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]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2852DC433F5 for ; Fri, 3 Dec 2021 07:00:03 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 94C6D6B0072; Fri, 3 Dec 2021 01:59:52 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 8FBD56B0074; Fri, 3 Dec 2021 01:59:52 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 79C476B0075; Fri, 3 Dec 2021 01:59:52 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0168.hostedemail.com [216.40.44.168]) by kanga.kvack.org (Postfix) with ESMTP id 66D276B0072 for ; Fri, 3 Dec 2021 01:59:52 -0500 (EST) Received: from smtpin25.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id 2A5521838E53A for ; Fri, 3 Dec 2021 06:59:42 +0000 (UTC) X-FDA: 78875582604.25.D4B7DC7 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by imf26.hostedemail.com (Postfix) with ESMTP id B806C20019D3 for ; Fri, 3 Dec 2021 06:59:41 +0000 (UTC) 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-wr1-f71.google.com (mail-wr1-f71.google.com [209.85.221.71]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-393-pvqUGbVCO72gx0HZEv4uxA-1; Fri, 03 Dec 2021 01:59:38 -0500 X-MC-Unique: pvqUGbVCO72gx0HZEv4uxA-1 Received: by mail-wr1-f71.google.com with SMTP id r2-20020adfe682000000b00198af042b0dso351075wrm.23 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=SvU0A70uDANf/bvTCYxDzjHrpAPxA6LDXoo2DRXH/Dn2lFKYpfP++gdbEBcdwYwRdR C5XvFgBvoTrGYWE8apyJYG+vy6XS2YqmuC8P7fAKssyo0DgwSISeBfCaLm5tN1HeOC2i QnVtnlyILyw/igkiVYDiA5eX1/DSJKLEoAWRzT5eF1g7hifG0cnfYISw+WObVOoBeIe4 qsyvy4fhKASMpHY84BUhSQsrkEgT+b1AlwKMNWHm6FL5WbNq49tEaa2n3xQ1k/69lduR QGLWppEF/9rjHn1xTZqSLrLLOiT2kUoSpMal38oX/znQIX7YlvUg1FQx0juwvX+m8bHd C7dQ== X-Gm-Message-State: AOAM53138ffHh0yrY3Ojy6W+EZIWVRfwVWOXK5PUOCyH9ubvt+R8QYpe oHWKP2kktUoJe4WB5TI4/2DVpaNTEpaMOVzY2BZTDcWqwJOg3sBZDEBJPbTySG4tWuP99De8DG5 rLgAcYGnHziM= X-Received: by 2002:a1c:1903:: with SMTP id 3mr12641389wmz.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 In-Reply-To: <11226930.BYJfa7kJGD@nvdebian> X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Disposition: inline X-Stat-Signature: xhfbbsfh7ackptszqqkjbj4jneks5p74 Authentication-Results: imf26.hostedemail.com; dkim=pass header.d=redhat.com header.s=mimecast20190719 header.b="S/gTRCAt"; spf=none (imf26.hostedemail.com: domain of peterx@redhat.com has no SPF policy when checking 170.10.129.124) smtp.mailfrom=peterx@redhat.com; dmarc=pass (policy=none) header.from=redhat.com X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: B806C20019D3 X-HE-Tag: 1638514781-410018 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: 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