From: David Hildenbrand <david@redhat.com>
To: Palmer Dabbelt <palmer@dabbelt.com>
Cc: linux-kernel@vger.kernel.org, akpm@linux-foundation.org,
hughd@google.com, jhubbard@nvidia.com, jgg@nvidia.com,
rppt@linux.ibm.com, shy828301@gmail.com, vbabka@suse.cz,
namit@vmware.com, aarcange@redhat.com, peterx@redhat.com,
linux-mm@kvack.org, x86@kernel.org, linux-alpha@vger.kernel.org,
linux-snps-arc@lists.infradead.org,
linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org,
linux-hexagon@vger.kernel.org, linux-ia64@vger.kernel.org,
loongarch@lists.linux.dev, linux-m68k@lists.linux-m68k.org,
linux-mips@vger.kernel.org, openrisc@lists.librecores.org,
linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org,
linux-sh@vger.kernel.org, sparclinux@vger.kernel.org,
linux-um@lists.infradead.org, linux-xtensa@linux-xtensa.org,
Paul Walmsley <paul.walmsley@sifive.com>,
aou@eecs.berkeley.edu
Subject: Re: [PATCH mm-unstable v1 19/26] riscv/mm: support __HAVE_ARCH_PTE_SWP_EXCLUSIVE
Date: Tue, 28 Feb 2023 16:56:30 +0100 [thread overview]
Message-ID: <bd656b2c-9a20-dea9-dcef-9cc965bccc9e@redhat.com> (raw)
In-Reply-To: <mhng-b8dc8a57-dde0-4995-bbb7-3948a95ba0b1@palmer-ri-x1c9a>
On 28.02.23 16:50, Palmer Dabbelt wrote:
> On Fri, 13 Jan 2023 09:10:19 PST (-0800), david@redhat.com wrote:
>> Let's support __HAVE_ARCH_PTE_SWP_EXCLUSIVE by stealing one bit
>> from the offset. This reduces the maximum swap space per file: on 32bit
>> to 16 GiB (was 32 GiB).
>
> Seems fine to me, I doubt anyone wants a huge pile of swap on rv32.
Patch is already upstream, so we can't add tags unfortunately. Thanks
for the review!
--
Thanks,
David / dhildenb
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next prev parent reply other threads:[~2023-02-28 15:56 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-13 17:10 [PATCH mm-unstable v1 00/26] mm: support __HAVE_ARCH_PTE_SWP_EXCLUSIVE on all architectures with swap PTEs David Hildenbrand
2023-01-13 17:10 ` [PATCH mm-unstable v1 01/26] mm/debug_vm_pgtable: more pte_swp_exclusive() sanity checks David Hildenbrand
2023-01-14 16:09 ` David Hildenbrand
2023-01-13 17:10 ` [PATCH mm-unstable v1 02/26] alpha/mm: support __HAVE_ARCH_PTE_SWP_EXCLUSIVE David Hildenbrand
2023-01-13 17:10 ` [PATCH mm-unstable v1 03/26] arc/mm: " David Hildenbrand
2023-01-13 17:10 ` [PATCH mm-unstable v1 04/26] arm/mm: " David Hildenbrand
2023-01-13 17:38 ` Russell King (Oracle)
2023-02-07 0:32 ` Mark Brown
2023-02-08 14:12 ` David Hildenbrand
2023-02-08 16:39 ` Mark Brown
2023-01-13 17:10 ` [PATCH mm-unstable v1 05/26] csky/mm: " David Hildenbrand
2023-01-13 17:10 ` [PATCH mm-unstable v1 06/26] hexagon/mm: " David Hildenbrand
2023-01-13 17:10 ` [PATCH mm-unstable v1 07/26] ia64/mm: " David Hildenbrand
2023-01-13 17:10 ` [PATCH mm-unstable v1 08/26] loongarch/mm: " David Hildenbrand
2023-01-13 17:10 ` [PATCH mm-unstable v1 09/26] m68k/mm: remove dummy __swp definitions for nommu David Hildenbrand
2023-01-13 17:10 ` [PATCH mm-unstable v1 10/26] m68k/mm: support __HAVE_ARCH_PTE_SWP_EXCLUSIVE David Hildenbrand
2023-01-13 17:10 ` [PATCH mm-unstable v1 11/26] microblaze/mm: " David Hildenbrand
2023-02-26 20:13 ` Geert Uytterhoeven
2023-02-27 13:31 ` David Hildenbrand
2023-02-27 14:43 ` Geert Uytterhoeven
2023-02-27 17:01 ` David Hildenbrand
2023-02-27 19:46 ` Geert Uytterhoeven
2023-02-28 15:55 ` David Hildenbrand
2023-01-13 17:10 ` [PATCH mm-unstable v1 12/26] mips/mm: " David Hildenbrand
2023-01-13 17:10 ` [PATCH mm-unstable v1 13/26] nios2/mm: refactor swap PTE layout David Hildenbrand
2023-01-13 17:10 ` [PATCH mm-unstable v1 14/26] nios2/mm: support __HAVE_ARCH_PTE_SWP_EXCLUSIVE David Hildenbrand
2023-01-13 17:10 ` [PATCH mm-unstable v1 15/26] openrisc/mm: " David Hildenbrand
2023-01-13 17:10 ` [PATCH mm-unstable v1 16/26] parisc/mm: " David Hildenbrand
2023-01-13 17:10 ` [PATCH mm-unstable v1 17/26] powerpc/mm: support __HAVE_ARCH_PTE_SWP_EXCLUSIVE on 32bit book3s David Hildenbrand
2023-02-10 5:08 ` Michael Ellerman
2023-01-13 17:10 ` [PATCH mm-unstable v1 18/26] powerpc/nohash/mm: support __HAVE_ARCH_PTE_SWP_EXCLUSIVE David Hildenbrand
2023-01-13 17:10 ` [PATCH mm-unstable v1 19/26] riscv/mm: " David Hildenbrand
2023-02-28 15:50 ` Palmer Dabbelt
2023-02-28 15:56 ` David Hildenbrand [this message]
2023-01-13 17:10 ` [PATCH mm-unstable v1 20/26] sh/mm: " David Hildenbrand
2023-01-13 17:10 ` [PATCH mm-unstable v1 21/26] sparc/mm: support __HAVE_ARCH_PTE_SWP_EXCLUSIVE on 32bit David Hildenbrand
2023-01-13 17:10 ` [PATCH mm-unstable v1 22/26] sparc/mm: support __HAVE_ARCH_PTE_SWP_EXCLUSIVE on 64bit David Hildenbrand
2023-01-13 17:10 ` [PATCH mm-unstable v1 23/26] um/mm: support __HAVE_ARCH_PTE_SWP_EXCLUSIVE David Hildenbrand
2023-01-13 17:10 ` [PATCH mm-unstable v1 24/26] x86/mm: support __HAVE_ARCH_PTE_SWP_EXCLUSIVE also on 32bit David Hildenbrand
2023-01-13 17:10 ` [PATCH mm-unstable v1 25/26] xtensa/mm: support __HAVE_ARCH_PTE_SWP_EXCLUSIVE David Hildenbrand
2023-01-13 17:10 ` [PATCH mm-unstable v1 26/26] mm: remove __HAVE_ARCH_PTE_SWP_EXCLUSIVE David Hildenbrand
2023-02-28 21:11 ` [PATCH mm-unstable v1 00/26] mm: support __HAVE_ARCH_PTE_SWP_EXCLUSIVE on all architectures with swap PTEs patchwork-bot+linux-riscv
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