From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id DD00B606A322 for ; Mon, 9 Nov 2026 14:02:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=buiF/+sU; dkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com header.a=rsa-sha256 header.s=foss header.b=nLXVC7XI 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-Unsubscribe-Post:List-Owner; bh=31ISwiUcoP1nwNnlM+AcNE1UFEe5nZziDgYbUSqlYK0=; b=buiF/+sUSMSYnrgYtCJIghckTw 1WMxZAd7znUK7+f/w5L9xtAGhNEn0gn5y5NmtKAHutDZXxc9/DvQrklNUM4B/wkmiMrMeuIUTyH+h wxLBjRgpmlr18AHbN+2Dpg/F5CpwWLvJK74cAyldqdmFXGM6/5tjRnAf5FC0lki15QBier0fmxOp4 LFModlbxss0ZxfzZe4oJtaDbUG+sW1gta2a6bh/lB2paSMZRdddlMUV71hGCISnRAi/wFAHdZoHBX OUr3BpnkLjKZLswUB+g8Q+02AP8HZ42RhLQC5caxCer7drJnE884TNrsFPE+7VDtgjJxf51SRJWgx vF9mDM6w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.100.1 #2 (Red Hat Linux)) id 1xQPwr-00000000uEU-3w3g; Mon, 09 Nov 2026 14:02:13 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.100.1 #2 (Red Hat Linux)) id 1xQPwp-00000000uE1-2sd2 for linux-arm-kernel@lists.infradead.org; Mon, 09 Nov 2026 14:02:12 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id C5CE614BF; Mon, 9 Nov 2026 06:02:05 -0800 (PST) Received: from localhost (unknown [10.2.196.114]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 76CC03F632; Mon, 9 Nov 2026 06:02:08 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1794232928; bh=w9un5PJmooT1yfWMFaaQzUU8OhNkwnbnmZBSdQGnUt8=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=nLXVC7XIwT6vpEuK2LRZP1svw0GEjcPNFGmmqHhRpwzotbRQo+5ycs4hK07CKHxQL 6R9eRRQ1NlCugddQ2GCkXXcY1pHLJ/yiSdtqva4IrDvKeIIfCjaGoFInwNeNaK6nuU b8g826oaOEWo8Lcm+sywiM3CD/XY1xmWpeLwIdz0= Date: Mon, 9 Nov 2026 14:02:06 +0000 From: Leo Yan To: Wen Jiang Cc: Andrew Morton , catalin.marinas@arm.com, will@kernel.org, urezki@gmail.com, linux-mm@kvack.org, baohua@kernel.org, dev.jain@arm.com, ryan.roberts@arm.com, anshuman.khandual@arm.com, david@kernel.org, rppt@kernel.org, xueyuan.chen21@gmail.com, chleroy@kernel.org, maddy@linux.ibm.com, mpe@ellerman.id.au, npiggin@gmail.com, ajd@linux.ibm.com, jiangwen6@xiaomi.com, linux-arm-kernel@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v12 00/10] mm/vmalloc: Speed up ioremap, vmalloc and vmap with contiguous memory Message-ID: <20261109140206.GY9176@e132581.arm.com> References: <20261107134953.748622-1-jiangwenxiaomi@gmail.com> <20261108230842.3a77b9fe2d4bfc2a04b355a5@linux-foundation.org> X-Archived-By: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20261109_060211_766665_CC5BB557 X-CRM114-Status: UNSURE ( 9.61 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -4.4 (----) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" X-Spam-Status: No, score=-5.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 On Mon, Nov 09, 2026 at 07:07:23PM +0800, Wen Jiang wrote: [...] > > Do we have sufficient ARM review? > > > > Thanks for picking this up. > > On ARM review: Dev reviewed the earlier revision in detail and > his suggestions are folded in. Leo Yan tested the large vmap() path > on TRBE/SPE. We'd welcome more ARM review from Ryan, Catalin > and others. I confirmed that my Tested-by tag remains valid on the latest version. The improvement is consistent with L2D TLB refill reduced from ~16000+ to ~500+ across multiple runs. Thanks, Leo