From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp-bc09.mail.infomaniak.ch (smtp-bc09.mail.infomaniak.ch [45.157.188.9]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 92EE125B0B5 for ; Mon, 20 Jul 2026 08:55:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.157.188.9 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784537722; cv=none; b=rYqaBaE2rQl7cm0KDvjhGS1HcCEa4W/FR09ki19jyVpmS0wYgHitmMJNCrI4QSonT1FtuxuGu/CjJ4Xs/D+X4cvlL5aOGw45kIlRFJi4pCQBLrQR8ylqV0scwm4+S8d+t25NPBEsjIEaAGsyLlrqMFxvcLPBQ6IY4lfR6/bOXQM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784537722; c=relaxed/simple; bh=H0fo9bu9ZfFIZs/fyJH7OKdj212Tc7OSNbJXo+DCE4I=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=utdE4xVf9/ut7BX56xMOUjLCsDK+QkaC2tL4ybMkncuSJScBdlPDZyaGTcQNxt1jua2xFvznbx2NeZ8XUzv1Nj/oR15cggPF800P6oesFKnZDnhkaeDAiQzxld12vTVdxK0fSXVqvIRMsh3JLqZK6cRecgJyes3PnFWxHqTYNQ8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=ik.me; spf=pass smtp.mailfrom=ik.me; dkim=pass (1024-bit key) header.d=ik.me header.i=@ik.me header.b=4ezaj5jQ; arc=none smtp.client-ip=45.157.188.9 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=ik.me Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ik.me Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ik.me header.i=@ik.me header.b="4ezaj5jQ" Received: from smtp-4-0001.mail.infomaniak.ch (smtp-4-0001.mail.infomaniak.ch [10.7.10.108]) by smtp-4-3000.mail.infomaniak.ch (Postfix) with ESMTPS id 4h3Z2f4c6RzcrB; Mon, 20 Jul 2026 10:49:46 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ik.me; s=20200325; t=1784537386; bh=H0fo9bu9ZfFIZs/fyJH7OKdj212Tc7OSNbJXo+DCE4I=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=4ezaj5jQe0yzY1mq+uwMlTHoV22A4ThV8aPwaPgz4P5r5W+EmXanu/5dGv+ZAx40r N7BWk/iU38ejeg1ymoizzOaBDOmkEov21K8G9FaSOvk6vLVSSPON9jGYzhslcuVAMe UvrsHTGlLqJsCDOtxuWYqG58dsjvKsazF6C/FpL0= Received: from unknown by smtp-4-0001.mail.infomaniak.ch (Postfix) with ESMTPA id 4h3Z2b60XLzQvv; Mon, 20 Jul 2026 10:49:43 +0200 (CEST) Date: Mon, 20 Jul 2026 10:49:42 +0200 From: Nadia Chambers To: "David Hildenbrand (Arm)" Cc: Kiryl Shutsemau , lsf-pc@lists.linux-foundation.org, linux-mm@kvack.org, x86@kernel.org, linux-kernel@vger.kernel.org, Andrew Morton , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , Lorenzo Stoakes , "Liam R. Howlett" , Mike Rapoport , Matthew Wilcox , Johannes Weiner , Usama Arif Subject: Re: [LSF/MM/BPF TOPIC] 64k (or 16k) base page size on x86 Message-ID: References: <915aafb3-d1ff-4ae9-8751-f78e333a1f5f@kernel.org> <17c5708d-3859-49a5-814e-bc3564bc3ac6@kernel.org> <4d4fbb2b-dfef-4228-9e9f-f967aec4dfd7@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <4d4fbb2b-dfef-4228-9e9f-f967aec4dfd7@kernel.org> Feedback-ID: :3e9ae705af0626a:ham:b89b32586f6d122 X-Infomaniak-Routing: alpha On 7/19/26 23:24, Nadia Chambers wrote: >> While it had to be written, it was a straightforward extension of >> converting ->vm_pgoff to being in MMUPAGE_SIZE (Kiryl's PTE_SIZE) units, >> recovering offsets into pages usw. Nothing seemed terribly hard to >> understand about it. Really, the code as it stands rarely approaches >> what it's doing in such a way that it broadly surveys the layout of vmas >> and pages and be conscious of whether pages spanned vmas or multiple >> vmas were representing maps of of fragments of pages, so I'm not >> convinced there's anything particularly unique to be afraid of here. Am Mo 20 Jul 2026 um 09:02:21 +0100, David Hildenbrand (Arm) schrieb: > Just to be clear: I don't want this. Understood. Maybe it was a different and good experience for me and I got my hopes up too far that it might go anywhere from the recent efforts in similar directions. But I can work on whatever people actually want me to instead. -- nyc