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linux-s390@vger.kernel.org, sparclinux@vger.kernel.org, fuse-devel@lists.linux.dev Subject: Re: [PATCH 27/39] mm: rename is_vm_hugetlb_page() to vma_is_hugetlb() In-Reply-To: <20260908-b4-mmap-prepare-vma-flag-sanify-v1-27-dacf19cce22b@kernel.org> References: <20260908-b4-mmap-prepare-vma-flag-sanify-v1-0-dacf19cce22b@kernel.org> <20260908-b4-mmap-prepare-vma-flag-sanify-v1-27-dacf19cce22b@kernel.org> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM-LB/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL-LB/10.8 EasyPG/1.0.0 Emacs/30.1 (aarch64-unknown-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=US-ASCII X-SA-Exim-Connect-IP: 185.219.108.64 X-SA-Exim-Rcpt-To: ljs@kernel.org, akpm@linux-foundation.org, liam@infradead.org, vbabka@kernel.org, jannh@google.com, pfalcato@suse.de, david@kernel.org, rppt@kernel.org, surenb@google.com, mhocko@suse.com, corbet@lwn.net, gregkh@linuxfoundation.org, 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 anALIUUM q9+vCGUnottURECn+VyMhnsNHTAneZY844fvBCWAyVUTP7mmOYIyAE+nR85485vyxJm4D1iJIQAa33cP9bWct9L3cLfHj702Bc4JFcwgQt9MqgNApihzRZ/vqRH4YzNWH7hhqaTcUHI97tXH2uE6OVVVYk84B8YmyAc04kB2qTSjbnSwhOZEe4RbLVE6Buf3AxIM08rlBKJTgxs+Kmh9tkJCHfzrNk8ei0JNwODNfmsAWo+3vjyXOt9IoeUaEeFNEOitdhy6H5ZwxkTfwM8mO0REs6Vye/lxH59Pw+O/DZHuzJ1DtIluc1IT5xvqSfgLmrJq7R0UsOnZRXZMfR5rIt Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Tue, 08 Sep 2026 21:01:31 +0100, "Lorenzo Stoakes (ARM)" wrote: > > The is_vm_hugetlb_page() predicate is badly named - the mapping can span > more than a page and it is inconsistent with other VMA predicates that > typically are prefixed by vma_. > > Rename to vma_is_hugetlb() for consistency, and while we're here update > some VM_BUG_ON_VMA() to VM_WARN_ON_ONCE_VMA() as to avoid unnecessary > oopses. > > No functional change intended. > > Signed-off-by: Lorenzo Stoakes (ARM) > --- > arch/arm64/kvm/mmu.c | 4 ++-- > arch/powerpc/mm/book3s64/radix_tlb.c | 6 +++--- > arch/powerpc/mm/nohash/e500_hugetlbpage.c | 2 +- > arch/powerpc/mm/nohash/tlb.c | 2 +- > arch/riscv/kvm/mmu.c | 2 +- > arch/riscv/mm/tlbflush.c | 2 +- > arch/s390/mm/gmap_helpers.c | 6 +++--- > arch/sparc/mm/init_64.c | 2 +- > drivers/gpu/drm/drm_gpusvm.c | 2 +- > fs/coredump.c | 2 +- > fs/hugetlbfs/inode.c | 2 +- > fs/proc/task_mmu.c | 8 ++++---- > include/asm-generic/tlb.h | 2 +- > include/linux/hugetlb.h | 4 ++-- > include/linux/mm.h | 19 ++++++++++++++++--- > include/linux/rmap.h | 2 +- > kernel/events/core.c | 2 +- > kernel/sched/fair.c | 2 +- > mm/gup.c | 4 ++-- > mm/huge_memory.c | 2 +- > mm/hugetlb.c | 14 +++++++------- > mm/internal.h | 2 +- > mm/madvise.c | 4 ++-- > mm/memory.c | 12 ++++++------ > mm/mempolicy.c | 2 +- > mm/migrate_device.c | 2 +- > mm/mmap.c | 2 +- > mm/mmu_gather.c | 2 +- > mm/mprotect.c | 2 +- > mm/mremap.c | 6 +++--- > mm/page_vma_mapped.c | 4 ++-- > mm/pagewalk.c | 2 +- > mm/swapfile.c | 2 +- > mm/userfaultfd.c | 26 +++++++++++++------------- > mm/vma.c | 8 ++++---- > mm/vmscan.c | 2 +- > tools/testing/vma/include/stubs.h | 2 +- > 37 files changed, 92 insertions(+), 79 deletions(-) > > diff --git a/arch/arm64/kvm/mmu.c b/arch/arm64/kvm/mmu.c > index 9ba86450fe4a..a7968f8d24bf 100644 > --- a/arch/arm64/kvm/mmu.c > +++ b/arch/arm64/kvm/mmu.c > @@ -1463,13 +1463,13 @@ static int get_vma_page_shift(struct vm_area_struct *vma, unsigned long hva) > { > unsigned long pa; > > - if (is_vm_hugetlb_page(vma) && !(vma->vm_flags & VM_PFNMAP)) > + if (vma_is_hugetlb(vma) && !(vma->vm_flags & VM_PFNMAP)) > return huge_page_shift(hstate_vma(vma)); > > if (!(vma->vm_flags & VM_PFNMAP)) > return PAGE_SHIFT; > > - VM_BUG_ON(is_vm_hugetlb_page(vma)); > + VM_BUG_ON(vma_is_hugetlb(vma)); > > pa = (vma->vm_pgoff << PAGE_SHIFT) + (hva - vma->vm_start); > Acked-by: Marc Zyngier M. -- Without deviation from the norm, progress is not possible.