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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 779D8C43458 for ; Tue, 7 Jul 2026 19:46:25 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 72D3F6B009F; Tue, 7 Jul 2026 15:46:24 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 704796B00A0; Tue, 7 Jul 2026 15:46:24 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 61A756B00A1; Tue, 7 Jul 2026 15:46:24 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0016.hostedemail.com [216.40.44.16]) by kanga.kvack.org (Postfix) with ESMTP id 3B5866B009F for ; Tue, 7 Jul 2026 15:46:24 -0400 (EDT) Received: from smtpin04.hostedemail.com (lb01a-stub [10.200.18.249]) by unirelay08.hostedemail.com (Postfix) with ESMTP id B899714052A for ; Tue, 7 Jul 2026 19:46:23 +0000 (UTC) X-FDA: 84963012246.04.3AFA46A Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) by imf14.hostedemail.com (Postfix) with ESMTP id D154610000C for ; Tue, 7 Jul 2026 19:46:21 +0000 (UTC) Authentication-Results: imf14.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20260515 header.b=n1kQlAxi; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf14.hostedemail.com: domain of david@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=david@kernel.org ARC-Seal: i=1; a=rsa-sha256; d=hostedemail.com; s=arc-20220608; cv=none; t=1783453582; b=ML+mi7XY/1OgDGxYHXOsXqCxeegLItUFQuKPUFHukGaV8a/grXlCo5egpSGPV+Pu9EmFY5 JQRS1wtpB0bXRuzZwceUA1QN034VIFpMOmF00Qfkg19q+Xwj8AqJxboQcXimKgvjs89myH S7bHGxUy4HddnWexrnU6RvRs0wuplpc= ARC-Authentication-Results: i=1; imf14.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20260515 header.b=n1kQlAxi; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf14.hostedemail.com: domain of david@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=david@kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1783453582; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=6CsXTWyk0ab6TZGDQgEzm0qZO4v7/IxSMWXikYKxYHk=; b=kq3XIxzMCth91o0goOjv9b1UgY9ipfCwO1JEX5rMDG5GVYb10zQui5NDRCiDcC8nAOhUKj EoMeoxgpxMTBe+KCkM/Z51CQbcfFB1Vrk3fJ2yJoVg82Dz4MbfNPldIoVY0zeIb07HP0B2 Bk0n1tVLW44NTwVO6NG2X2KMh9eY77o= Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with ESMTP id AD9BB40A8C; Tue, 7 Jul 2026 19:46:20 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0A6821F000E9; Tue, 7 Jul 2026 19:46:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1783453580; bh=6CsXTWyk0ab6TZGDQgEzm0qZO4v7/IxSMWXikYKxYHk=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=n1kQlAxirZ6gXVxiJPfgygY5nIqZGV/MVJWXnTBsQHs/rUxip9w21/8joxuvvuI/h s/e3noMXh/1PzrUc+zV4W5tNg9mmv9tWOM1Ip37DsRknro4LHKrQJpXGKin6jlrsUS 0eUbribKkLsc6X3hRqvUeMi/Qb9ssfryw7FnnThXWYXs1IWefvg78zLNocQRc8lr4f 2HE8ifdZCIkM5HwksrxAKxeqnzSR2NjVLR/MCBPa6I3wELpgctRGO+ZqbyGMYZBQ8C uq4+47oCtV2nv+SCr66h1z56XwqaIBXSTio8EcocIV0e3xBVvzwXvzZRTICb/AoPQY /Wrqo6TWgVW9Q== Message-ID: Date: Tue, 7 Jul 2026 21:46:14 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [RFC PATCH 0/6] mm/hugetlb: Dynamic, NUMA-aware HugePage Cache & Free Page Reporting To: "Michael S. Tsirkin" , Lorenzo Stoakes Cc: Sourav Panda , muchun.song@linux.dev, osalvador@suse.de, akpm@linux-foundation.org, liam@infradead.org, vbabka@kernel.org, rppt@kernel.org, surenb@google.com, mhocko@suse.com, mhklinux@outlook.com, fvdl@google.com, gthelen@google.com, mike.kravetz@oracle.com, pasha.tatashin@soleen.com, rientjes@google.com, riel@surriel.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-doc@vger.kernel.org References: <20260707064235.1386552-1-souravpanda@google.com> <9624988a-366e-4884-9408-3f3b88c27290@kernel.org> <20260707062428-mutt-send-email-mst@kernel.org> <20260707095843-mutt-send-email-mst@kernel.org> <20260707152755-mutt-send-email-mst@kernel.org> From: "David Hildenbrand (Arm)" Content-Language: en-US Autocrypt: addr=david@kernel.org; keydata= xsFNBFXLn5EBEAC+zYvAFJxCBY9Tr1xZgcESmxVNI/0ffzE/ZQOiHJl6mGkmA1R7/uUpiCjJ dBrn+lhhOYjjNefFQou6478faXE6o2AhmebqT4KiQoUQFV4R7y1KMEKoSyy8hQaK1umALTdL QZLQMzNE74ap+GDK0wnacPQFpcG1AE9RMq3aeErY5tujekBS32jfC/7AnH7I0v1v1TbbK3Gp XNeiN4QroO+5qaSr0ID2sz5jtBLRb15RMre27E1ImpaIv2Jw8NJgW0k/D1RyKCwaTsgRdwuK Kx/Y91XuSBdz0uOyU/S8kM1+ag0wvsGlpBVxRR/xw/E8M7TEwuCZQArqqTCmkG6HGcXFT0V9 PXFNNgV5jXMQRwU0O/ztJIQqsE5LsUomE//bLwzj9IVsaQpKDqW6TAPjcdBDPLHvriq7kGjt WhVhdl0qEYB8lkBEU7V2Yb+SYhmhpDrti9Fq1EsmhiHSkxJcGREoMK/63r9WLZYI3+4W2rAc UucZa4OT27U5ZISjNg3Ev0rxU5UH2/pT4wJCfxwocmqaRr6UYmrtZmND89X0KigoFD/XSeVv jwBRNjPAubK9/k5NoRrYqztM9W6sJqrH8+UWZ1Idd/DdmogJh0gNC0+N42Za9yBRURfIdKSb B3JfpUqcWwE7vUaYrHG1nw54pLUoPG6sAA7Mehl3nd4pZUALHwARAQABzS5EYXZpZCBIaWxk ZW5icmFuZCAoQ3VycmVudCkgPGRhdmlkQGtlcm5lbC5vcmc+wsGQBBMBCAA6AhsDBQkmWAik AgsJBBUKCQgCFgICHgUCF4AWIQQb2cqtc1xMOkYN/MpN3hD3AP+DWgUCaYJt/AIZAQAKCRBN 3hD3AP+DWriiD/9BLGEKG+N8L2AXhikJg6YmXom9ytRwPqDgpHpVg2xdhopoWdMRXjzOrIKD g4LSnFaKneQD0hZhoArEeamG5tyo32xoRsPwkbpIzL0OKSZ8G6mVbFGpjmyDLQCAxteXCLXz ZI0VbsuJKelYnKcXWOIndOrNRvE5eoOfTt2XfBnAapxMYY2IsV+qaUXlO63GgfIOg8RBaj7x 3NxkI3rV0SHhI4GU9K6jCvGghxeS1QX6L/XI9mfAYaIwGy5B68kF26piAVYv/QZDEVIpo3t7 /fjSpxKT8plJH6rhhR0epy8dWRHk3qT5tk2P85twasdloWtkMZ7FsCJRKWscm1BLpsDn6EQ4 jeMHECiY9kGKKi8dQpv3FRyo2QApZ49NNDbwcR0ZndK0XFo15iH708H5Qja/8TuXCwnPWAcJ DQoNIDFyaxe26Rx3ZwUkRALa3iPcVjE0//TrQ4KnFf+lMBSrS33xDDBfevW9+Dk6IISmDH1R HFq2jpkN+FX/PE8eVhV68B2DsAPZ5rUwyCKUXPTJ/irrCCmAAb5Jpv11S7hUSpqtM/6oVESC 3z/7CzrVtRODzLtNgV4r5EI+wAv/3PgJLlMwgJM90Fb3CB2IgbxhjvmB1WNdvXACVydx55V7 LPPKodSTF29rlnQAf9HLgCphuuSrrPn5VQDaYZl4N/7zc2wcWM7BTQRVy5+RARAA59fefSDR 9nMGCb9LbMX+TFAoIQo/wgP5XPyzLYakO+94GrgfZjfhdaxPXMsl2+o8jhp/hlIzG56taNdt VZtPp3ih1AgbR8rHgXw1xwOpuAd5lE1qNd54ndHuADO9a9A0vPimIes78Hi1/yy+ZEEvRkHk /kDa6F3AtTc1m4rbbOk2fiKzzsE9YXweFjQvl9p+AMw6qd/iC4lUk9g0+FQXNdRs+o4o6Qvy iOQJfGQ4UcBuOy1IrkJrd8qq5jet1fcM2j4QvsW8CLDWZS1L7kZ5gT5EycMKxUWb8LuRjxzZ 3QY1aQH2kkzn6acigU3HLtgFyV1gBNV44ehjgvJpRY2cC8VhanTx0dZ9mj1YKIky5N+C0f21 zvntBqcxV0+3p8MrxRRcgEtDZNav+xAoT3G0W4SahAaUTWXpsZoOecwtxi74CyneQNPTDjNg azHmvpdBVEfj7k3p4dmJp5i0U66Onmf6mMFpArvBRSMOKU9DlAzMi4IvhiNWjKVaIE2Se9BY FdKVAJaZq85P2y20ZBd08ILnKcj7XKZkLU5FkoA0udEBvQ0f9QLNyyy3DZMCQWcwRuj1m73D sq8DEFBdZ5eEkj1dCyx+t/ga6x2rHyc8Sl86oK1tvAkwBNsfKou3v+jP/l14a7DGBvrmlYjO 59o3t6inu6H7pt7OL6u6BQj7DoMAEQEAAcLBfAQYAQgAJgIbDBYhBBvZyq1zXEw6Rg38yk3e EPcA/4NaBQJonNqrBQkmWAihAAoJEE3eEPcA/4NaKtMQALAJ8PzprBEXbXcEXwDKQu+P/vts IfUb1UNMfMV76BicGa5NCZnJNQASDP/+bFg6O3gx5NbhHHPeaWz/VxlOmYHokHodOvtL0WCC 8A5PEP8tOk6029Z+J+xUcMrJClNVFpzVvOpb1lCbhjwAV465Hy+NUSbbUiRxdzNQtLtgZzOV Zw7jxUCs4UUZLQTCuBpFgb15bBxYZ/BL9MbzxPxvfUQIPbnzQMcqtpUs21CMK2PdfCh5c4gS sDci6D5/ZIBw94UQWmGpM/O1ilGXde2ZzzGYl64glmccD8e87OnEgKnH3FbnJnT4iJchtSvx yJNi1+t0+qDti4m88+/9IuPqCKb6Stl+s2dnLtJNrjXBGJtsQG/sRpqsJz5x1/2nPJSRMsx9 5YfqbdrJSOFXDzZ8/r82HgQEtUvlSXNaXCa95ez0UkOG7+bDm2b3s0XahBQeLVCH0mw3RAQg r7xDAYKIrAwfHHmMTnBQDPJwVqxJjVNr7yBic4yfzVWGCGNE4DnOW0vcIeoyhy9vnIa3w1uZ 3iyY2Nsd7JxfKu1PRhCGwXzRw5TlfEsoRI7V9A8isUCoqE2Dzh3FvYHVeX4Us+bRL/oqareJ CIFqgYMyvHj7Q06kTKmauOe4Nf0l0qEkIuIzfoLJ3qr5UyXc2hLtWyT9Ir+lYlX9efqh7mOY qIws/H2t In-Reply-To: <20260707152755-mutt-send-email-mst@kernel.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: D154610000C X-Rspam-User: X-Stat-Signature: ez5qiumtnowk1rphm7mbcpb46mc8snnt X-Rspamd-Server: rspam03 X-HE-Tag: 1783453581-666802 X-HE-Meta: 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 NwkYnYMq VNJJ67EzLozHRgtE7y2mJrUlmPBVsL0/My+qRP4orFMot9ECw85G03hQmYvUrI9fL3r0FQp/ByDiOOtnjrQMegxigdCjc9O1qUPUMIfEcTk0QA1YlVKJfbRcYtYflsRiT8x6FK7rVnmaErEvri19D10URsSS49WYHxDAG/bUN8IvjvYD8vLslfKFCnsol64J/FMiwsjAHN14FBu+mMaa49AyMdiAmSKIWD8NVKiu+FLUHzZpoNbafvUhglPwI0WZqPMyd7OwyR9Yxw1Q= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 7/7/26 21:32, Michael S. Tsirkin wrote: > On Tue, Jul 07, 2026 at 07:46:28PM +0100, Lorenzo Stoakes wrote: >> On Tue, Jul 07, 2026 at 10:01:55AM -0400, Michael S. Tsirkin wrote: >>> >>> Fair enough. >>> >>> >>> Lorenzo, do you know *how* you want it reworked? Could you write it up >>> at a high level? >>> Because if not, it's not really practical to make it the asking price. >> >> Michael, you're an experienced maintainer, I'm surprised I have to tell you that >> the burden for that lands on the submitter. > > Oh sure, "fix bugs A,B,C before you add to this mess" is a classic way > to actually not end up with even more of a mess. But I usually do try > to be explicit of what are specific issues I want submitter to address. > I don't really feel figuring that out lands on the submitter. Sometimes it's certainly easier. With things like hugetlb there often just isn't a feasible way to integrate it nicely into core-mm. It's just too special. -- Cheers, David