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 C156AC433EF for ; Tue, 11 Jan 2022 22:57:16 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 2C1E86B00E4; Tue, 11 Jan 2022 17:57:16 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 24A056B00E5; Tue, 11 Jan 2022 17:57:16 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 0EAF76B00E6; Tue, 11 Jan 2022 17:57:16 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0076.hostedemail.com [216.40.44.76]) by kanga.kvack.org (Postfix) with ESMTP id F03E06B00E4 for ; Tue, 11 Jan 2022 17:57:15 -0500 (EST) Received: from smtpin17.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id B3E5295AF0 for ; Tue, 11 Jan 2022 22:57:15 +0000 (UTC) X-FDA: 79019518830.17.B885405 Received: from ale.deltatee.com (ale.deltatee.com [204.191.154.188]) by imf23.hostedemail.com (Postfix) with ESMTP id 2DCFD14000C for ; Tue, 11 Jan 2022 22:57:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=deltatee.com; s=20200525; h=Subject:In-Reply-To:MIME-Version:Date: Message-ID:From:References:Cc:To:content-disposition; bh=OQRrkSTzK0n2WDJnypN3nkxt91IMNAOuhsahp7OKxa8=; b=KASG806faBlkocf5OxJutxFfjt Q2Rq0vzUYgks/O2fPyDrMfuizAeXHbGXh5Izvf03QMvn2B3RwpB35Esksrmjrv85a9insfOiANy7X iy8Zrk7/owfI5HBic+G+Ixs2m099TRUxO/3SD23ZvKDo3KEkg0yAyV/iPgywJQiU89CeHexxMsYuf d7as7kWdOJ+D2EqYesK1ndcMFIVPRUxJctobC7V0jle+U2OnvCkDi3yQaOL+NpGorTTtjQQ0D1oHs EBseJaH5yao5ZC2TwuQYdDHy/OhZERMlK084dXpQB3hAka/ZxR1E3eWZrT/W5gl29sRcnbHcji1/Q gg3A1BUQ==; Received: from guinness.priv.deltatee.com ([172.16.1.162]) by ale.deltatee.com with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.94.2) (envelope-from ) id 1n7Q4i-009nqq-GT; Tue, 11 Jan 2022 15:57:09 -0700 To: Jason Gunthorpe , Matthew Wilcox Cc: linux-kernel@vger.kernel.org, Christoph Hellwig , Joao Martins , John Hubbard , Ming Lei , linux-block@vger.kernel.org, netdev@vger.kernel.org, linux-mm@kvack.org, linux-rdma@vger.kernel.org, dri-devel@lists.freedesktop.org, nvdimm@lists.linux.dev References: <20220111004126.GJ2328285@nvidia.com> <20220111150142.GL2328285@nvidia.com> <20220111202159.GO2328285@nvidia.com> <20220111225306.GR2328285@nvidia.com> From: Logan Gunthorpe Message-ID: <9fe2ada2-f406-778a-a5cd-264842906a31@deltatee.com> Date: Tue, 11 Jan 2022 15:57:07 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.14.0 MIME-Version: 1.0 In-Reply-To: <20220111225306.GR2328285@nvidia.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-CA Content-Transfer-Encoding: 7bit X-SA-Exim-Connect-IP: 172.16.1.162 X-SA-Exim-Rcpt-To: nvdimm@lists.linux.dev, dri-devel@lists.freedesktop.org, linux-rdma@vger.kernel.org, linux-mm@kvack.org, netdev@vger.kernel.org, linux-block@vger.kernel.org, ming.lei@redhat.com, jhubbard@nvidia.com, joao.m.martins@oracle.com, hch@lst.de, linux-kernel@vger.kernel.org, willy@infradead.org, jgg@nvidia.com X-SA-Exim-Mail-From: logang@deltatee.com Subject: Re: Phyr Starter X-SA-Exim-Version: 4.2.1 (built Sat, 13 Feb 2021 17:57:42 +0000) X-SA-Exim-Scanned: Yes (on ale.deltatee.com) X-Rspamd-Queue-Id: 2DCFD14000C X-Stat-Signature: uik45q6yp5ur31mi1h9yasx5hjd8x3eb Authentication-Results: imf23.hostedemail.com; dkim=pass header.d=deltatee.com header.s=20200525 header.b=KASG806f; dmarc=pass (policy=none) header.from=deltatee.com; spf=pass (imf23.hostedemail.com: domain of logang@deltatee.com designates 204.191.154.188 as permitted sender) smtp.mailfrom=logang@deltatee.com X-Rspamd-Server: rspam03 X-HE-Tag: 1641941832-962961 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 2022-01-11 3:53 p.m., Jason Gunthorpe wrote: > I just want to share the whole API that will have to exist to > reasonably support this flexible array of intervals data structure.. Is that really worth it? I feel like type safety justifies replicating a bit of iteration and allocation infrastructure. Then there's no silly mistakes of thinking one array is one thing when it is not. Logan