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 72326CD4F5B for ; Tue, 19 May 2026 20:17:48 +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:Content-Transfer-Encoding: Content-Type:Mime-Version:References:In-Reply-To:Message-Id:Subject:Cc:To: From:Date:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=JgwMblJfIxEmaANWEuRgc49UNNTEJj4iwpCYVZQxH64=; b=wT4wV57KUO3M/WT8VNixdV4+lc g+pK6U35q1oNnMmV/QlsoSwCnqpLPp2o32lXlF1Wh2shpYvjUcsBJRpnS+ox65snur3e5kqujrTVF 6+BQ5Cq53RLmrc7f0Oll7cPfMBgrTDl/w38qpA2KjIrxLjbfjC0ccbamxfGQHCjJw1WPnNqoRXfI2 eheiRr9IKWTR+2GIZzHQlYBi8uouWHDfz9IC1IFbkAl+lh6+pfw15UXLRbo8qjT2yv0IPbrtXbLIz rzjQB7XWdQ7vWsJe/Zmvu55MC3mC7vWooqrtMmKM0tQ0TtQzLc6/pZ1dSSczuvW1s5VeUPCUTFLxM 0JCH/91w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wPQso-00000002hUQ-1vv3; Tue, 19 May 2026 20:17:42 +0000 Received: from tor.source.kernel.org ([172.105.4.254]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wPQsm-00000002hUC-481L for linux-arm-kernel@lists.infradead.org; Tue, 19 May 2026 20:17:41 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with ESMTP id 14C1260216; Tue, 19 May 2026 20:17:40 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 503B81F000E9; Tue, 19 May 2026 20:17:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux-foundation.org; s=korg; t=1779221859; bh=JgwMblJfIxEmaANWEuRgc49UNNTEJj4iwpCYVZQxH64=; h=Date:From:To:Cc:Subject:In-Reply-To:References; b=BS7h5UyLvMIY/o09LiVQZ5odLA7cvPjyIpzG2hY0oyp57jnKokHf9goMsQ8jOlvwn 7J7BT1MuRvlHydrdp9IFLZAzIyrf3jwDV7jsK4nsYIh2N7RHXQ9Q6NRwcF2yuVOzTm srRO+peKwLofUYR8xTKXKos1EE0OUwgvE+G13Kp8= Date: Tue, 19 May 2026 13:17:38 -0700 From: Andrew Morton To: Wen Jiang Cc: linux-mm@kvack.org, linux-arm-kernel@lists.infradead.org, catalin.marinas@arm.com, will@kernel.org, urezki@gmail.com, baohua@kernel.org, Xueyuan.chen21@gmail.com, dev.jain@arm.com, rppt@kernel.org, david@kernel.org, ryan.roberts@arm.com, anshuman.khandual@arm.com, ajd@linux.ibm.com, linux-kernel@vger.kernel.org, Wen Jiang Subject: Re: [PATCH v2 0/7] mm/vmalloc: Speed up ioremap, vmalloc and vmap with contiguous memory Message-Id: <20260519131738.11a78ba88e1be28ba5cb26eb@linux-foundation.org> In-Reply-To: <20260514094108.2016201-1-jiangwen6@xiaomi.com> References: <20260514094108.2016201-1-jiangwen6@xiaomi.com> X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable 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 Thu, 14 May 2026 17:41:01 +0800 Wen Jiang wro= te: > This patchset accelerates ioremap, vmalloc, and vmap when the memory > is physically fully or partially contiguous. >=20 > ... >=20 > On the RK3588 8-core ARM64 SoC, with tasks pinned to a little core and > the performance CPUfreq policy enabled, benchmark results: >=20 > * ioremap(1 MB): 1.35=D7 faster (3407 ns -> 2526 ns) > * vmalloc(1 MB) mapping time (excluding allocation) with > VM_ALLOW_HUGE_VMAP: 1.42=D7 faster (5.00 us -> 3.53us) > * vmap(100MB) with order-8 pages: 8.3=D7 faster (1235 us -> 149 us) Nice. AI review found a bunch of things to ask about: https://sashiko.dev/#/patchset/20260514094108.2016201-1-jiangwen6@xiaomi.c= om It doesn't appear that you'll be getting any more review on this series, so please check the above questions and resend?