From: Jason Gunthorpe <jgg@nvidia.com>
To: Jiaqi Yan <jiaqiyan@google.com>
Cc: Peter Xu <peterx@redhat.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
Gavin Shan <gshan@redhat.com>,
Catalin Marinas <catalin.marinas@arm.com>,
x86@kernel.org, Ingo Molnar <mingo@redhat.com>,
Andrew Morton <akpm@linux-foundation.org>,
Paolo Bonzini <pbonzini@redhat.com>,
Dave Hansen <dave.hansen@linux.intel.com>,
Thomas Gleixner <tglx@linutronix.de>,
Alistair Popple <apopple@nvidia.com>,
kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
Sean Christopherson <seanjc@google.com>,
Oscar Salvador <osalvador@suse.de>,
Borislav Petkov <bp@alien8.de>, Zi Yan <ziy@nvidia.com>,
Axel Rasmussen <axelrasmussen@google.com>,
David Hildenbrand <david@redhat.com>,
Yan Zhao <yan.y.zhao@intel.com>, Will Deacon <will@kernel.org>,
Kefeng Wang <wangkefeng.wang@huawei.com>,
Alex Williamson <alex.williamson@redhat.com>
Subject: Re: [PATCH v2 00/19] mm: Support huge pfnmaps
Date: Wed, 28 Aug 2024 11:24:22 -0300 [thread overview]
Message-ID: <20240828142422.GU3773488@nvidia.com> (raw)
In-Reply-To: <CACw3F52_LtLzRD479piaFJSePjA-DKG08o-hGT-f8R5VV94S=Q@mail.gmail.com>
On Tue, Aug 27, 2024 at 05:42:21PM -0700, Jiaqi Yan wrote:
> Instead of removing the whole pud, can driver or memory_failure do
> something similar to non-struct-page-version of split_huge_page? So
> driver doesn't need to re-fault good pages back?
It would be far nicer if we didn't have to poke a hole in a 1G mapping
just for memory failure reporting.
Jason
next prev parent reply other threads:[~2024-08-28 14:24 UTC|newest]
Thread overview: 70+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-08-26 20:43 [PATCH v2 00/19] mm: Support huge pfnmaps Peter Xu
2024-08-26 20:43 ` [PATCH v2 01/19] mm: Introduce ARCH_SUPPORTS_HUGE_PFNMAP and special bits to pmd/pud Peter Xu
2024-08-26 20:43 ` [PATCH v2 02/19] mm: Drop is_huge_zero_pud() Peter Xu
2024-08-26 20:43 ` [PATCH v2 03/19] mm: Mark special bits for huge pfn mappings when inject Peter Xu
2024-08-28 15:31 ` David Hildenbrand
2024-08-26 20:43 ` [PATCH v2 04/19] mm: Allow THP orders for PFNMAPs Peter Xu
2024-08-28 15:31 ` David Hildenbrand
2024-08-26 20:43 ` [PATCH v2 05/19] mm/gup: Detect huge pfnmap entries in gup-fast Peter Xu
2024-08-26 20:43 ` [PATCH v2 06/19] mm/pagewalk: Check pfnmap for folio_walk_start() Peter Xu
2024-08-28 7:44 ` David Hildenbrand
2024-08-28 14:24 ` Peter Xu
2024-08-28 15:30 ` David Hildenbrand
2024-08-28 19:45 ` Peter Xu
2024-08-28 23:46 ` Jason Gunthorpe
2024-08-29 6:35 ` David Hildenbrand
2024-08-29 18:45 ` Peter Xu
2024-08-29 15:10 ` David Hildenbrand
2024-08-29 18:49 ` Peter Xu
2024-08-26 20:43 ` [PATCH v2 07/19] mm/fork: Accept huge pfnmap entries Peter Xu
2024-08-29 15:10 ` David Hildenbrand
2024-08-29 18:26 ` Peter Xu
2024-08-29 19:44 ` David Hildenbrand
2024-08-29 20:01 ` Peter Xu
2024-09-02 7:58 ` Yan Zhao
2024-09-03 21:23 ` Peter Xu
2024-09-09 22:25 ` Andrew Morton
2024-09-09 22:43 ` Peter Xu
2024-09-09 23:15 ` Andrew Morton
2024-09-10 0:08 ` Peter Xu
2024-09-10 2:52 ` Yan Zhao
2024-09-10 12:16 ` Peter Xu
2024-09-11 2:16 ` Yan Zhao
2024-09-11 14:34 ` Peter Xu
2024-08-26 20:43 ` [PATCH v2 08/19] mm: Always define pxx_pgprot() Peter Xu
2024-08-26 20:43 ` [PATCH v2 09/19] mm: New follow_pfnmap API Peter Xu
2024-08-26 20:43 ` [PATCH v2 10/19] KVM: Use " Peter Xu
2024-08-26 20:43 ` [PATCH v2 11/19] s390/pci_mmio: " Peter Xu
2024-08-26 20:43 ` [PATCH v2 12/19] mm/x86/pat: Use the new " Peter Xu
2024-08-26 20:43 ` [PATCH v2 13/19] vfio: " Peter Xu
2024-08-26 20:43 ` [PATCH v2 14/19] acrn: " Peter Xu
2024-08-26 20:43 ` [PATCH v2 15/19] mm/access_process_vm: " Peter Xu
2024-08-26 20:43 ` [PATCH v2 16/19] mm: Remove follow_pte() Peter Xu
2024-09-01 4:33 ` Yu Zhao
2024-09-01 13:39 ` David Hildenbrand
2024-08-26 20:43 ` [PATCH v2 17/19] mm/x86: Support large pfn mappings Peter Xu
2024-08-26 20:43 ` [PATCH v2 18/19] mm/arm64: " Peter Xu
2025-03-19 22:22 ` Keith Busch
2025-03-19 22:46 ` Peter Xu
2025-03-19 22:53 ` Keith Busch
2024-08-26 20:43 ` [PATCH v2 19/19] vfio/pci: Implement huge_fault support Peter Xu
2024-08-27 21:00 ` kernel test robot
2024-08-27 22:36 ` [PATCH v2 00/19] mm: Support huge pfnmaps Jiaqi Yan
2024-08-27 22:57 ` Peter Xu
2024-08-28 0:42 ` Jiaqi Yan
2024-08-28 0:46 ` Jiaqi Yan
2024-08-28 14:24 ` Jason Gunthorpe [this message]
2024-08-28 16:10 ` Jiaqi Yan
2024-08-28 23:49 ` Jason Gunthorpe
2024-08-29 19:21 ` Jiaqi Yan
2024-09-04 15:52 ` Jason Gunthorpe
2024-09-04 16:38 ` Jiaqi Yan
2024-09-04 16:43 ` Jason Gunthorpe
2024-09-04 16:58 ` Jiaqi Yan
2024-09-04 17:00 ` Jason Gunthorpe
2024-09-04 17:07 ` Jiaqi Yan
2024-09-09 3:56 ` Ankit Agrawal
2024-08-28 14:41 ` Peter Xu
2024-08-28 16:23 ` Jiaqi Yan
2024-09-09 4:03 ` Ankit Agrawal
2024-09-09 15:03 ` Peter Xu
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