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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 5995FC982FA for ; Tue, 22 Sep 2026 12:55:01 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 5B9ED6B009B; Tue, 22 Sep 2026 08:55:00 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 56B6A6B009D; Tue, 22 Sep 2026 08:55:00 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 459C06B00B2; Tue, 22 Sep 2026 08:55:00 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0012.hostedemail.com [216.40.44.12]) by kanga.kvack.org (Postfix) with ESMTP id 257886B009B for ; Tue, 22 Sep 2026 08:55:00 -0400 (EDT) Received: from smtpin30.hostedemail.com (lb01a-stub [10.200.18.249]) by unirelay03.hostedemail.com (Postfix) with ESMTP id 1DB61A04B5 for ; Tue, 22 Sep 2026 12:54:59 +0000 (UTC) X-FDA: 85241393118.30.ED91C57 Received: from mta1.migadu.com (out-124.mta1.migadu.com [95.215.58.124]) by imf13.hostedemail.com (Postfix) with ESMTP id 15C2A2000D for ; Tue, 22 Sep 2026 12:54:56 +0000 (UTC) Authentication-Results: imf13.hostedemail.com; dkim=pass header.d=linux.dev header.s=key1 header.b=X4Z4+Hko; spf=pass (imf13.hostedemail.com: domain of usama.arif@linux.dev designates 95.215.58.124 as permitted sender) smtp.mailfrom=usama.arif@linux.dev; dmarc=pass (policy=none) header.from=linux.dev ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1790081697; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=qkgH+ro7+wbDdoQrg8BtY3ruF9+iovRZJlYnC4aEjPE=; b=rJhar7dxcx5YX4lhwmpi8nz3Fa40Azu2TwSgfp1CGp1uAHgeRXY52eN8BB1mU3Ss0Gtvrt z/mKbyh/TQ0gobnvqX4GafI+gXUGm9IfQRSEJ5v2h808cqsQolOQVXyi4yQuv75DIY0xbu nIC9h+z3r/Fn6savS4xLy3iNHWISIA4= ARC-Seal: i=1; a=rsa-sha256; d=hostedemail.com; s=arc-20220608; cv=none; t=1790081697; b=kk887CVJ950sNen9Q1i7X4nMU2GHD0PltvrIh4+87o+gsHuPS3c+wO6vD9KpIoCMwPuzrA uehBHMlVYP992dVB7jEiqPQv7VjGLP20JoqPHdULnhldzVir/+whhqxCug11gEIVBSjAjW ytr+f8/+HSSKo8I8PzXQ7PeH05YiPyE= ARC-Authentication-Results: i=1; imf13.hostedemail.com; dkim=pass header.d=linux.dev header.s=key1 header.b=X4Z4+Hko; spf=pass (imf13.hostedemail.com: domain of usama.arif@linux.dev designates 95.215.58.124 as permitted sender) smtp.mailfrom=usama.arif@linux.dev; dmarc=pass (policy=none) header.from=linux.dev X-Envelope-To: linux-mm@kvack.org DKIM-Signature: a=rsa-sha256; bh=FFxHiQYcjgILl+Zqr38rhbNvEsrzzjIqXE46oCelFqg=; c=simple/simple; d=linux.dev; h=from:to:subject:date:message-id:mime-version:content-type; s=key1; t=1790081695; v=1; x=1790686495; b=X4Z4+HkoL/GUjapbPGa6pyqQyIgNql7/xCdBdGDhzNdJ2YVOJ297ziJJCzb29YUrCo9C5q2k QJCCpTkZo92VxAEG/8vEwggGsn/yVMAIXJ8Bsnp5QJx5xCAuFyKEBqYcteBJBM2/axzq6kbjlix yqPK1R5natYWXCjhgwPDCV7Y= X-Envelope-To: linux-mm@kvack.org Received: by smtp.migadu.com with ESMTPS id 84d8d0402c82fe38; Tue, 22 Sep 2026 12:54:55 +0000 X-Mizu-Trace-ID: 84d8d0402c82fe38 X-Migadu-Flow: FLOW_OUT Message-ID: <4659ea28-19fc-45ee-804e-1cc7091f4bbd@linux.dev> Date: Tue, 22 Sep 2026 13:54:50 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [RESEND v7 07/29] x86: mm: add PMD swap-exclusive helpers To: "David Hildenbrand (Arm)" , Andrew Morton , chrisl@kernel.org, kasong@tencent.com, ljs@kernel.org, ziy@nvidia.com, linux-mm@kvack.org Cc: ying.huang@linux.alibaba.com, Baoquan He , willy@infradead.org, youngjun.park@lge.com, hannes@cmpxchg.org, riel@surriel.com, shakeel.butt@linux.dev, alex@ghiti.fr, kas@kernel.org, baohua@kernel.org, dev.jain@arm.com, baolin.wang@linux.alibaba.com, Nico Pache , "Liam R. Howlett" , ryan.roberts@arm.com, Vlastimil Babka , lance.yang@linux.dev, linux-kernel@vger.kernel.org, nphamcs@gmail.com, shikemeng@huaweicloud.com, yosry@kernel.org, qi.zheng@linux.dev, luizcap@redhat.com, kernel-team@meta.com, Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org References: <20260914122950.3283997-1-usama.arif@linux.dev> <20260914122950.3283997-8-usama.arif@linux.dev> <0df7e349-9d11-461f-8b8b-68bbddbe1f3d@kernel.org> Content-Language: en-US From: Usama Arif In-Reply-To: <0df7e349-9d11-461f-8b8b-68bbddbe1f3d@kernel.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspam-User: X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: 15C2A2000D X-Stat-Signature: 83bakta1g9z6sb8mpu6i4uk8djkzsqy9 X-HE-Tag: 1790081696-483683 X-HE-Meta: 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 gpKTOXaH ygSvNAE7ZhOPtW4HKGWKitueJ+qSWr4+aZUWqESoPmclI1wf+x27NxXGBcu3UJOdRHWI6BCrvmOjbZLQW853sW6xdn/QHGDIZf64HKLNn58O4sjgMoCU9r4gkEO+LzJVhB9BSVuXEMy0UEKvXkAHtF8nG+X8MB8CxWy77ah8AVakqPihe/QpWxUzXR+X7FJ3bu88NrBBmuTkGRc+K+NTUYWVh6eqroO4K3P7f6bNrycuEdIf40/e8MfRGYF4ijyEPhR6CNVil9o14O1Xlq5dl/W9XMg== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 18/09/2026 22:43, David Hildenbrand (Arm) wrote: > On 9/14/26 14:27, Usama Arif wrote: >> A later patch keeps a PMD-mapped anonymous THP mapped by a PMD across the > > As a general note, we try not to talk about "this patch" or "later patches". > > Instead, just say "Prepare for X by doing Y.". Ack, I have started all these patches with "Prepare for keeping a PMD-mapped anonymous THP mapped by a PMD across the swap round-trip..."