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 C5900C7619A for ; Tue, 11 Apr 2023 19:04:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229661AbjDKTEe (ORCPT ); Tue, 11 Apr 2023 15:04:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50702 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229643AbjDKTEa (ORCPT ); Tue, 11 Apr 2023 15:04:30 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 11FB03C31 for ; Tue, 11 Apr 2023 12:03:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1681239822; 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=RxO1n2PWxys5TFVibtUzDwp6ndZRuDOsr/RkUx0+dQ0=; b=EM5Si4q9R9MT9CWrN4WcDwXJO76dhE0VoS4Tt5/UaXKROA3R+bXQ7pjhy+3/ReXq/nqryA fmoVV+QDMzDQyWYcuImasM+RKXQjZZjr0koXnZKpeSNnDIz2omWKNW6HhsQb3yr9g/AyV+ YCAH0goFFMKEVtYwKJHVqn6auzWNxCY= Received: from mail-qv1-f72.google.com (mail-qv1-f72.google.com [209.85.219.72]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-503-48DQgEx5PAGzmOGZmvqz2w-1; Tue, 11 Apr 2023 15:03:41 -0400 X-MC-Unique: 48DQgEx5PAGzmOGZmvqz2w-1 Received: by mail-qv1-f72.google.com with SMTP id 6a1803df08f44-5eee59cadefso1013446d6.1 for ; Tue, 11 Apr 2023 12:03:41 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1681239820; x=1683831820; 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=RxO1n2PWxys5TFVibtUzDwp6ndZRuDOsr/RkUx0+dQ0=; b=jnYZnbPPMFFCHRGN41nPgwLbvj+Z0eDH+hiLu+1kBOFJuBJXcOydJHN1e68mrFH2lu nd73GmD87x1xqGwXbVWbO76QsIPYjCCtljumBtcSRV1VMjPYaS0VCClyD54UB/ljB+zH G3VMFfkbfxHaASa6yor0te8Eho6bseXQavxYdYCwCykMjxhsJ8FfG19PHezMQ4rEajBt Y5pNmKZiTxnwmCEtIUGrixJy6w7ynmLfA5jzt51URrt/CjWhxwrqrslS1PbszOUE9VFA au6Y8kRFZT3Z5khMo67xKN5S7FFki7yfd9PyjQCGoobzYFzZTzECWTnDaVEPbIkST1Lp Edfg== X-Gm-Message-State: AAQBX9eA8EpwuHaT5Toimdyc7tcCiUggD+Avw0xjN5SKTS9/QMb4Bim/ t7sh52gz2fk/hoLMy+6h3889U9hkNt641UZTKeeyHDJeHrXHBskFU+/Nq6DPMA+GCQfSbBwuIZg ODNBEaWd/FLOa/7lSJs9qR+Yx X-Received: by 2002:a05:6214:3016:b0:5df:55b5:b1a with SMTP id ke22-20020a056214301600b005df55b50b1amr294205qvb.4.1681239820615; Tue, 11 Apr 2023 12:03:40 -0700 (PDT) X-Google-Smtp-Source: AKy350Y6QOiRlYeQAmlr91U5Ze9LR4gX32PPzEF3QLXPxjseSyjVWH5jZY/RSGgRKUCXmiA3/yHu9g== X-Received: by 2002:a05:6214:3016:b0:5df:55b5:b1a with SMTP id ke22-20020a056214301600b005df55b50b1amr294129qvb.4.1681239819739; Tue, 11 Apr 2023 12:03:39 -0700 (PDT) Received: from x1n (bras-base-aurron9127w-grc-40-70-52-229-124.dsl.bell.ca. [70.52.229.124]) by smtp.gmail.com with ESMTPSA id m14-20020a05621402ae00b005ea34e69373sm2334001qvv.37.2023.04.11.12.03.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 11 Apr 2023 12:03:39 -0700 (PDT) Date: Tue, 11 Apr 2023 15:03:37 -0400 From: Peter Xu To: Mike Rapoport Cc: David Hildenbrand , Axel Rasmussen , Mike Kravetz , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Andrew Morton , Andrea Arcangeli , Leonardo Bras Soares Passos , Mike Rapoport , Nadav Amit Subject: Re: [PATCH 10/29] selftests/mm: Test UFFDIO_ZEROPAGE only when !hugetlb Message-ID: References: <20230330155707.3106228-1-peterx@redhat.com> <20230330160714.3106999-1-peterx@redhat.com> <20230331183726.GD12460@monkey> 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 Fri, Apr 07, 2023 at 12:42:29PM +0300, Mike Rapoport wrote: > > +/* > > + * Registers a range with MISSING mode only for zeropage test. Return true > > + * if UFFDIO_ZEROPAGE supported, false otherwise. Can't use uffd_register() > > + * because we want to detect .ioctls along the way. > > + */ > > +static bool > > +uffd_register_detect_zp(int uffd, void *addr, uint64_t len) > > Let's spell out 'zp' as zeropage, what do you say? Definitely can do. :) Thanks, -- Peter Xu