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 87B6BC64ED6 for ; Tue, 28 Feb 2023 01:25:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229783AbjB1BZw (ORCPT ); Mon, 27 Feb 2023 20:25:52 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36028 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229547AbjB1BZu (ORCPT ); Mon, 27 Feb 2023 20:25:50 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8BFE028856 for ; Mon, 27 Feb 2023 17:25:47 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 41794B80DD2 for ; Tue, 28 Feb 2023 01:25:46 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 640A6C433EF; Tue, 28 Feb 2023 01:25:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1677547544; bh=kmjqpySMhE16uFWHoYoNjT55OARJoXTSrw91rhPkC5A=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Xg1djx+zsnCP1WarW2dmdsY73vCUduoAuuLQRd+ITn9BZDhj+v11d50C0+lqDQwl2 ey8geH/KKNwFgPtESRt/iW/nggiHrWaqlw1hxCNNvdRRkf1wvzKPa+jpZkeC7siU16 CttMYv4mIYaAWCYztCa0+UImhtGn4oXH78tV+EuaYljFZ1yv3BR9/ZAyEM8sqkhYsH scwuWIsdTH3UJREcUlm/gQ8eoYXa6bDKMVObQGY8FcYI0Ev4SdmQDsgeakmC9/ngde mrGaGjdiu9hlZysBoVkkbITZ8OzTL+4fZ+Jrfr6ND9r4AsgZFGxLw7fCUX6OGtp+6U 4f2OTpaq/qyGQ== Date: Mon, 27 Feb 2023 18:25:41 -0700 From: Keith Busch To: Andrew Morton Cc: Keith Busch , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Bryan O'Donoghue Subject: Re: [PATCH] dmapool: push new blocks in ascending order Message-ID: References: <20230221165400.1595247-1-kbusch@meta.com> <20230225204239.21f1e1ab9c9523f803d9624c@linux-foundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230225204239.21f1e1ab9c9523f803d9624c@linux-foundation.org> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Feb 25, 2023 at 08:42:39PM -0800, Andrew Morton wrote: > On Tue, 21 Feb 2023 08:54:00 -0800 Keith Busch wrote: > > > Some users of the dmapool need their allocations to happen in ascending > > order. The recent optimizations pushed the blocks in reverse order, so > > restore the previous behavior by linking the next available block from > > low-to-high. > > As I understand it, this fixes the only known issues with patch series > "dmapool enhancements", v4. So we're good for a merge before 6.3-rc1, > yes? Okay, I think this is good to go to merge now. My local testing also show this fixes the megaraid issue that Guenter reported on the other thread, so I believe this does indeed fix the only reported issues with the dmapool enhancements. .