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 3015FEC1EAF for ; Thu, 5 Feb 2026 12:56:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Content-Type: Content-Transfer-Encoding:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:References:Cc:To:From:Subject: MIME-Version:Date:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=nJgcT58N73zTitUmGeujJFa0lHZywM4+U7gEW/99cdU=; b=EmIDAOezk5OPVr xNxJJajkfvZhBQQ0wmGYVRwIY2WItng35rk4S1RKspATXQjHHFp4/+LU/0zrGtT6+bd4cOu9MbqM6 wjICKQJNZbeH956G4/2mbybwNBwDR4l4bbOKXmeza+LoJ3cmdLPvS5BQn/Ubm+07rsLgOTEQPB4P4 PBCYoeBu3cozlmEcmLl5qM/kJebarPIvvMnSEyrYC1kUxPQjvjMg2f5p5i01aiA0oLFmxdoBYoCfL T5+ByXKT9jLmB5dxMCCwWSmB+4b/ce4QOlyn40EAzO7cq64PXTP+ZiR/cr7kuJmjvEwXDAmkrJ/6A Fn1vBH8cpOXq8Vz9mSKQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vnyud-00000009uwL-3Pzb; Thu, 05 Feb 2026 12:56:47 +0000 Received: from tor.source.kernel.org ([172.105.4.254]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vnyub-00000009uwC-2LBK for linux-riscv@lists.infradead.org; Thu, 05 Feb 2026 12:56:45 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 989FC60010; Thu, 5 Feb 2026 12:56:44 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 37BABC4CEF7; Thu, 5 Feb 2026 12:56:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1770296204; bh=e5VyJ5rggvxgVaaTXdiX2bO8uDhtniRYd2c5UWCrvPU=; h=Date:Subject:From:To:Cc:References:In-Reply-To:From; b=AEzNcPowN4BXmt/D6Aou5d8c+1I3HBIPjz0gA7sikgv0Ip1rzk5T6BtqxHkZb5VkE DePut29gHzvT8VyvfG9xbgwY+Kibkxt4Pb5EjnOaeBTV5BMNyVVVLMFUNjpBMd1Ugk mPQBR5np1zulD6HftFxxFg09JX0BLr6DopqBYv2cA87ylu0Mt8qe60WVBtaHupSjIe bLmBOpbkINgrjrAieAMtg9kVh9w4PfCG4/U4g6dxJUvV67RnqoDmVI4M9E6VV8PHBh Kt0gJ+sj6BjoBSDBo0z+ZQb2tH1OkHtkHK+Ki2AyawzNqqsCg9diht8nNeNd/ZXMSg GTBttbb6q2jYQ== Message-ID: <062900fa-6419-4748-81d1-9128ce6c46d0@kernel.org> Date: Thu, 5 Feb 2026 13:56:36 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCHv6 06/17] LoongArch/mm: Align vmemmap to maximal folio size From: "David Hildenbrand (Arm)" To: Kiryl Shutsemau , Andrew Morton , Muchun Song , Matthew Wilcox , Usama Arif , Frank van der Linden Cc: Oscar Salvador , Mike Rapoport , Vlastimil Babka , Lorenzo Stoakes , Zi Yan , Baoquan He , Michal Hocko , Johannes Weiner , Jonathan Corbet , Huacai Chen , WANG Xuerui , Palmer Dabbelt , Paul Walmsley , Albert Ou , Alexandre Ghiti , kernel-team@meta.