From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) (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 DAEFA40DB20; Wed, 23 Sep 2026 12:27:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=148.163.156.1 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790166428; cv=none; b=qxEKpc56vGvw0uoBmcj7CwFuvjePrFcyMF/6AoNUKggMtbmIP7LI7GKZ80n3KUeXdilvVjLo3Plo2i0wZDnbzBKnz780L+9YzLChKCyE2VAiBNVW8IP99l0X6JGNPo0Bq8Db86d9eXHHaDk3FZ8zQJVxbaFG9mn6l0bxR6G+nHQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790166428; c=relaxed/simple; bh=G5pLTY5y5LED+aMKXjMwPNRlGqafxWZLRXYkcSCDyEE=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=OrYqne+unj+qGsjS1+PT3tgNkDHWQAqdZwp4Z7gwzNa30MCrGbD5oc12syb+zfOUtp9AMGGqm7lssnXgtdrt2loH4OWqgXnMGPSHz0vftqtqpGzcEeEdG5eHwL12uh/89pX4vcXen7DLabwKv5tUPhIT4TcJlEvCjOHfyGNtbHM= 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=DymJK7xH; arc=none smtp.client-ip=148.163.156.1 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="DymJK7xH" Received: from pps.filterd (m0356517.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 68N8ZPkk2906895; Wed, 23 Sep 2026 12:25:42 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=v0X+Rs8szhHkgnuPcIWhAyZce3EkTz TtRBKQqHEj2SY=; b=DymJK7xH6KCGN1aWSDi8yE3JeZCCm0hQdInjvaYZRKitNb sl2yDuJWYD4cPHPK0u4r0N9hStfA3omtniXxpaEHynRZ9NUZdggQ7y4v9nOzT7U9 XpO+PxL7oe/Fbh6/+YhooIKtXBG55sR4NiT2ToMHAWFRENr3oHFXFkwslZyhFWbI 1B334HuWzXx4hpfNYekKa9xlmXk6cYQIBC2BCsfeLJ0OBkoaCBbxWf7H/z4Lv2mB P/Lqle8a9fS6YnXCc6Y1u7OGYFyusCvin01zNALgGbVb6TQ9tmxXkOZ3MjLGdEdC M/ha62xE0Fq3/RrtNVNmohrqAIQ4+aJYTAup8uSA== Received: from ppma22.wdc07v.mail.ibm.com (5c.69.3da9.ip4.static.sl-reverse.com [169.61.105.92]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 4gskgsb5ap-1 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NOT); Wed, 23 Sep 2026 12:25:42 +0000 (GMT) Received: from pps.filterd (ppma22.wdc07v.mail.ibm.com [127.0.0.1]) by ppma22.wdc07v.mail.ibm.com (8.18.1.11/8.18.1.11) with ESMTP id 68N95f8S005144; Wed, 23 Sep 2026 12:25:41 GMT Received: from smtprelay05.fra02v.mail.ibm.com ([9.218.2.225]) by ppma22.wdc07v.mail.ibm.com (PPS) with ESMTPS id 4gvbu8rrf7-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 23 Sep 2026 12:25:41 +0000 (GMT) Received: from smtpav01.fra02v.mail.ibm.com (smtpav01.fra02v.mail.ibm.com [10.20.54.100]) by smtprelay05.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 68NCPd4t38732190 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 23 Sep 2026 12:25:39 GMT Received: from smtpav01.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id EC5CD20065; Wed, 23 Sep 2026 12:25:38 +0000 (GMT) Received: from smtpav01.