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 C5B87C433F5 for ; Fri, 3 Dec 2021 06:59:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1378737AbhLCHDG (ORCPT ); Fri, 3 Dec 2021 02:03:06 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:47838 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345605AbhLCHDF (ORCPT ); Fri, 3 Dec 2021 02:03:05 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1638514781; 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=KE0+9VTqUtutX9N/PKRYwD8dprp7IA/RPBuLlGpqS5s=; b=S/gTRCAtr52b94lKtWZ9hAlnN+NV/F+PlJ29Q8aMXsshH97IwrS9aSuodag3NRi9cB0uqp bi1prjeXp5ygmuaOfus4SH4zR4roOgl0oVIGGsK/+ixVbPnZfKs9kigd0BwwE/UtKTd0Zp 2L2W42FCJIqXK0e5LTVDfS9H8X3GzGw= Received: from mail-wm1-f69.google.com (mail-wm1-f69.google.com [209.85.128.69]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-408-xsPI_-_ANTWtj0v1JQwH0w-1; Fri, 03 Dec 2021 01:59:38 -0500 X-MC-Unique: xsPI_-_ANTWtj0v1JQwH0w-1 Received: by mail-wm1-f69.google.com with SMTP id ay34-20020a05600c1e2200b00337fd217772so942072wmb.4 for ; Thu, 02 Dec 2021 22:59:37 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=KE0+9VTqUtutX9N/PKRYwD8dprp7IA/RPBuLlGpqS5s=; b=Ll47nOCXwChMro4ayvjksrAU5YVxnA28gLCUu8LimJaAKItvsIKz7ieeeGUT6Kz9Zn ujU5nBWY3FeEfwkXoIMkHrqZ3jMSPqS3AT+gyhfHECbbP9XjX58YTJgNz28dArKeYZOe xEHSMPWe7LI5YBd8iDk8IC0wPxJ/4Vyu0yF8S35uCqjj+qN6hM0wFFdgFueESnn7xw+9 aaIyDp+fZxD5c2lGJgAqTqq6QP1OW0qbQuaUPrmsh3uzJmzyYCilgsXFIc474OTnapHM KkUT9WZ4aCWlcLcwHoJ1cqWhGHYkBUwSh+RmJZP7xbaBk4tFo1pj0TuJNsqZgLUj3z3f tmfw== X-Gm-Message-State: AOAM5306KpiUkb/YE6Eij+h9eOm/LSmT7bujAnQAKjDQRZHMi8lE6S0q 1gi8T4UBxnyGy7iakNBNUaAp1IW2qKA1LSOQRbo/VKOgow1FJGuFsziymmvbrYC9rHJZIFKEpsY nKL9PGtM+SRbDX8B5OlA2RWJg X-Received: by 2002:a1c:1903:: with SMTP id 3mr12641390wmz.89.1638514777012; Thu, 02 Dec 2021 22:59:37 -0800 (PST) X-Google-Smtp-Source: ABdhPJzDvEuQtuInBoFLdJ/X94tFtHj0cyBmHwQq+fzE9Q5jUVeCVwUUXYjORfnYYPAJ1RcNp9uiaA== X-Received: by 2002:a1c:1903:: with SMTP id 3mr12641369wmz.89.1638514776774; Thu, 02 Dec 2021 22:59:36 -0800 (PST) Received: from xz-m1.local ([64.64.123.26]) by smtp.gmail.com with ESMTPSA id u15sm1526782wmq.13.2021.12.02.22.59.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 02 Dec 2021 22:59:36 -0800 (PST) Date: Fri, 3 Dec 2021 14:59:30 +0800 From: Peter Xu To: Alistair Popple Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, David Hildenbrand , Andrea Arcangeli , Yang Shi , Vlastimil Babka , Hugh Dickins , Andrew Morton , "Kirill A . Shutemov" Subject: Re: [PATCH RFC v2 1/2] mm: Don't skip swap entry even if zap_details specified Message-ID: References: <20211115134951.85286-1-peterx@redhat.com> <5393877.lttFOZEo4r@nvdebian> <11226930.BYJfa7kJGD@nvdebian> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <11226930.BYJfa7kJGD@nvdebian> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Dec 03, 2021 at 04:33:43PM +1100, Alistair Popple wrote: > Thanks. That was the detail I was trying to figure out. Ie. why might something > want to skip swap entries. I will spend some more time looking to be sure > though. Sure, please take your time, and thanks again for working together on this. -- Peter Xu