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, loongarch@lists.linux.dev, linux-riscv@lists.infradead.org References: <20260202155634.650837-1-kas@kernel.org> <20260202155634.650837-7-kas@kernel.org> <2ce0e684-de54-43ec-be7d-c58bbffb3f4e@kernel.org> 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: <2ce0e684-de54-43ec-be7d-c58bbffb3f4e@kernel.org> X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org T24gMi80LzI2IDE3OjU2LCBEYXZpZCBIaWxkZW5icmFuZCAoYXJtKSB3cm90ZToKPiBPbiAyLzIv MjYgMTY6NTYsIEtpcnlsIFNodXRzZW1hdSB3cm90ZToKPj4gVGhlIHVwY29taW5nIGNoYW5nZSB0 byB0aGUgSHVnZVRMQiB2bWVtbWFwIG9wdGltaXphdGlvbiAoSFZPKSByZXF1aXJlcwo+PiBzdHJ1 Y3QgcGFnZXMgb2YgdGhlIGhlYWQgcGFnZSB0byBiZSBuYXR1cmFsbHkgYWxpZ25lZCB3aXRoIHJl Z2FyZCB0byB0aGUKPj4gZm9saW8gc2l6ZS4KPj4KPj4gQWxpZ24gdm1lbW1hcCB0byBNQVhfRk9M SU9fTlJfUEFHRVMuCj4+Cj4+IFNpZ25lZC1vZmYtYnk6IEtpcnlsIFNodXRzZW1hdSA8a2FzQGtl cm5lbC5vcmc+Cj4+IC0tLQo+PiDCoCBhcmNoL2xvb25nYXJjaC9pbmNsdWRlL2FzbS9wZ3RhYmxl LmggfCAzICsrLQo+PiDCoCAxIGZpbGUgY2hhbmdlZCwgMiBpbnNlcnRpb25zKCspLCAxIGRlbGV0 aW9uKC0pCj4+Cj4+IGRpZmYgLS1naXQgYS9hcmNoL2xvb25nYXJjaC9pbmNsdWRlL2FzbS9wZ3Rh YmxlLmggYi9hcmNoL2xvb25nYXJjaC8gCj4+IGluY2x1ZGUvYXNtL3BndGFibGUuaAo+PiBpbmRl eCBjMzNiM2JjYjczM2UuLmY5NDE2YWNiOTE1NiAxMDA2NDQKPj4gLS0tIGEvYXJjaC9sb29uZ2Fy Y2gvaW5jbHVkZS9hc20vcGd0YWJsZS5oCj4+ICsrKyBiL2FyY2gvbG9vbmdhcmNoL2luY2x1ZGUv YXNtL3BndGFibGUuaAo+PiBAQCAtMTEzLDcgKzExMyw4IEBAIGV4dGVybiB1bnNpZ25lZCBsb25n IGVtcHR5X3plcm9fcGFnZVtQQUdFX1NJWkUgLyAKPj4gc2l6ZW9mKHVuc2lnbmVkIGxvbmcpXTsK Pj4gwqDCoMKgwqDCoMKgIG1pbihQVFJTX1BFUl9QR0QgKiBQVFJTX1BFUl9QVUQgKiBQVFJTX1BF Ul9QTUQgKiBQVFJTX1BFUl9QVEUgKiAKPj4gUEFHRV9TSVpFLCAoMVVMIDw8IGNwdV92YWJpdHMp IC8gMikgLSBQTURfU0laRSAtIFZNRU1NQVBfU0laRSAtIAo+PiBLRkVOQ0VfQVJFQV9TSVpFKQo+ PiDCoCAjZW5kaWYKPj4gLSNkZWZpbmUgdm1lbW1hcMKgwqDCoMKgwqDCoMKgICgoc3RydWN0IHBh Z2UgKikoKFZNQUxMT0NfRU5EICsgUE1EX1NJWkUpICYgCj4+IFBNRF9NQVNLKSkKPj4gKyNkZWZp bmUgVk1FTU1BUF9BTElHTsKgwqDCoCBtYXgoUE1EX1NJWkUsIE1BWF9GT0xJT19OUl9QQUdFUyAq