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 D1634FF8864 for ; Thu, 30 Apr 2026 03:26:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To:References:Date: Message-Id:From:Subject:MIME-Version:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=mnxM4evBvWQUZi9Oq9mXA93N1GC2asrxcILr1AQH+pU=; b=31z9J+ygOSG9/4 vWkUm0pnd3Dvu/LF/WerhebsqhodfvecL13wExCi9Z0Mj7b1EAXC5ymsfBxcisX6neW6Czdr6R3XD IruFzNBumicMjmhSGf7T3dRIngaMrK/7HrH+xI/JeGOZMLiClsPpfrzk48flQUzLhrOIEdey4+kZJ SDBPYy2A1cbPuGefJGV0b1VFM1VHGz3Qmdkh/oSKgyyOJW0KQuvZ2rvTPkM8qJ2KCTVhJZo5fnzwv G0Iy9Jj31DvCo7jSxmlQKfHOvVCz4fZT4qOgM5yLC+3MlsZ6mfwZzrBSg3l88J5BLML7/QnICg3/n OhhUnJEuPgspoDHA7IXA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1wII2u-00000004Wrw-2vzN; Thu, 30 Apr 2026 03:26:36 +0000 Received: from sea.source.kernel.org ([172.234.252.31]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1wII2H-00000004WR2-3k4o for linux-riscv@lists.infradead.org; Thu, 30 Apr 2026 03:26:04 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 83710444C0; Thu, 30 Apr 2026 03:25:57 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 662B9C2BCB8; Thu, 30 Apr 2026 03:25:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1777519557; bh=3A9sSPpTFnTSwNLnH2RiVekzHJbPnUK+mXyDzY4bjyk=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=PvM8my1IW2Yjwupoq66vKLJIr1YZ/KioPkhJQkE7eo14dAk8o2H6RNfUatGZ2Au9S 91HQM/8YvYPRiw98kHgqVpZmSf7VnKX3GtzG7tbbozHcDgaRlvxBU0lZAMm+aj7cPh qT6q1tde0FqSYSPt0N2fidtUIF1aUhoMl4reQhuruOMGgj3cRRvZeoBRiI4AEgorg0 StaKda1S6UYGl5kKlqXb2yBN8WQ8cq7wMowo/Uy/ler0ew/dVewdsp0hCgMvA54aza CunUoeLgN5/VA34GkpqJiUE2zYwO5PBQl4g1nYfrAsGa+cekkOMHiB31Rm0HDxSQeo il5OF8PZWn6WQ== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id BA3583809A07; Thu, 30 Apr 2026 03:25:13 +0000 (UTC) MIME-Version: 1.0 Subject: Re: [PATCHv7 16/18] mm: Remove the branch from compound_head() From: patchwork-bot+linux-riscv@kernel.org Message-Id: <177751951229.2274119.12563342067361093997.git-patchwork-notify@kernel.org> Date: Thu, 30 Apr 2026 03:25:12 +0000 References: <20260227193030.272078-16-kas@kernel.org> In-Reply-To: <20260227193030.272078-16-kas@kernel.org> To: Kiryl Shutsemau (Meta) Cc: linux-riscv@lists.infradead.org, akpm@linux-foundation.org, muchun.song@linux.dev, david@redhat.com, willy@infradead.org, usamaarif642@gmail.com, fvdl@google.com, osalvador@suse.de, rppt@kernel.org, vbabka@suse.cz, lorenzo.stoakes@oracle.com, ziy@nvidia.com, bhe@redhat.com, mhocko@suse.com, hannes@cmpxchg.org, corbet@lwn.net, chenhuacai@kernel.org, kernel@xen0n.name, palmer@dabbelt.com, paul.walmsley@sifive.com, aou@eecs.berkeley.edu, alex@ghiti.fr, kernel-team@meta.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, loongarch@lists.linux.dev, david@kernel.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260429_202602_802650_B2E3660C X-CRM114-Status: UNSURE ( 7.79 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org Hello: This patch was applied to riscv/linux.git (fixes) by Andrew Morton : On Fri, 27 Feb 2026 19:30:17 +0000 you wrote: > From: Kiryl Shutsemau > > The compound_head() function is a hot path. For example, the zap path > calls it for every leaf page table entry. > > Rewrite the helper function in a branchless manner to eliminate the risk > of CPU branch misprediction. > > [...] Here is the summary with links: - [PATCHv7,16/18] mm: Remove the branch from compound_head() https://git.kernel.org/riscv/c/66b2a3d9ae46 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv