From: Claudio Imbrenda <imbrenda@linux.ibm.com>
To: "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
David Hildenbrand <david@kernel.org>,
Mike Rapoport <rppt@kernel.org>, Jonathan Corbet <corbet@lwn.net>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Jason Gunthorpe <jgg@ziepe.ca>,
John Hubbard <jhubbard@nvidia.com>,
Peter Zijlstra <peterz@infradead.org>,
Thomas Gleixner <tglx@kernel.org>, Ingo Molnar <mingo@redhat.com>,
Borislav Petkov <bp@alien8.de>,
Mark Rutland <mark.rutland@arm.com>,
Nick Piggin <npiggin@gmail.com>, Arnd Bergmann <arnd@arndb.de>,
"Matthew Wilcox (Oracle)" <willy@infradead.org>,
Marc Zyngier <maz@kernel.org>,
Christian Borntraeger <borntraeger@linux.ibm.com>,
Janosch Frank <frankja@linux.ibm.com>,
Alexander Gordeev <agordeev@linux.ibm.com>,
Gerald Schaefer <gerald.schaefer@linux.ibm.com>,
Heiko Carstens <hca@linux.ibm.com>,
Vasily Gorbik <gor@linux.ibm.com>,
"David S. Miller" <davem@davemloft.net>,
Alexander Viro <viro@zeniv.linux.org.uk>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
kvm@vger.kernel.org, linux-s390@vger.kernel.org
Subject: Re: [PATCH 27/39] mm: rename is_vm_hugetlb_page() to vma_is_hugetlb()
Date: Wed, 9 Sep 2026 15:20:55 +0200 [thread overview]
Message-ID: <20260909152055.475f053c@p-imbrenda> (raw)
In-Reply-To: <aqFDKJlj76O1hR2R@gremlin>
On Wed, 9 Sep 2026 12:30:45 +0100
"Lorenzo Stoakes (ARM)" <ljs@kernel.org> wrote:
> On Wed, Sep 09, 2026 at 01:22:07PM +0200, Claudio Imbrenda wrote:
> > On Tue, 08 Sep 2026 21:01:31 +0100
> > "Lorenzo Stoakes (ARM)" <ljs@kernel.org> wrote:
> >
> > [please note that I had to prune the CC list quite aggressively because
> > my SMTP server was not happy]
>
> Yeah sorry about that, I already pruned the list a LOT from what b4 wanted, and
> still ended up with a ton of people (I consider maintainers for stuff I touch
> the minimum cc, but also added mm reviewers).
yeah I did not mean to fault you, I understand why the list was so
long. mine was just a courtesy warning in case people reply to this
[...]
> > > @@ -247,7 +247,7 @@ static int __gmap_helper_unshare_zeropages(struct mm_struct *mm)
> > > * proof to catch unexpected zeropages in other mappings and
> > > * fail.
> > > */
> > > - if ((vma->vm_flags & VM_PFNMAP) || is_vm_hugetlb_page(vma))
> > > + if ((vma->vm_flags & VM_PFNMAP) || vma_is_hugetlb(vma))
> >
> > Would it be possible to replace this ^ with !vma_can_gup() ?
> >
> > (obviously not in this patch, since vma_can_gup() is only introduced at
> > the end of the series)
>
> Sure, I could squash that into the 'use and apply vma_can_gup()' patch. Will do
> on next respin!
excellent, thanks!
>
> >
> > > continue;
> > > addr = vma->vm_start;
> > >
> >
> > [...]
