From: sashiko-bot@kernel.org
To: "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
Cc: linux-trace-kernel@vger.kernel.org,
"Marc Zyngier" <maz@kernel.org>,
"Heiko Carstens" <hca@linux.ibm.com>,
kvm@vger.kernel.org, bpf@vger.kernel.org,
linux-s390@vger.kernel.org, linux-scsi@vger.kernel.org,
kvmarm@lists.linux.dev, "Oliver Upton" <oupton@kernel.org>,
"Christian Borntraeger" <borntraeger@linux.ibm.com>,
"Alexander Gordeev" <agordeev@linux.ibm.com>,
linux-perf-users@vger.kernel.org, selinux@vger.kernel.org,
dri-devel@lists.freedesktop.org, linux-rdma@vger.kernel.org,
"Vasily Gorbik" <gor@linux.ibm.com>,
linux-usb@vger.kernel.org
Subject: Re: [PATCH v5 08/38] docs: filesystems: update mmap_prepare docs for discontig kernel pgs
Date: Fri, 09 Oct 2026 18:19:02 +0000 [thread overview]
Message-ID: <sashiko-outbox-165929@kernel.org> (raw)
In-Reply-To: <20261009-b4-mmap-prepare-vma-flag-sanify-v5-8-923b70125b1e@kernel.org>
> Describe the newly introduced discontiguous kernel page mapping mechanism,
> detailing how to use it sensibly and how the API looks.
>
> Explicitly detail the various discontiguous actions available and how to
> use them.
>
> Reviewed-by: Suren Baghdasaryan <surenb@google.com>
> Signed-off-by: Lorenzo Stoakes (ARM) <ljs@kernel.org>
Sashiko has reviewed this patch and found no issues. It looks great!
--
Sashiko AI review · https://sashiko.dev/#/patchset/20261009-b4-mmap-prepare-vma-flag-sanify-v5-0-923b70125b1e@kernel.org?part=8
next prev parent reply other threads:[~2026-10-09 18:19 UTC|newest]
Thread overview: 115+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-09 18:03 [PATCH v5 00/38] mm: make VMA flag semantics explicit, eliminate VM_SPECIAL Lorenzo Stoakes (ARM)
2026-10-09 18:03 ` [PATCH v5 01/38] mm/vma: fix mmap_prepare file handling, remove file_doesnt_need_get Lorenzo Stoakes (ARM)
2026-10-09 18:24 ` sashiko-bot
2026-10-09 18:03 ` [PATCH v5 02/38] mm/vma: introduce and use vma_[flags_]can_merge() Lorenzo Stoakes (ARM)
2026-10-09 18:21 ` sashiko-bot
2026-10-09 18:03 ` [PATCH v5 03/38] mm: consistently validate VMA state after mmap[_prepare] hooks Lorenzo Stoakes (ARM)
2026-10-09 18:33 ` sashiko-bot
2026-10-09 18:03 ` [PATCH v5 04/38] mm/vma: ensure mmap_prepare doesn't set actions on a mergeable vma Lorenzo Stoakes (ARM)
2026-10-09 18:22 ` sashiko-bot
2026-10-09 18:03 ` [PATCH v5 05/38] mm: make map_kernel_pages_[prepare,complete] internal and unexported Lorenzo Stoakes (ARM)
2026-10-09 18:20 ` sashiko-bot
2026-10-09 18:04 ` [PATCH v5 06/38] mm/vma: tidy up map kernel pages enum values Lorenzo Stoakes (ARM)
2026-10-09 18:20 ` sashiko-bot
2026-10-09 18:04 ` [PATCH v5 07/38] mm: add mmap action for discontiguous kernel page mapping Lorenzo Stoakes (ARM)
2026-10-09 18:29 ` sashiko-bot
2026-10-12 15:03 ` David Hildenbrand (Arm)
2026-10-12 17:46 ` Lorenzo Stoakes (ARM)
2026-10-12 19:02 ` David Hildenbrand (Arm)
2026-10-09 18:04 ` [PATCH v5 08/38] docs: filesystems: update mmap_prepare docs for discontig kernel pgs Lorenzo Stoakes (ARM)
