From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4A5B954DAC8; Wed, 9 Sep 2026 12:08:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788955684; cv=none; b=lXvxLdXGAwNPj1jDOkJzFnjPrrEl5Vi8zu+PoiqV3G44M8a07fMIomu/sj5H3oOReKeu7/9GNEpshtEY1ynFgWicPIpIG2uP+8jVG6NbxXwxQ+opHQoIu7+B3f5VApEDjW2ZdSbkDtO9ZkpRFOaEp0wokXeEsV17bW2cd57V4kM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788955684; c=relaxed/simple; bh=qhZzv3+w6u5VffgNW+o34f0K00FSNYAmal52FMUVvno=; h=Date:Message-ID:From:To:Cc:Subject:In-Reply-To:References: MIME-Version:Content-Type; b=CwDAawZmPhJmmgquBEl8FTuJ8q0VsdOLaDDudJYEwtNN+78wo7NeNESR8C/l76NNELwSF1PsvRdiLfokXlOlWMKXQzVokvZ5b/Bl/lIDYPBURsLTThG1IeJ9azTqdsi2lNVZEFa2dQhp26KcYg5BzfVimkMr966tWa54TniZGZw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=TLY49pi+; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="TLY49pi+" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 59B041F00A3D; Wed, 9 Sep 2026 12:08:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1788955682; bh=s0XvwQqrYpxLMLTJmGlP3OBogX+H2vHo2hOLlq5lC/4=; h=Date:From:To:Cc:Subject:In-Reply-To:References; b=TLY49pi+Cs7EEMaDTGcn4qy6Qpcb4tCLLQabsiuxRuieFcOduuhR0SXsNy/UqV053 LTLJzRsrZobFM+u8KAWi/AxL9rak8lF/hB3ASc5j/P5gK6JsTYTLznyOIjtDTtDa+k ORmjuFe/YcEbLMRVg0hXrf/0pz4nkqGBIjyKjBGWoHBcNRUe90PkvSLs5HLrZYszHB EdQZy99ss9QvvDBlcj1jiu7Nbzz/FMu6uLgae9WC6VNYg9MrsiTw00X9RT6CKbWfK3 uOoG3Ngxmo6HIBl33vl+TtXZPg1CPUWrOiI2FFoUv677uPNi2hHjh6Cry1F/dt0+F4 wpDbNWMsR4n5Q== Received: from sofa.misterjones.org ([185.219.108.64] helo=goblin-girl.misterjones.org) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.98.2) (envelope-from ) id 1x4H5r-00000006fj0-1Co8; Wed, 09 Sep 2026 12:07:59 +0000 Date: Wed, 09 Sep 2026 13:07:57 +0100 Message-ID: <86y0da39wi.wl-maz@kernel.org> From: Marc Zyngier To: "Lorenzo Stoakes (ARM)" Cc: Andrew Morton , "Liam R. Howlett" , Vlastimil Babka , Jann Horn , Pedro Falcato , David Hildenbrand , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Jonathan Corbet , Greg Kroah-Hartman , Dennis Dalessandro , Jason Gunthorpe , Leon Romanovsky , Paul Moore , Stephen Smalley , Jaroslav Kysela , Takashi Iwai , Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Eduard Zingerman , Kumar Kartikeya Dwivedi , Zi Yan , Baolin Wang , Nico Pache , Ryan Roberts , Dev Jain , Barry Song , Lance Yang , Usama Arif , Kiryl Shutsemau , Doug Gilbert , "James E.J. Bottomley" , "Martin K. Petersen" , Jaya Kumar , Simona Vetter , Helge Deller , Sebastian Reichel , John Hubbard , Peter Xu , Masami Hiramatsu , Oleg Nesterov , Peter Zijlstra , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, Arnaldo Carvalho de Melo , Namhyung Kim , Mark Rutland , Rik van Riel , Harry Yoo , Juri Lelli , Vincent Guittot , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Will Deacon , "Aneesh Kumar K.V" , Nick Piggin , Arnd Bergmann , Muchun Song , Oscar Salvador , "Matthew Wilcox (Oracle)" , Jan Kara , Oliver Upton , Catalin Marinas , Madhavan Srinivasan , Anup Patel , Paul Walmsley , Palmer Dabbelt , Albert Ou , Christian Borntraeger , Janosch Frank , Claudio Imbrenda , Alexander Gordeev , Gerald Schaefer , Heiko Carstens , Vasily Gorbik , "David S. Miller" , Andreas Larsson , Alexander Viro , Christian Brauner , Matthew Brost , Joshua Hahn , Rakie Kim , Byungchul Park , Gregory Price , Ying Huang , Alistair Popple , Chris Li , Kairui Song , Kemeng Shi , Nhat Pham , Baoquan He , Youngjun Park , Johannes Weiner , Qi Zheng , Shakeel Butt , Axel Rasmussen , Yuanchu Xie , Wei Xu , Xu Xin , Chengming Zhou , Michal Hocko , Miklos Szeredi , linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, linux-usb@vger.kernel.org, linux-rdma@vger.kernel.org, selinux@vger.kernel.org, linux-sound@vger.kernel.org, bpf@vger.kernel.org, linux-scsi@vger.kernel.org, linux-fbdev@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-trace-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, linux-arch@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, linuxppc-dev@lists.ozlabs.org, kvm@vger.kernel.org, kvm-riscv@lists.infradead.org, linux-riscv@lists.infradead.org, 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) Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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, dennis.dalessandro@cornelisnetworks.com, jgg@ziepe.ca, leon@kernel.org, paul@paul-moore.com, stephen.smalley.work@gmail.com, perex@perex.cz, tiwai@suse.com, ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org, eddyz87@gmail.com, memxor@gmail.com, ziy@nvidia.com, baolin.wang@linux.alibaba.com, nico.pache@linux.dev, ryan.roberts@arm.com, dev.jain@arm.com, baohua@kernel.org, lance.yang@linux.dev, usama.arif@linux.dev, kas@kernel.org, dgilbert@interlog.com, James.Bottomley@HansenPartnership.com, mkp@kernel.org, jayalk@intworks.biz, simona@ffwll.ch, deller@gmx.de, sre@kernel.org, jhubbard@nvidia.com, peterx@redhat.com, mhiramat@kernel.org, oleg@redhat.com, peterz@infradead.org, tglx@kernel.org, mingo@redhat.com, bp@alien8.de, dave.hansen @linux.intel.com, x86@kernel.org, acme@kernel.org, namhyung@kernel.org, mark.rutland@arm.com, riel@surriel.com, harry@kernel.org, juri.lelli@redhat.com, vincent.guittot@linaro.org, maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de, airlied@gmail.com, will@kernel.org, aneesh.kumar@kernel.org, npiggin@gmail.com, arnd@arndb.de, muchun.song@linux.dev, osalvador@suse.de, willy@infradead.org, jack@suse.cz, oupton@kernel.org, catalin.marinas@arm.com, maddy@linux.ibm.com, anup@brainfault.org, pjw@kernel.org, palmer@dabbelt.com, aou@eecs.berkeley.edu, borntraeger@linux.ibm.com, frankja@linux.ibm.com, imbrenda@linux.ibm.com, agordeev@linux.ibm.com, gerald.schaefer@linux.ibm.com, hca@linux.ibm.com, gor@linux.ibm.com, davem@davemloft.net, andreas@gaisler.com, viro@zeniv.linux.org.uk, brauner@kernel.org, matthew.brost@intel.com, joshua.hahnjy@gmail.com, rakie.kim@sk.com, byungchul@sk.com, gourry@gourry.net, ying.huang@linux.alibaba.com, apopple@nvidia.com, chrisl@kernel. org, kasong@tencent.com, shikemeng@huaweicloud.com, nphamcs@gmail.com, baoquan.he@linux.dev, youngjun.park@lge.com, hannes@cmpxchg.org, qi.zheng@linux.dev, shakeel.butt@linux.dev, axelrasmussen@google.com, yuanchu@google.com, weixugc@google.com, xu.xin16@zte.com.cn, chengming.zhou@linux.dev, mhocko@kernel.org, miklos@szeredi.hu, linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, linux-usb@vger.kernel.org, linux-rdma@vger.kernel.org, selinux@vger.kernel.org, linux-sound@vger.kernel.org, bpf@vger.kernel.org, linux-scsi@vger.kernel.org, linux-fbdev@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-trace-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, linux-arch@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, linuxppc-dev@lists.ozlabs.org, kvm@vger.kernel.org, kvm-riscv@lists.infradead.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, sparclinux@vger.kernel.org, fuse-d evel@lists.linux.dev X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false 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.