From: Ryan Roberts <ryan.roberts@arm.com>
To: "Christoph Lameter (Ampere)" <cl@gentwo.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Anshuman Khandual <anshuman.khandual@arm.com>,
Ard Biesheuvel <ardb@kernel.org>, Arnd Bergmann <arnd@arndb.de>,
Catalin Marinas <catalin.marinas@arm.com>,
David Hildenbrand <david@redhat.com>,
Dennis Zhou <dennis@kernel.org>,
Greg Marsden <greg.marsden@oracle.com>,
Ivan Ivanov <ivan.ivanov@suse.com>,
Kalesh Singh <kaleshsingh@google.com>,
Marc Zyngier <maz@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Matthias Brugger <mbrugger@suse.com>,
Miroslav Benes <mbenes@suse.cz>, Tejun Heo <tj@kernel.org>,
Will Deacon <will@kernel.org>,
linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [RFC PATCH v1 02/57] vmlinux: Align to PAGE_SIZE_MAX
Date: Tue, 15 Oct 2024 11:53:31 +0100 [thread overview]
Message-ID: <aa1a1ee9-bddf-4b14-a3ca-f0e2c34a22ad@arm.com> (raw)
In-Reply-To: <0e7c6bd0-b4a0-4afe-22ff-73239bd86943@gentwo.org>
On 14/10/2024 17:50, Christoph Lameter (Ampere) wrote:
> On Mon, 14 Oct 2024, Ryan Roberts wrote:
>
>> Increase alignment of structures requiring at least PAGE_SIZE alignment
>> to PAGE_SIZE_MAX. For compile-time PAGE_SIZE, PAGE_SIZE_MAX == PAGE_SIZE
>> so there is no change. For boot-time PAGE_SIZE, PAGE_SIZE_MAX is the
>> largest selectable page size.
>
> Can you verify that this works with the arch specific portions? This may
> also allow to to reduce some of the arch dependent stuff.
Sorry, Chistoph, I'm not exactly sure what you mean here by "arch specific
portions" and "reduce some of the arch dependent stuff"? Could you elaborate?
I can certainly verify that this change works for all the test scenarios I've
listed on the cover letter.
Thanks,
Ryan
next prev parent reply other threads:[~2024-10-15 10:53 UTC|newest]
Thread overview: 196+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-14 10:55 [RFC PATCH v1 00/57] Boot-time page size selection for arm64 Ryan Roberts
2024-10-14 10:58 ` [RFC PATCH v1 01/57] mm: Add macros ahead of supporting boot-time page size selection Ryan Roberts
2024-10-14 10:58 ` [RFC PATCH v1 02/57] vmlinux: Align to PAGE_SIZE_MAX Ryan Roberts
2024-10-14 16:50 ` Christoph Lameter (Ampere)
2024-10-15 10:53 ` Ryan Roberts [this message]
2024-10-14 10:58 ` [RFC PATCH v1 03/57] mm/memcontrol: Fix seq_buf size to save memory when PAGE_SIZE is large Ryan Roberts
2024-10-14 13:00 ` Johannes Weiner
2024-10-14 19:59 ` Shakeel Butt
2024-10-15 10:55 ` Ryan Roberts
2024-10-17 12:21 ` Michal Hocko
2024-10-17 16:09 ` Roman Gushchin
2024-10-14 10:58 ` [RFC PATCH v1 04/57] mm/page_alloc: Make page_frag_cache boot-time page size compatible Ryan Roberts
2024-11-14 8:23 ` Vlastimil Babka
2024-11-14 9:36 ` Ryan Roberts
2024-11-14 9:43 ` Vlastimil Babka
2024-10-14 10:58 ` [RFC PATCH v1 05/57] mm: Avoid split pmd ptl if pmd level is run-time folded Ryan Roberts
2024-10-14 10:58 ` [RFC PATCH v1 06/57] mm: Remove PAGE_SIZE compile-time constant assumption Ryan Roberts
2024-10-16 14:37 ` Ryan Roberts
2024-11-01 20:16 ` [RFC PATCH] mm/slab: Avoid build bug for calls to kmalloc with a large constant Dave Kleikamp
2024-11-06 11:44 ` Ryan Roberts
2024-11-06 15:20 ` Dave Kleikamp
2024-11-14 10:09 ` Vlastimil Babka
2024-11-26 12:18 ` Ryan Roberts
2024-11-26 12:36 ` Vlastimil Babka
2024-11-26 14:26 ` Ryan Roberts
2024-11-26 14:53 ` Ryan Roberts
2024-11-26 15:09 ` Vlastimil Babka
2024-11-26 15:27 ` Vlastimil Babka
2024-11-26 15:33 ` Ryan Roberts
2024-11-14 10:17 ` [RFC PATCH v1 06/57] mm: Remove PAGE_SIZE compile-time constant assumption Vlastimil Babka
2024-11-26 10:08 ` Ryan Roberts
2024-10-14 10:58 ` [RFC PATCH v1 07/57] fs: Introduce MAX_BUF_PER_PAGE_SIZE_MAX for array sizing Ryan Roberts
2024-10-14 10:58 ` [RFC PATCH v1 08/57] fs: Remove PAGE_SIZE compile-time constant assumption Ryan Roberts
2024-10-14 10:58 ` [RFC PATCH v1 09/57] fs/nfs: " Ryan Roberts
2024-10-14 10:58 ` [RFC PATCH v1 10/57] fs/ext4: " Ryan Roberts
2024-10-14 10:58 ` [RFC PATCH v1 11/57] fork: Permit boot-time THREAD_SIZE determination Ryan Roberts
2024-11-14 10:42 ` Vlastimil Babka
2024-10-14 10:58 ` [RFC PATCH v1 12/57] cgroup: Remove PAGE_SIZE compile-time constant assumption Ryan Roberts
2024-10-14 10:58 ` [RFC PATCH v1 13/57] bpf: " Ryan Roberts
2024-10-16 14:38 ` Ryan Roberts
2024-10-14 10:58 ` [RFC PATCH v1 14/57] pm/hibernate: " Ryan Roberts
2024-10-16 14:39 ` Ryan Roberts
2024-10-14 10:58 ` [RFC PATCH v1 15/57] stackdepot: " Ryan Roberts
2024-11-14 11:15 ` Vlastimil Babka
2024-11-26 10:15 ` Ryan Roberts
2024-10-14 10:58 ` [RFC PATCH v1 16/57] perf: " Ryan Roberts
2024-10-16 14:40 ` Ryan Roberts
2024-10-14 10:58 ` [RFC PATCH v1 17/57] kvm: " Ryan Roberts
2024-10-14 21:37 ` Sean Christopherson
2024-10-15 10:57 ` Ryan Roberts
2024-10-16 14:41 ` Ryan Roberts
2024-10-14 10:58 ` [RFC PATCH v1 18/57] trace: " Ryan Roberts
2024-10-14 16:46 ` Steven Rostedt
2024-10-15 11:09 ` Ryan Roberts
2024-10-18 15:24 ` Steven Rostedt
2024-10-14 10:58 ` [RFC PATCH v1 19/57] crash: " Ryan Roberts
2024-10-15 3:47 ` Baoquan He
2024-10-15 11:13 ` Ryan Roberts
2024-10-18 3:00 ` Baoquan He
2024-10-14 10:58 ` [RFC PATCH v1 20/57] crypto: " Ryan Roberts
2024-10-26 6:54 ` Herbert Xu
2024-10-14 10:58 ` [RFC PATCH v1 21/57] sunrpc: " Ryan Roberts
2024-10-16 14:42 ` Ryan Roberts
2024-10-16 14:47 ` Chuck Lever
2024-10-16 14:54 ` Jeff Layton
2024-10-16 15:09 ` Ryan Roberts
2024-10-14 10:58 ` [RFC PATCH v1 22/57] sound: " Ryan Roberts
2024-10-14 11:38 ` Mark Brown
2024-10-14 12:24 ` Ryan Roberts
2024-10-14 12:41 ` Takashi Iwai
2024-10-14 12:52 ` Ryan Roberts
2024-10-14 16:01 ` Mark Brown
2024-10-15 11:35 ` Ryan Roberts
2024-10-14 10:58 ` [RFC PATCH v1 23/57] net: " Ryan Roberts
2024-10-16 14:43 ` Ryan Roberts
2024-10-14 10:58 ` [RFC PATCH v1 24/57] net: fec: " Ryan Roberts
2024-10-14 10:58 ` [RFC PATCH v1 25/57] net: marvell: " Ryan Roberts
2024-10-14 10:58 ` [RFC PATCH v1 26/57] net: hns3: " Ryan Roberts
2024-10-14 10:58 ` [RFC PATCH v1 27/57] net: e1000: " Ryan Roberts
2024-10-16 14:43 ` Ryan Roberts
2024-10-14 10:58 ` [RFC PATCH v1 28/57] net: igbvf: " Ryan Roberts
2024-10-16 14:44 ` Ryan Roberts
2024-10-14 10:58 ` [RFC PATCH v1 29/57] net: igb: " Ryan Roberts
2024-10-16 14:45 ` Ryan Roberts
2024-10-14 10:58 ` [RFC PATCH v1 30/57] drivers/base: " Ryan Roberts
2024-10-16 14:45 ` Ryan Roberts
2024-10-16 15:04 ` Greg Kroah-Hartman
2024-10-16 15:12 ` Ryan Roberts
2024-10-14 10:58 ` [RFC PATCH v1 31/57] edac: " Ryan Roberts
2024-10-16 14:46 ` Ryan Roberts
2024-10-14 10:58 ` [RFC PATCH v1 32/57] optee: " Ryan Roberts
2024-10-14 10:58 ` [RFC PATCH v1 33/57] random: " Ryan Roberts
2024-10-14 10:58 ` [RFC PATCH v1 34/57] sata_sil24: " Ryan Roberts
2024-10-17 9:09 ` Niklas Cassel
2024-10-17 12:42 ` Ryan Roberts
2024-10-17 12:51 ` Niklas Cassel
2024-10-21 9:24 ` Ryan Roberts
2024-10-21 11:04 ` Niklas Cassel
2024-10-21 11:26 ` Ryan Roberts
2024-10-21 11:43 ` Niklas Cassel
2024-10-14 10:58 ` [RFC PATCH v1 35/57] virtio: " Ryan Roberts
2024-10-14 10:58 ` [RFC PATCH v1 36/57] xen: " Ryan Roberts
2024-10-16 14:46 ` Ryan Roberts
2024-10-23 1:23 ` Stefano Stabellini
2024-10-24 10:32 ` Ryan Roberts
2024-10-25 1:18 ` Stefano Stabellini
2024-10-14 10:58 ` [RFC PATCH v1 37/57] arm64: Fix macros to work in C code in addition to the linker script Ryan Roberts
2024-10-14 10:58 ` [RFC PATCH v1 38/57] arm64: Track early pgtable allocation limit Ryan Roberts
2024-10-14 10:58 ` [RFC PATCH v1 39/57] arm64: Introduce macros required for boot-time page selection Ryan Roberts
2024-10-14 10:58 ` [RFC PATCH v1 40/57] arm64: Refactor early pgtable size calculation macros Ryan Roberts
2024-10-14 10:58 ` [RFC PATCH v1 41/57] arm64: Pass desired page size on command line Ryan Roberts
2024-10-14 10:58 ` [RFC PATCH v1 42/57] arm64: Divorce early init from PAGE_SIZE Ryan Roberts
2024-10-14 10:58 ` [RFC PATCH v1 43/57] arm64: Clean up simple cases of CONFIG_ARM64_*K_PAGES Ryan Roberts
2024-10-14 10:58 ` [RFC PATCH v1 44/57] arm64: Align sections to PAGE_SIZE_MAX Ryan Roberts
2024-10-19 14:16 ` Thomas Weißschuh
2024-10-21 11:20 ` Ryan Roberts
2024-10-14 10:58 ` [RFC PATCH v1 45/57] arm64: Rework trampoline rodata mapping Ryan Roberts
2024-10-14 10:58 ` [RFC PATCH v1 46/57] arm64: Generalize fixmap for boot-time page size Ryan Roberts
2024-10-14 10:58 ` [RFC PATCH v1 47/57] arm64: Statically allocate and align for worst-case " Ryan Roberts
2024-10-14 10:58 ` [RFC PATCH v1 48/57] arm64: Convert switch to if for non-const comparison values Ryan Roberts
2024-10-14 10:58 ` [RFC PATCH v1 49/57] arm64: Convert BUILD_BUG_ON to VM_BUG_ON Ryan Roberts
2024-10-14 10:58 ` [RFC PATCH v1 50/57] arm64: Remove PAGE_SZ asm-offset Ryan Roberts
2024-10-14 10:58 ` [RFC PATCH v1 51/57] arm64: Introduce cpu features for page sizes Ryan Roberts