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 3B95620043; Wed, 23 Sep 2026 12:25:38 +0000 (GMT) Received: from li-008a6a4c-3549-11b2-a85c-c5cc2836eea2.ibm.com (unknown [9.224.92.206]) by smtpav01.fra02v.mail.ibm.com (Postfix) with ESMTPS; Wed, 23 Sep 2026 12:25:38 +0000 (GMT) Date: Wed, 23 Sep 2026 14:25:37 +0200 From: Alexander Gordeev To: Muhammad Usama Anjum Cc: 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 , David Hildenbrand , 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: <1401e907-04ff-4ee5-ad03-00d88531a091-agordeev@linux.ibm.com> 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: <20260903103002.1091859-1-usama.anjum@arm.com> X-TM-AS-GCONF: 00 X-Authority-Analysis: v=2.4 cv=V/XoQuni c=1 sm=1 tr=0 ts=6ab3c546 cx=c_pps a=5BHTudwdYE3Te8bg5FgnPg==:117 a=5BHTudwdYE3Te8bg5FgnPg==:17 a=kj9zAlcOel0A:10 a=VdqzKS8jKosA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=U7nrCbtTmkRpXpFmAIza:22 a=VwQbUJbxAAAA:8 a=7CQSdrXTAAAA:8 a=vUGUDSKChvK0ha46Ui4A:9 a=CjuIK1q_8ugA:10 a=a-qgeE7W1pNrGK8U0ZQC:22 X-Proofpoint-ORIG-GUID: ev-_JLyQr-pwEqNhXTXIZA7T8jABJbLj X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTIzMDA0OCBTYWx0ZWRfX3jBRFLFxLXRH 41gkMIIRJm9VbqiK2YtOcXDOIZwYjrCdxtSZOW/HeORsfhOxpmJhhPEWSN2wE9YBL2VRhW6O7D2 Qr3To+xxPwlTw7GeQ2a8zIO36T51bHxKzdyp7yFXdKF3rEFGszcZBbYQEl+zv+QLSQa5BvzpNIK C5R4wcWrvwWHRZRXWHAwBTIUpPG8PzVJkpsQifRmwR8LgilnDa74f2xP/hyPClmLnKPerI1e3/s fJyE7zMlic6Rx/76z/RtAMNkCr6xtVVE5VeRNLbRnsmDb4KohBKbvJQ4ax0IiGSsSTYf9dF9DDW Go51ekYyr1d3O9vLChpz5abCQojIKm+DNY8HzWZzpMyAQ8VmaL5ufL6oddQ5mv/Q189e6iBxqs6 q8d6mtePYNjZn9b5/f57l92H+6h3S1U9nREt1LclL5Eqc+yXvnOU5Bwtr8lGfdC+FyC20VRDqr5 yvBcPkksv7DCdMzUVog== X-Proofpoint-Spam-Info: AW1haW4tMjYwOTIzMDA0OCBTYWx0ZWRfX46m1QpM8dmIH lg16GCvD6ONwEeOosozSD2m/9N5Zt+i3zavCwk/jFQmzNEO3Hlv1PgshihWpld67QkuM0YD1grS xDTdsyKVkLQulaYB1Dcv4/OHkUvJzFM= X-Proofpoint-GUID: ev-_JLyQr-pwEqNhXTXIZA7T8jABJbLj 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=2026-09-23_04,2026-09-21_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 spamscore=0 malwarescore=0 clxscore=1015 phishscore=0 bulkscore=0 adultscore=0 lowpriorityscore=0 impostorscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2609040000 definitions=main-2609230048 On Thu, Sep 03, 2026 at 11:29:52AM +0100, Muhammad Usama Anjum wrote: Hi Muhammad, > I've the patches here [3] for arm64 conversion which I used to find > usages in generic code which I missed during development. These would be > sent separately. > > [1] https://lore.kernel.org/all/6110202c-057b-4701-8c04-1a76ee7bb9ab@arm.com/ > [2] https://lore.kernel.org/all/a063f6c5-2785-4a9f-8079-25edb3e54cef@arm.com > [3] https://gitlab.arm.com/linux-arm/linux-us/-/commits/pte0_arm I checked [3] with s390 and also against our lazy mmu implementation and it looks okay. However, is there a particular reason this series is against mm-new? Should it be against the master, it would be easier for me to try it in our CI. > Thanks, > Usama Thanks!