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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 626EBC021B3 for ; Fri, 21 Feb 2025 15:36:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=Rjn/XsdELQyVcH/LFgFRj5wTVV97SpqSwpexgK7vwaw=; b=2faTNKxZ+Wy0H7++xQZP+ai1Hq BGoeRyIPKExs/tB+gnNW551VswtpBgJYJgQ/MPTbSkJgKqk2JgSgW6m8pbayD1VfdBcdSmfVNqfYc v63AaZ065xCYQUrwCkrEuC8UM7g66kwDU3UARfTt5Keq7vvj9iL+aJJge089TNkvz1aSk+5QsI0nc Qg6fGUse1ms0WohT7Fm1917n8+JaPjkeheRbE+GcaizDSNCENQS9VqrsA0pf3izN/JFQS5JUOwnEV 7f20QEB84xaZhxbs7GXJv0V9C+JO7OQobLpC90NyvFSAeDWfOWQB4CYuYhNutvfOa/awTSNFY8vyz 6lat0Y5g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tlV58-0000000605t-0mkA; Fri, 21 Feb 2025 15:36:50 +0000 Received: from desiato.infradead.org ([2001:8b0:10b:1:d65d:64ff:fe57:4e05]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tlV3f-00000005zuI-3eqI for linux-arm-kernel@bombadil.infradead.org; Fri, 21 Feb 2025 15:35:19 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; 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=Rjn/XsdELQyVcH/LFgFRj5wTVV97SpqSwpexgK7vwaw=; b=iKOv+cCyHfDk9C0NoFTdNUxxcX 06fQQF+f3Deoo7Q9+V/0bShY5dPywOmk7tnyTX8i+itucqDWCZbgQqNPaZktNxPyMeqpikdA+fKtS ylGSjF4+4zF4pcFLjTKZvlF/o4zKUOLQ7LHXyxsYc0GwKp2yklE8gY9dm28L1/rFE+rg5HI/gN8mi wa7h/AXR7+wmnM2rln8z1rtnNGBGnuhOmgJNMeNJIhkyELpsYkT/OQ+qMAfCCx3JfFtp9vBsvkY0K xwH1IsPqdqRYvDKHd/khqM8JU5cF6Wa1lusYOS8iGzEAlGX7ne8A+sDQTKd5g0T2UL67u5TdwWk3A Y2/vu/lw==; Received: from dfw.source.kernel.org ([2604:1380:4641:c500::1]) by desiato.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tlV3c-00000002fXW-1qTO for linux-arm-kernel@lists.infradead.org; Fri, 21 Feb 2025 15:35:18 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 723CC5C6618; Fri, 21 Feb 2025 15:34:33 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id F23FBC4CEE2; Fri, 21 Feb 2025 15:35:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1740152112; bh=HFbveIpxBrHCezKac0bPWSUzZSYqbqkw6nidRl1Irxw=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=OJgfNl3Sv/k0lydbFfAJYgv48UkwUsory7TtVR7CJC2KaUy1qnINNOVZQNyroUwIo 4gCbF80U7wG3xjOoA3a1x0W/aaCPasW6C15q+rv2vkLFXGQH0Jzc7R80BrLAkfil4g bAlfxN3obgLbfIXOYbxTU31OZYYfTXK23XDduDlCRAlEDywHoSsO80l97q2axSx/5v Gk9K9uj/rYb/+c2amOJzh9MoOnkEWIyXezml8hqnqxtzH6JYiyraS0sY9KukmdnohL vq6LFXxcDtuPVqarCPx8m2IKzBaHcDfxVxJ1eloXdL/smXMkl4LII1kc0fSgYGSASY 5WeNkluJ8/1xA== Date: Fri, 21 Feb 2025 15:35:02 +0000 From: Will Deacon To: Catalin Marinas Cc: Ryan Roberts , Huacai Chen , WANG Xuerui , Thomas Bogendoerfer , "James E.J. Bottomley" , Helge Deller , Madhavan Srinivasan , Michael Ellerman , Nicholas Piggin , Christophe Leroy , Naveen N Rao , Paul Walmsley , Palmer Dabbelt , Albert Ou , Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Christian Borntraeger , Sven Schnelle , Gerald Schaefer , "David S. Miller" , Andreas Larsson , Arnd Bergmann , Muchun Song , Andrew Morton , Uladzislau Rezki , Christoph Hellwig , David Hildenbrand , "Matthew Wilcox (Oracle)" , Mark Rutland , Anshuman Khandual , Dev Jain , Kevin Brodsky , Alexandre Ghiti , linux-arm-kernel@lists.infradead.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 0/4] Fixes for hugetlb and vmalloc on arm64 Message-ID: <20250221153501.GD20567@willie-the-truck> References: <20250217140419.1702389-1-ryan.roberts@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250221_153516_951936_2BD52D26 X-CRM114-Status: GOOD ( 23.75 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, Feb 19, 2025 at 07:10:32PM +0000, Catalin Marinas wrote: > Will, Ryan, > > On Mon, Feb 17, 2025 at 02:04:13PM +0000, Ryan Roberts wrote: > > This series contains some fixes for hugetlb on arm64, and is split out from v1 > > of a wider series at [1]. While the last patch is technically targetting core-mm > > and is not directly related to arm64, I'd like to to go via the arm64 tree so > > that the wider performance improvement series (v2 to be posted shortly) that > > depends on this series doesn't have to be robust to the fix not being present. > > > > I've included maintainers/reviewers for all the arches that are (trivially) > > touched due to the API changes, hoping for some ACKs. > > These fixes look fine to me and I think we should get them in for 6.14. > I think Andrew was ok with them going in via the arm64 tree: > > https://lore.kernel.org/linux-arm-kernel/20250205235219.3c3a4b968087d1386d708b04@linux-foundation.org/ I think the diffstat looks worse than it really is, as the arch changes are reasonably mechanical. I'd like to let it sit in next for a few days though, so I'll pick this up once we've resolved my comment on patch #2. Ryan -- did you find all of these issues by inspection, or are you aware of anybody hitting them in practice? Will