nM/BRgAPEjc6uhD2wSkdjVssp3wph+7cmdpYUKnvEQX/Ft2fdQFowSRajI1e1u1DVerG791p4M bjrU9H6l+Tvys0K+DAw== X-Authority-Analysis: v=2.4 cv=F+7C5ahN c=1 sm=1 tr=0 ts=6aad352d cx=c_pps a=AfN7/Ok6k8XGzOShvHwTGQ==:117 a=AfN7/Ok6k8XGzOShvHwTGQ==:17 a=kj9zAlcOel0A:10 a=VdqzKS8jKosA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=RzCfie-kr_QcCd8fBx8p:22 a=36OLCuKFP8Pi5wnj2vYA:9 a=CjuIK1q_8ugA:10 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-09-18_03,2026-09-16_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 suspectscore=0 phishscore=0 clxscore=1011 malwarescore=0 lowpriorityscore=0 bulkscore=0 spamscore=0 impostorscore=0 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2609040000 definitions=main-2609180177 On Fri, Sep 11, 2026 at 06:55:18PM +0200, David Hildenbrand (Arm) wrote: Hi David, Muhammad, Sorry for the long delay. > Unless there is more feedback on the overall approach, the next step for this is > to have at least one architecture support posted. > > We should only merge this if at least one architecture (better two? :) arm64 and > s390x? ) would merge the architecture bits. I am going to give it a try, hopefully next week. > That is, we should get an ACK from the arch maintainer son the common code bits > and the arch bits. > > -- > Cheers, Thanks! > David