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 E100FC54E41 for ; Wed, 6 Mar 2024 14:19:34 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 620E86B0071; Wed, 6 Mar 2024 09:19:34 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 5D0C76B0072; Wed, 6 Mar 2024 09:19:34 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 4BF886B0074; Wed, 6 Mar 2024 09:19:34 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0016.hostedemail.com [216.40.44.16]) by kanga.kvack.org (Postfix) with ESMTP id 3D96D6B0071 for ; Wed, 6 Mar 2024 09:19:34 -0500 (EST) Received: from smtpin27.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay03.hostedemail.com (Postfix) with ESMTP id 157E6A0540 for ; Wed, 6 Mar 2024 14:19:34 +0000 (UTC) X-FDA: 81866822268.27.BFA6FE3 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) by imf17.hostedemail.com (Postfix) with ESMTP id E34B240012 for ; Wed, 6 Mar 2024 14:19:30 +0000 (UTC) Authentication-Results: imf17.hostedemail.com; dkim=pass header.d=infradead.org header.s=bombadil.20210309 header.b=adopzwfB; spf=none (imf17.hostedemail.com: domain of BATV+4dba8c0e752ee08e0936+7500+infradead.org+hch@bombadil.srs.infradead.org has no SPF policy when checking 198.137.202.133) smtp.mailfrom=BATV+4dba8c0e752ee08e0936+7500+infradead.org+hch@bombadil.srs.infradead.org; dmarc=none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1709734772; 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: in-reply-to:in-reply-to:references:references:dkim-signature; bh=73xuAghPC4Z/eUTJDoMRemAMxFESv8bJnB9ykB4M4q8=; b=yHs78U13qeYiUe8QFSslncX1jVwPE/b5u3D4bypdvgvKnNH9u9y+uZAVJ9mEjIOMhyOah4 Hqx3fNO7wwDIJlsYc588ss4j12esfJtAgvpA/XKJIIhe1zCWBKgojdrPr2ZCh1F809pEV8 +WmhXmkTf0mTKH8HldH7TnFztYa9RGM= ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1709734772; a=rsa-sha256; cv=none; b=6UZvC9mGhf8dKWcrxAAjLdOMV9eTaMLNZeg6x3ZB+NAIoAp44ki0yOUTshPAqVcqf6pUYf iqLXldV4iqbuoig1L2Hk+9QMuyShq38RFhB9SCIcoAuDlgriP6MPpU6EdZbUONNsUJvTPM NZGZcBX3mYlI967CqPAgbOoR4JplrPc= ARC-Authentication-Results: i=1; imf17.hostedemail.com; dkim=pass header.d=infradead.org header.s=bombadil.20210309 header.b=adopzwfB; spf=none (imf17.hostedemail.com: domain of BATV+4dba8c0e752ee08e0936+7500+infradead.org+hch@bombadil.srs.infradead.org has no SPF policy when checking 198.137.202.133) smtp.mailfrom=BATV+4dba8c0e752ee08e0936+7500+infradead.org+hch@bombadil.srs.infradead.org; dmarc=none DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=73xuAghPC4Z/eUTJDoMRemAMxFESv8bJnB9ykB4M4q8=; b=adopzwfBlGv617jauRQSoInnIu 77opbIWOak6y+04Xy2Y+F3QGbNIIWgltPv1B3jfbmx0HGPNz1pPSQdk34qAEikc9ZvCJvZjJoAI5B J4B9N0OiI1gO/gZkRS8eqoTXwkvK5flEYDWKMk8iOeR4ragVa+2o09nY0Fql5EcW8hJ9kKVa8Gpmz QP2y2KXeWWFZWt4gymcCvxvWLgBqb2YC3ayBuRfUiR3TZl9RojL1a66pRokOSd6hA3YJwNirtwtxh 3h/D2g5+Bf0LqD+oCBVJ7oBzR43QY2QZvd61YK611orrUfX1y5/GWIe5czjMd83jpt2hhCVgnjz5K kRK3aR8g==; Received: from hch by bombadil.infradead.org with local (Exim 4.97.1 #2 (Red Hat Linux)) id 1rhs7B-00000000Xnv-0zmt; Wed, 06 Mar 2024 14:19:25 +0000 Date: Wed, 6 Mar 2024 06:19:25 -0800 From: Christoph Hellwig To: Alexei Starovoitov Cc: bpf@vger.kernel.org, daniel@iogearbox.net, andrii@kernel.org, torvalds@linux-foundation.org, brho@google.com, hannes@cmpxchg.org, lstoakes@gmail.com, akpm@linux-foundation.org, urezki@gmail.com, hch@infradead.org, rppt@kernel.org, boris.ostrovsky@oracle.com, sstabellini@kernel.org, jgross@suse.com, linux-mm@kvack.org, xen-devel@lists.xenproject.org, kernel-team@fb.com Subject: Re: [PATCH v4 bpf-next 2/2] mm: Introduce VM_SPARSE kind and vm_area_[un]map_pages(). 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See http://www.infradead.org/rpr.html X-Stat-Signature: tqiy5gwawc4ewgmua9x47mkgdzqaygx7 X-Rspamd-Server: rspam10 X-Rspamd-Queue-Id: E34B240012 X-Rspam-User: X-HE-Tag: 1709734770-391179 X-HE-Meta: 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 shw0GPPK 4fCDPmJ7nDWMC90B51QbLFXVmiPTGMBU8vJ24uPuvOCDd+gb75L6lAJoo8Jb/qNJx5X/hQB4YHNo1JdQxCWqyB2sXE9b40D9kzGPCaxwYTAu5w+VldawsWXGzANrMsdNXcxfHJWFggY5caMCyuWdIHTBqSnADtJ7z7bNhFxC2hmqx5qmJHrnXiRJg29YUybSeA9IUM5D1IuL/tXpSefF9yp0HNzqIj4EIktAsjbjrO3guy58= 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: List-Subscribe: List-Unsubscribe: I'd still prefer to hide the vm_area, but for now: Reviewed-by: Christoph Hellwig