>
> --
> Cheers, Lorenzo
next prev parent reply other threads:[~2026-09-09 13:21 UTC|newest]
Thread overview: 89+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-08 20:01 [PATCH 00/39] mm: make VMA flag semantics explicit, eliminate VM_SPECIAL Lorenzo Stoakes (ARM)
2026-09-08 20:01 ` [PATCH 01/39] mm/vma: predicate setting mmap_prepare VMA fields on new vma alloc Lorenzo Stoakes (ARM)
2026-09-08 20:42 ` sashiko-bot
2026-09-08 20:01 ` [PATCH 02/39] mm/vma: introduce and use vma_[flags_]can_merge() Lorenzo Stoakes (ARM)
2026-09-08 20:27 ` sashiko-bot
2026-09-08 20:01 ` [PATCH 03/39] mm: consistently validate VMA state after mmap[_prepare] hooks Lorenzo Stoakes (ARM)
2026-09-08 20:40 ` sashiko-bot
2026-09-08 20:01 ` [PATCH 04/39] mm/vma: ensure mmap_prepare doesn't set actions on a mergeable vma Lorenzo Stoakes (ARM)
2026-09-08 20:36 ` sashiko-bot
2026-09-08 20:01 ` [PATCH 05/39] mm: make map_kernel_pages_[prepare,complete] internal and unexported Lorenzo Stoakes (ARM)
2026-09-08 20:24 ` sashiko-bot
2026-09-08 20:01 ` [PATCH 06/39] mm/vma: tidy up map kernel pages enum values Lorenzo Stoakes (ARM)
2026-09-08 20:27 ` sashiko-bot
2026-09-08 20:01 ` [PATCH 07/39] mm: add mmap action for discontiguous kernel page mapping Lorenzo Stoakes (ARM)
2026-09-08 20:34 ` sashiko-bot
2026-09-08 20:01 ` [PATCH 08/39] docs: filesystems: update mmap_prepare docs for discontig kernel pgs Lorenzo Stoakes (ARM)
2026-09-08 20:38 ` sashiko-bot
2026-09-08 20:01 ` [PATCH 09/39] drivers/usb/mon: update to use mmap_prepare + map kernel pages Lorenzo Stoakes (ARM)
2026-09-08 20:35 ` sashiko-bot
2026-09-09 7:37 ` Greg Kroah-Hartman
2026-09-08 20:01 ` [PATCH 10/39] infiniband: update hfi1 to use remap_vmalloc_range() Lorenzo Stoakes (ARM)
2026-09-08 20:42 ` sashiko-bot
2026-09-08 20:01 ` [PATCH 11/39] selinux: reject writable opens of policy file, drop mmap shared/write check Lorenzo Stoakes (ARM)
2026-09-08 20:22 ` Jann Horn
2026-09-08 20:36 ` sashiko-bot
2026-09-10 18:11 ` Stephen Smalley
2026-09-08 20:01 ` [PATCH 12/39] ALSA: pcm: use vm_insert_page() to map PCM status page Lorenzo Stoakes (ARM)
2026-09-08 20:45 ` sashiko-bot
2026-09-10 16:15 ` Takashi Iwai
2026-09-08 20:01 ` [PATCH 13/39] bpf: arena: mark arena_map_mmap() mappings VM_MIXEDMAP Lorenzo Stoakes (ARM)
2026-09-08 20:34 ` sashiko-bot
2026-09-08 20:01 ` [PATCH 14/39] mm/vma: add vma[_flags]_is_kernel_owned() predicates Lorenzo Stoakes (ARM)
2026-09-08 20:28 ` sashiko-bot
2026-09-08 20:01 ` [PATCH 15/39] mm/vma: only allow mmap to clear VMA_MAYWRITE_BIT if kernel-owned Lorenzo Stoakes (ARM)
2026-09-08 20:42 ` sashiko-bot
2026-09-08 20:01 ` [PATCH 16/39] mm/vma: add and use vma_[flags]_is_fixed_mapping Lorenzo Stoakes (ARM)
2026-09-08 20:42 ` sashiko-bot
2026-09-08 20:01 ` [PATCH 17/39] scsi: sg: convert mmap hook to mmap_prepare and rework Lorenzo Stoakes (ARM)
2026-09-08 20:37 ` sashiko-bot
2026-09-08 20:01 ` [PATCH 18/39] fbdev: defio: assert FBINFO_VIRTFB, drop VM_IO, add VM_MIXEDMAP Lorenzo Stoakes (ARM)
2026-09-08 20:39 ` sashiko-bot
2026-09-08 20:01 ` [PATCH 19/39] HSI: cmt_speech: convert mmap hook to mmap_prepare, refactor Lorenzo Stoakes (ARM)