2026-10-09 18:19 ` sashiko-bot [this message]
2026-10-09 18:04 ` [PATCH v5 09/38] drivers/usb/mon: update to use mmap_prepare + map kernel pages Lorenzo Stoakes (ARM)
2026-10-09 18:32 ` sashiko-bot
2026-10-09 18:04 ` [PATCH v5 10/38] infiniband: update hfi1 to use remap_vmalloc_range() Lorenzo Stoakes (ARM)
2026-10-09 18:30 ` sashiko-bot
2026-10-09 18:04 ` [PATCH v5 11/38] selinux: reject writable opens of policy file, drop mmap shared/write check Lorenzo Stoakes (ARM)
2026-10-09 18:26 ` sashiko-bot
2026-10-12 15:06 ` David Hildenbrand (Arm)
2026-10-09 18:04 ` [PATCH v5 12/38] ALSA: pcm: use vm_insert_page() to map PCM status page Lorenzo Stoakes (ARM)
2026-10-09 18:38 ` sashiko-bot
2026-10-09 18:04 ` [PATCH v5 13/38] bpf: arena: mark arena_map_mmap() mappings VM_MIXEDMAP Lorenzo Stoakes (ARM)
2026-10-09 18:30 ` sashiko-bot
2026-10-12 15:08 ` David Hildenbrand (Arm)
2026-10-12 15:55 ` Lorenzo Stoakes (ARM)
2026-10-12 18:56 ` David Hildenbrand (Arm)
2026-10-12 19:11 ` Lorenzo Stoakes (ARM)
2026-10-09 18:04 ` [PATCH v5 14/38] mm/vma: add vma[_flags]_is_mm_managed() predicates Lorenzo Stoakes (ARM)
2026-10-09 18:26 ` sashiko-bot
2026-10-12 18:06 ` David Hildenbrand (Arm)
2026-10-12 18:15 ` Lorenzo Stoakes (ARM)
2026-10-09 18:04 ` [PATCH v5 15/38] mm/vma: only allow mmap to clear VMA_MAYWRITE_BIT if not mm-managed Lorenzo Stoakes (ARM)
2026-10-09 18:25 ` sashiko-bot
2026-10-12 18:07 ` David Hildenbrand (Arm)
2026-10-09 18:04 ` [PATCH v5 16/38] mm/vma: add and use vma_[flags]_is_fixed_mapping Lorenzo Stoakes (ARM)
2026-10-09 18:29 ` sashiko-bot
2026-10-12 18:11 ` David Hildenbrand (Arm)
2026-10-09 18:04 ` [PATCH v5 17/38] scsi: sg: convert mmap hook to mmap_prepare and rework Lorenzo Stoakes (ARM)
2026-10-09 18:44 ` sashiko-bot
2026-10-09 18:04 ` [PATCH v5 18/38] fbdev: defio: assert FBINFO_VIRTFB, drop VM_IO, add VM_MIXEDMAP Lorenzo Stoakes (ARM)
2026-10-09 18:36 ` sashiko-bot
2026-10-12 18:12 ` David Hildenbrand (Arm)
2026-10-09 18:04 ` [PATCH v5 19/38] HSI: cmt_speech: convert mmap hook to mmap_prepare, refactor Lorenzo Stoakes (ARM)
2026-10-09 18:39 ` sashiko-bot
2026-10-09 18:04 ` [PATCH v5 20/38] mm/gup: error out early on !VMA_MAYREAD_BIT VMAs Lorenzo Stoakes (ARM)
2026-10-09 18:34 ` sashiko-bot
2026-10-12 18:15 ` David Hildenbrand (Arm)
2026-10-09 18:04 ` [PATCH v5 21/38] uprobes: remove VM_IO, set VM_MIXEDMAP for mapped kernel pages Lorenzo Stoakes (ARM)
2026-10-09 18:41 ` sashiko-bot
2026-10-12 18:16 ` David Hildenbrand (Arm)
2026-10-12 18:20 ` Lorenzo Stoakes (ARM)
2026-10-09 18:04 ` [PATCH v5 22/38] mm/mlock: clear VMA_LOCKED_MASK over mmap callback Lorenzo Stoakes (ARM)
2026-10-09 18:40 ` sashiko-bot
2026-10-12 18:19 ` David Hildenbrand (Arm)
2026-10-12 18:23 ` Lorenzo Stoakes (ARM)
2026-10-09 18:04 ` [PATCH v5 23/38] mm/mlock: eliminate weird VMA_IO_BIT abuse and simplify Lorenzo Stoakes (ARM)
2026-10-09 18:49 ` sashiko-bot
2026-10-12 18:23 ` David Hildenbrand (Arm)
2026-10-12 18:38 ` Lorenzo Stoakes (ARM)
