From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=217.140.110.172 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794227810; b=vgFku/m7gdrs6XDv7L1UR67FsIEM/nOfJLh+HGBKbIwbSIEoXv+jrHpHVLSkbBeyEbec aTvHbG58OyMzDca4S2iNsAg0mcsb1EKSO3XN8LlHfbAhAm5F9lReKtwTuPb+fCLwKC6mR 5WmUtaqnMgDj5Pgb2Bz7lfF4pJjPD58tuQvYkpYrjmbNZw7oqdP1UI+d5ELR+oIsViC2a 1jtJ9TR6ZeqUjPnou+hggN+pbJo8CfLIhuYgLdVJ69Qbg6R6SvqEg0VFp9yMacsrOQGLX OTaS7NK0VqS+2ixGzhzKPlGu6T5ZW5Ab+M44BTF63HgD89lL5cPY/y4T5MLbhO8xbcg== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794227810; h=DMARC-Filter:Received:Received:DKIM-Signature:From:To:Cc:Subject: Date:Message-ID:X-Mailer:In-Reply-To:References:MIME-Version: Content-Type:Content-Disposition:Content-Transfer-Encoding; bh=7ehu9uwlN6f/BG1RO8PBmrITOSCd6PjFswkCZHpoDnw=; b=bkDzmKH6dAcTSpLZ2egbR2MwO6AFGMsN46zz7v3A6gHVUF8f3bo7xGEcXbnFtgHHDiws 1dfm48loSj/6ufthLLyN9ndysISVFXT9tqUIvlqQnILDIWdVldd0MkRgrLrrzcjO55gtL 0whffWJoxOAfzawR+9cYHgmEM9IXTKn240rFPl+B48u9NT7xJT1Qz1rDHRtUw7W1xtxp9 mQwETpmDiH3EqfLWAWY9ra97fm9d0JOE11aVTqNttXwbmar5SXzuw6mCh0VEzYCo+3gP+ n2o8m5JM6VLE4uTWLUeu1ve3uk50ucrh/51HuVryShUw/4RAyJj3/VbA+iLbT7QJZkg== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=arm.com; spf=pass smtp.mailfrom=arm.com; dkim=pass header.d=arm.com header.i=@arm.com header.a=rsa-sha256 header.s=foss header.b=uFt9q5Em; arc=none smtp.remote-ip=217.140.110.172 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id D3155606A31C for ; Mon, 9 Nov 2026 12:36:49 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org D3155606A31C Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com header.a=rsa-sha256 header.s=foss header.b=uFt9q5Em 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 217B11476; Mon, 9 Nov 2026 04:36:46 -0800 (PST) Received: from LeoBrasDK.cambridge.arm.com (LeoBrasDK.cambridge.arm.com [10.2.212.21]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id E073D3F632; Mon, 9 Nov 2026 04:36:46 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1794227809; bh=UBP2ZQMotIV6KdGg51IlwlZyPK5SoCkTkNpFStNN7gk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=uFt9q5EmP8uuPALMSgfayO0dNqoORyBCQdhiZe3CK0taECNUwQhxIWqLhzLTBPWgM 3jgBDN+oV0RLIwow4mH1pcauwWkxyN9pTumuGwFJQrHNgzFw2E3SNVtPux6ES3mZob 02X8lK7uRyzbzi2r9wT5O5j+O+467vIwcDH+vhds= From: Leonardo Bras To: Marc Zyngier Cc: Leonardo Bras , Oliver Upton , Fuad Tabba , Joey Gouly , Steffen Eiden , Suzuki K Poulose , Zenghui Yu , Catalin Marinas , Will Deacon , Mark Rutland , Raghavendra Rao Ananta , linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, linux-kernel@vger.kernel.org Subject: Re: [PATCH RESEND v4 0/3] Optimize S2 hugepage splitting, introduce skip-level flags Date: Mon, 9 Nov 2026 12:36:41 +0000 Message-ID: X-Mailer: git-send-email 2.56.0 In-Reply-To: <86y0b528zu.wl-maz@kernel.org> References: <20261106161240.1345126-1-leo.bras@arm.com> <86y0b528zu.wl-maz@kernel.org> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: 8bit On Fri, Nov 06, 2026 at 04:57:25PM +0000, Marc Zyngier wrote: > On Fri, 06 Nov 2026 16:12:35 +0000, > Leonardo Bras wrote: > > > > > > While playing with dirty-bit tracking, I decided to take a look on how page > > splitting works. Found out all entries are walked, even though we don't need > > to walk the level-3 entries, as they don't need to be split. > > What's the point of this "RESEND"? Anything different from what you > sent on Sept 30th? Since it is still numbered v4, I assume nothing has > changed... > Hi Marc, That's correct, nothing changed since the previous version. Since it got no feedback since Sept 30th, I decided to resend it in order to maybe get some further reviewing. Thanks! Leo