2024-10-14 10:58 ` [RFC PATCH v1 52/57] arm64: Remove PAGE_SIZE from assembly code Ryan Roberts
2024-10-14 10:59 ` [RFC PATCH v1 53/57] arm64: Runtime-fold pmd level Ryan Roberts
2024-10-14 10:59 ` [RFC PATCH v1 54/57] arm64: Support runtime folding in idmap_kpti_install_ng_mappings Ryan Roberts
2024-10-14 10:59 ` [RFC PATCH v1 55/57] arm64: TRAMP_VALIAS is no longer compile-time constant Ryan Roberts
2024-10-14 11:21 ` Ard Biesheuvel
2024-10-14 11:28 ` Ryan Roberts
2024-10-14 10:59 ` [RFC PATCH v1 56/57] arm64: Determine THREAD_SIZE at boot-time Ryan Roberts
2024-10-14 10:59 ` [RFC PATCH v1 57/57] arm64: Enable boot-time page size selection Ryan Roberts
2024-10-15 17:42 ` Zi Yan
2024-10-16 8:14 ` Ryan Roberts
2024-10-16 14:21 ` Zi Yan
2024-10-16 14:31 ` Ryan Roberts
2024-10-16 14:35 ` Zi Yan
2024-10-15 17:52 ` Michael Kelley
2024-10-16 8:17 ` Ryan Roberts
2024-10-14 13:54 ` [RFC PATCH v1 01/57] mm: Add macros ahead of supporting " Pingfan Liu
2024-10-14 14:07 ` Ryan Roberts
2024-10-15 3:04 ` Pingfan Liu
2024-10-15 11:16 ` Ryan Roberts
2024-10-16 14:36 ` Ryan Roberts
2024-10-30 8:45 ` Ryan Roberts
2024-10-14 17:32 ` [RFC PATCH v1 00/57] Boot-time page size selection for arm64 Florian Fainelli
2024-10-15 11:48 ` Ryan Roberts
2024-10-15 18:38 ` Michael Kelley
2024-10-16 8:23 ` Ryan Roberts
2024-10-16 15:16 ` David Hildenbrand
2024-10-16 16:08 ` Ryan Roberts
2024-10-17 12:27 ` Petr Tesarik
2024-10-17 12:32 ` Ryan Roberts
2024-10-18 12:56 ` Petr Tesarik
2024-10-18 14:41 ` Petr Tesarik
2024-10-21 11:47 ` Ryan Roberts
2024-10-23 21:00 ` Thomas Tai
2024-10-24 10:48 ` Ryan Roberts
2024-10-24 11:45 ` Petr Tesarik
2024-10-24 12:10 ` Ryan Roberts
2024-10-30 22:11 ` Sumit Gupta
2024-11-11 12:14 ` Petr Tesarik
2024-11-11 12:25 ` Ryan Roberts
2024-11-12 9:45 ` Petr Tesarik
2024-11-12 10:19 ` Ryan Roberts
2024-11-12 10:50 ` Petr Tesarik
2024-11-13 12:40 ` Petr Tesarik
2024-11-13 12:56 ` Ryan Roberts
2024-11-13 14:22 ` Petr Tesarik
2024-12-05 17:20 ` Petr Tesarik
2024-12-05 18:52 ` Michael Kelley
2024-12-06 7:50 ` Petr Tesarik
2024-12-06 10:26 ` Ryan Roberts
2024-12-06 13:05 ` Michael Kelley
2024-10-17 22:05 ` Dave Kleikamp
2024-10-21 11:49 ` Ryan Roberts
2024-10-18 18:15 ` Joseph Salisbury
2024-10-18 18:27 ` David Hildenbrand
2024-10-18 19:19 ` [External] : " Joseph Salisbury
2024-10-18 19:27 ` David Hildenbrand
2024-10-18 20:06 ` Joseph Salisbury
2024-10-21 9:55 ` Ryan Roberts
2024-10-19 15:47 ` Neal Gompa
2024-10-21 11:02 ` Ryan Roberts
2024-10-21 11:32 ` Eric Curtin
2024-10-21 11:51 ` Ryan Roberts
2024-10-21 13:49 ` Neal Gompa
2024-10-21 15:01 ` Ryan Roberts
2024-10-22 9:33 ` Neal Gompa
2024-10-22 15:03 ` Nick Chan
2024-10-22 15:12 ` Ryan Roberts
2024-10-22 17:30 ` Neal Gompa
2024-10-24 10:34 ` Ryan Roberts
2024-10-31 21:07 ` Catalin Marinas
2024-11-06 11:37 ` Ryan Roberts
2024-11-07 12:35 ` Catalin Marinas
2024-11-07 12:47 ` Ryan Roberts
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