IAo+PiBzaXplb2Yoc3RydWN0IHBhZ2UpKQo+PiArI2RlZmluZSB2bWVtbWFwwqDCoMKgwqDCoMKg wqAgKChzdHJ1Y3QgcGFnZSAqKShBTElHTihWTUFMTE9DX0VORCwgCj4+IFZNRU1NQVBfQUxJR04p KSkKPiAKPiAKPiBTYW1lIGNvbW1lbnQsIHRoZSAiTUFYX0ZPTElPX05SX1BBR0VTICogc2l6ZW9m KHN0cnVjdCBwYWdlKSIgaXMganVzdCAKPiBibGFjayBtYWdpYyBoZXJlCj4gYW5kIHRoZSBkZXNj cmlwdGlvbiBvZiB0aGUgc2l0dWF0aW9uIGlzIHdyb25nLgo+IAo+IE1heWJlIHlvdSB3YW50IHRv IHB1bGwgdGhlIG1hZ2ljICJNQVhfRk9MSU9fTlJfUEFHRVMgKiBzaXplb2Yoc3RydWN0IAo+IHBh Z2UpIiBpbnRvIHRoZSBjb3JlIGFuZCBjYWxsIGl0Cj4gCj4gI2RlZmluZSBNQVhfRk9MSU9fVk1F TU1BUF9BTElHTsKgwqDCoCAoTUFYX0ZPTElPX05SX1BBR0VTICogc2l6ZW9mKHN0cnVjdCAKPiBw YWdlKSkKPiAKPiBCdXQgdGhlbiBzcGVjaWFsIGNhc2UgaXQgYmFzZSBvbiAoYSkgSFZPIGJlaW5n IGNvbmZpZ3VyZWQgaW4gYW4gKGIpIEhWTyAKPiBiZWluZyBwb3NzaWJsZQo+IAo+ICNpZmRlZiBI VUdFVExCX1BBR0VfT1BUSU1JWkVfVk1FTU1BUCAmJiBpc19wb3dlcl9vZl8yKHNpemVvZihzdHJ1 Y3QgcGFnZSkKPiAvKiBBIHZlcnkgaGVscGZ1bCBjb21tZW50IGV4cGxhaW5pbmcgdGhlIHNpdHVh dGlvbi4gKi8KPiAjZGVmaW5lIE1BWF9GT0xJT19WTUVNTUFQX0FMSUdOwqDCoMKgIChNQVhfRk9M SU9fTlJfUEFHRVMgKiBzaXplb2Yoc3RydWN0IAo+IHBhZ2UpKQo+ICNlbHNlCj4gI2RlZmluZSBN QVhfRk9MSU9fVk1FTU1BUF9BTElHTsKgwqDCoCAwCj4gI2VuZGlmCj4gCj4gU29tZXRoaW5nIGxp a2UgdGhhdC4KPiAKClRoaW5raW5nIGFib3V0IHRoaXMgLi4uCgp0aGUgdm1lbW1hcCBzdGFydCBp cyBhbHdheXMgc3RydWN0LXBhZ2UtYWxpZ25lZC4gT3RoZXJ3aXNlIHdlJ2QgYmUgaW4gCnRyb3Vi bGUgYWxyZWFkeS4KCklzbid0IGl0IHRoZW4gc3VmZmljaWVudCB0byBqdXN0IGFsaWduIHRoZSBz dGFydCB0byBNQVhfRk9MSU9fTlJfUEFHRVM/CgpMZXQncyBhc3N1bWUgc2l6ZW9mKHN0cnVjdCBw YWdlKSA9PSA2NCBhbmQgTUFYX0ZPTElPX05SX1BBR0VTID0gNTEyIGZvciAKc2ltcGxpY2l0eS4K CnZtZW1tYXAgc3RhcnQgd291bGQgYmUgbXVsdGlwbGVzIG9mIDUxMiAoMHgwMDEwMDAwMDAwKS4K CjUxMiwgMTAyNCwgMTUzNiwgMjA0OCAuLi4KCkFzc3VtZSB3ZSBoYXZlIGFuIDI1Ni1wYWdlcyBm b2xpbyBhdCAxNTM2KzI1NiA9IDB4MTExMDAwMDAwCgpBc3N1bWUgd2UgaGF2ZSB0aGUgbGFzdCBw YWdlIG9mIHRoYXQgZm9saW8gKDB4MDExMTExMTExMTExKSwgd2Ugd291bGQgCmp1c3QgZ2V0IHRv IHRoZSBzdGFydCBvZiB0aGF0IGZvbGlvIGJ5IEFORC1pbmcgd2l0aCB+KDI1Ni0xKS4KCldoaWNo IGNhc2UgYW0gSSBpZ25vcmluZz8KCi0tIApDaGVlcnMsCgpEYXZpZAoKX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KbGludXgtcmlzY3YgbWFpbGluZyBsaXN0 CmxpbnV4LXJpc2N2QGxpc3RzLmluZnJhZGVhZC5vcmcKaHR0cDovL2xpc3RzLmluZnJhZGVhZC5v cmcvbWFpbG1hbi9saXN0aW5mby9saW51eC1yaXNjdgo=