2026-10-09 18:04 ` [PATCH v5 24/38] mm/vma: enforce that mm-managed mappings may not set VMA_IO_BIT Lorenzo Stoakes (ARM)
2026-10-09 18:36 ` sashiko-bot
2026-10-12 18:25 ` David Hildenbrand (Arm)
2026-10-12 18:35 ` Lorenzo Stoakes (ARM)
2026-10-12 18:39 ` David Hildenbrand (Arm)
2026-10-12 18:48 ` Lorenzo Stoakes (ARM)
2026-10-12 18:51 ` David Hildenbrand (Arm)
2026-10-12 18:57 ` Lorenzo Stoakes (ARM)
2026-10-09 18:04 ` [PATCH v5 25/38] mm: remove VMA_IO_BIT check in vma[_flags]_is_mm_managed() Lorenzo Stoakes (ARM)
2026-10-09 18:43 ` sashiko-bot
2026-10-12 18:31 ` David Hildenbrand (Arm)
2026-10-12 18:42 ` Lorenzo Stoakes (ARM)
2026-10-09 18:04 ` [PATCH v5 26/38] mm: remove hugetlb_inline.h Lorenzo Stoakes (ARM)
2026-10-09 18:38 ` sashiko-bot
2026-10-09 18:04 ` [PATCH v5 27/38] mm: rename is_vm_hugetlb_page() to vma_is_hugetlb() Lorenzo Stoakes (ARM)
2026-10-09 18:40 ` sashiko-bot
2026-10-09 18:04 ` [PATCH v5 28/38] mm: drop some redundant checks around hugetlb VMAs Lorenzo Stoakes (ARM)
2026-10-09 18:43 ` sashiko-bot
2026-10-09 18:04 ` [PATCH v5 29/38] mm/madvise: update is_valid_guard_vma() to use vma_can_merge() Lorenzo Stoakes (ARM)
2026-10-09 18:44 ` sashiko-bot
2026-10-09 18:04 ` [PATCH v5 30/38] mm/vma: introduce vma[_flags]_is_mm_backed() Lorenzo Stoakes (ARM)
2026-10-09 18:48 ` sashiko-bot
2026-10-12 18:45 ` David Hildenbrand (Arm)
2026-10-12 18:46 ` David Hildenbrand (Arm)
2026-10-13 10:57 ` Lorenzo Stoakes (ARM)
2026-10-09 18:04 ` [PATCH v5 31/38] mm/uffd: use predicates for userfaultfd checks Lorenzo Stoakes (ARM)
2026-10-09 18:46 ` sashiko-bot
2026-10-12 18:48 ` David Hildenbrand (Arm)
2026-10-09 18:04 ` [PATCH v5 32/38] mm/madvise: use predicates for madvise(..., MADV_DOFORK) Lorenzo Stoakes (ARM)
2026-10-09 18:47 ` sashiko-bot
2026-10-12 18:48 ` David Hildenbrand (Arm)
2026-10-09 18:04 ` [PATCH v5 33/38] mm: eliminate VMA_SPECIAL_FLAGS usage when hugetlb explicitly tested Lorenzo Stoakes (ARM)
2026-10-09 18:47 ` sashiko-bot
2026-10-12 18:49 ` David Hildenbrand (Arm)
2026-10-09 18:04 ` [PATCH v5 34/38] mm: eliminate VMA_SPECIAL_FLAGS check in lru_gen_look_around() Lorenzo Stoakes (ARM)
2026-10-09 18:49 ` sashiko-bot
2026-10-12 18:50 ` David Hildenbrand (Arm)
2026-10-09 18:04 ` [PATCH v5 35/38] mm: avoid use of VMA_SPECIAL_FLAGS in migrate_vma_setup() Lorenzo Stoakes (ARM)
2026-10-09 18:50 ` sashiko-bot
2026-10-12 18:52 ` David Hildenbrand (Arm)
2026-10-09 18:04 ` [PATCH v5 36/38] mm: eliminate VM_SPECIAL, VMA_SPECIAL_FLAGS Lorenzo Stoakes (ARM)
2026-10-09 18:48 ` sashiko-bot
2026-10-09 18:04 ` [PATCH v5 37/38] fuse: dax: do not set VM_MIXEDMAP Lorenzo Stoakes (ARM)
2026-10-09 18:56 ` sashiko-bot
2026-10-09 18:04 ` [PATCH v5 38/38] mm/huge_memory: remove vma_is_special_huge() Lorenzo Stoakes (ARM)
2026-10-09 18:52 ` sashiko-bot
2026-10-12 18:53 ` David Hildenbrand (Arm)
2026-10-10 22:00 ` [PATCH v5 00/38] mm: make VMA flag semantics explicit, eliminate VM_SPECIAL Andrew Morton
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