2026-09-08 20:36 ` sashiko-bot
2026-09-08 20:01 ` [PATCH 20/39] mm/gup: error out early on !VMA_MAYREAD_BIT VMAs Lorenzo Stoakes (ARM)
2026-09-08 20:36 ` sashiko-bot
2026-09-08 20:01 ` [PATCH 21/39] uprobes: remove VM_IO, set VM_MIXEDMAP for mapped kernel pages Lorenzo Stoakes (ARM)
2026-09-08 20:36 ` sashiko-bot
2026-09-08 20:01 ` [PATCH 22/39] mm/mlock: clear VMA_LOCKED_MASK over mmap callback Lorenzo Stoakes (ARM)
2026-09-08 20:38 ` sashiko-bot
2026-09-08 20:01 ` [PATCH 23/39] mm/mlock: eliminate weird VMA_IO_BIT abuse and simplify Lorenzo Stoakes (ARM)
2026-09-08 20:47 ` sashiko-bot
2026-09-08 20:01 ` [PATCH 24/39] mm/vma: enforce that only kernel-owned mappings may set VMA_IO_BIT Lorenzo Stoakes (ARM)
2026-09-08 20:47 ` sashiko-bot
2026-09-08 20:01 ` [PATCH 25/39] mm: remove VMA_IO_BIT check in vma[_flags]_is_kernel_owned() Lorenzo Stoakes (ARM)
2026-09-08 20:37 ` sashiko-bot
2026-09-08 20:01 ` [PATCH 26/39] mm: remove hugetlb_inline.h Lorenzo Stoakes (ARM)
2026-09-08 20:34 ` sashiko-bot
2026-09-08 20:01 ` [PATCH 27/39] mm: rename is_vm_hugetlb_page() to vma_is_hugetlb() Lorenzo Stoakes (ARM)
2026-09-08 20:40 ` sashiko-bot
2026-09-09 11:09 ` Anup Patel
2026-09-09 11:22 ` Claudio Imbrenda
2026-09-09 11:30 ` Lorenzo Stoakes (ARM)
2026-09-09 13:20 ` Claudio Imbrenda [this message]
2026-09-09 12:07 ` Marc Zyngier
2026-09-08 20:01 ` [PATCH 28/39] mm: drop some redundant checks around hugetlb VMAs Lorenzo Stoakes (ARM)
2026-09-08 20:39 ` sashiko-bot
2026-09-09 12:08 ` Marc Zyngier
2026-09-08 20:01 ` [PATCH 29/39] mm/madvise: update is_valid_guard_vma() to use vma_can_merge() Lorenzo Stoakes (ARM)
2026-09-08 20:45 ` sashiko-bot
2026-09-08 20:01 ` [PATCH 30/39] mm/vma: introduce vma[_flags]_is_persistent() Lorenzo Stoakes (ARM)
2026-09-08 20:47 ` sashiko-bot
2026-09-08 20:01 ` [PATCH 31/39] mm/uffd: use predicates for userfaultfd checks Lorenzo Stoakes (ARM)
2026-09-08 20:45 ` sashiko-bot
2026-09-08 20:01 ` [PATCH 32/39] mm/madvise: use predicates for madvise(..., MADV_DOFORK) Lorenzo Stoakes (ARM)
2026-09-08 20:48 ` sashiko-bot
2026-09-08 20:01 ` [PATCH 33/39] mm: eliminate VMA_SPECIAL_FLAGS usage when hugetlb explicitly tested Lorenzo Stoakes (ARM)
2026-09-08 20:42 ` sashiko-bot
2026-09-08 20:01 ` [PATCH 34/39] mm: eliminate VMA_SPECIAL_FLAGS check in lru_gen_look_around() Lorenzo Stoakes (ARM)
2026-09-08 20:45 ` sashiko-bot
2026-09-08 20:01 ` [PATCH 35/39] mm: avoid use of VMA_SPECIAL_FLAGS in migrate_vma_setup() Lorenzo Stoakes (ARM)
2026-09-08 20:47 ` sashiko-bot
2026-09-08 20:01 ` [PATCH 36/39] mm: eliminate VM_SPECIAL, VMA_SPECIAL_FLAGS Lorenzo Stoakes (ARM)
2026-09-08 20:41 ` sashiko-bot
2026-09-08 20:01 ` [PATCH 37/39] fuse: dax: do not set VM_MIXEDMAP Lorenzo Stoakes (ARM)
2026-09-08 20:50 ` sashiko-bot
2026-09-08 20:01 ` [PATCH 38/39] mm/huge_memory: remove vma_is_special_huge() Lorenzo Stoakes (ARM)
2026-09-08 20:45 ` sashiko-bot
2026-09-08 20:01 ` [PATCH 39/39] mm/vma: introduce and use vma[_flags]_can_gup() Lorenzo Stoakes (ARM)
2026-09-08 20:44 ` sashiko-bot
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