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 5A966C77B7D for ; Wed, 17 May 2023 18:40:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229751AbjEQSkj (ORCPT ); Wed, 17 May 2023 14:40:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37026 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229454AbjEQSkh (ORCPT ); Wed, 17 May 2023 14:40:37 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 296232134 for ; Wed, 17 May 2023 11:39:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1684348785; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=wDwTEAQnINvjnEbZP5xDG/iVDh3xkCCQxQmpV/hFkq8=; b=HmfBCIVTWAzz4snI7bktNdvBBivfQygPNLS3sx9/bj42lZiAjHWJinikqhCniXsHO/Nmwq R7XTN0PukI5/XfQsVRy3vnoSmehA6JP5aI7cnOhrETxNYPUdIbSiQcq2afggperHY/6Zr/ juBO91pv0QUrdZvgcG8PELz9h7s/2EU= Received: from mail-qt1-f200.google.com (mail-qt1-f200.google.com [209.85.160.200]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-470-H9rUM7MzN26fqPeq_pkUHg-1; Wed, 17 May 2023 14:39:42 -0400 X-MC-Unique: H9rUM7MzN26fqPeq_pkUHg-1 Received: by mail-qt1-f200.google.com with SMTP id d75a77b69052e-3f393bf5546so2287841cf.1 for ; Wed, 17 May 2023 11:39:41 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1684348781; x=1686940781; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=wDwTEAQnINvjnEbZP5xDG/iVDh3xkCCQxQmpV/hFkq8=; b=MNxublco28Hqym4Y6sRGt/FNll/nsIGig2yCQXcExmnK81LRrbgmdKYP/s+WFMYVlT AU5+Zooayt/tHjOoexJ8WwagdJ4zePCqcIBdyDWV0XgLW7joUzNqCMZD8B+y5YqvO++W 7vf+sPYKUKtPhlh40dYHPq+EMFRR0PpxobNzIcWMm/NlNIB//Bom650sYnzNTgHnhCTs 17NJXEVVMcpzAPZ9OkJ7kDBTOoEtIZ8SXV8Bd5yCqjh2ZM8m7haff6TXxWcBxNnXbjnB n3Nziy4wn4fE7eKc7EouRDWBHW67d4u/FOMUIGAvaq71QYvorTWSgW9UEBr8JXq8GqGY pQng== X-Gm-Message-State: AC+VfDzeuojqcJwuauCF/yVIAT1CaNabtZA5gZWrdqM04x18OiZ5j53U WU9ktDQKBgSrB4Ub12t6jX7GXBRizEdbe8Xnmun+5JfyDanHXU60cLUfqlR5Ld7aCmQG8XNO1/W L1oRMTi1BMvDyGRcxMNLM5GBR X-Received: by 2002:a05:622a:189e:b0:3f5:99e:d7d4 with SMTP id v30-20020a05622a189e00b003f5099ed7d4mr6386662qtc.1.1684348781423; Wed, 17 May 2023 11:39:41 -0700 (PDT) X-Google-Smtp-Source: ACHHUZ7npnxMYaFPMdez4XnpRaMmAS6FkMcdldYw8nV0EQ28btS8JdEbLrqbrGm2Y5o1ja5g9B0pJQ== X-Received: by 2002:a05:622a:189e:b0:3f5:99e:d7d4 with SMTP id v30-20020a05622a189e00b003f5099ed7d4mr6386634qtc.1.1684348781213; Wed, 17 May 2023 11:39:41 -0700 (PDT) Received: from x1n (bras-base-aurron9127w-grc-62-70-24-86-62.dsl.bell.ca. [70.24.86.62]) by smtp.gmail.com with ESMTPSA id k21-20020a05620a143500b0075954005b46sm814944qkj.48.2023.05.17.11.39.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 17 May 2023 11:39:40 -0700 (PDT) Date: Wed, 17 May 2023 14:39:39 -0400 From: Peter Xu To: Lorenzo Stoakes Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, Andrew Morton , "Liam R . Howlett" , Mark Rutland , Andrea Arcangeli , Mike Rapoport , Alexander Viro , linux-stable Subject: Re: [PATCH 2/2] mm/uffd: Allow vma to merge as much as possible Message-ID: References: <20230517150408.3411044-1-peterx@redhat.com> <20230517150408.3411044-3-peterx@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, May 17, 2023 at 06:23:18PM +0100, Lorenzo Stoakes wrote: > Maybe a Reported-by me since I discovered the fragmentation was already > happening via the repro? :) Sure! I'll add it when/if there's a repost. Thanks. -- Peter Xu