From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 1F460253F20 for ; Tue, 23 Sep 2025 03:17:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758597473; cv=none; b=QNuFAalQR+0vOzWoWanr/rzkMg8TB+E9T2xQZY3EEuoE3YpWZtHS3WHdbG5MigP6MRFcTjK3lR2H4H5e652q2C45jkkLf1/yfbiz9qtPq5TMo0McSbyrIW9XtAm8Rr/boToSTg9WzmsF4JWRXyACDA1d5sZsh7jnhbkaffjM2fk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758597473; c=relaxed/simple; bh=S6ipM+SCPQBPj706BACkHx+FDox+o6MvNyVukRXsplY=; h=Date:To:From:Subject:Message-Id; b=GEa+CyFIdealTADx4lcN00YE1lmP6ehDK4pPmS8vDYFnfMsQ1lm3mTpGfLwbJgV9mKZYoFPtgotLXc4VdhVitJKGp5CHCH0yLiXht5qDvviTRyaa2eUoolqYZcYrZHWKmBLU0KuC56chT+VVlM9gQgh+4aYFGE5JRCSg2k0h5rY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=vwEAy7+a; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="vwEAy7+a" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 95BF3C4CEF0; Tue, 23 Sep 2025 03:17:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1758597472; bh=S6ipM+SCPQBPj706BACkHx+FDox+o6MvNyVukRXsplY=; h=Date:To:From:Subject:From; b=vwEAy7+aHIIKL9fB+YmadiV0uz8HqxejQit+Mf6tJEn/cC6NZpG75fPQbAcjRSfld HEK2CCOMk/gFuw6suQH8TVdYTOBM/1DpKEnip+9DO/cx+y5gT3k7wTIn34VXyvpWMS 0zLobGMuOWxLez1TBXqQN6jpA1QpbspGFrIIwcK4= Date: Mon, 22 Sep 2025 20:17:52 -0700 To: mm-commits@vger.kernel.org,willy@infradead.org,will@kernel.org,vishal.l.verma@intel.com,viro@zeniv.linux.org.uk,vgoyal@redhat.com,vbabka@suse.cz,urezki@gmail.com,tsbogend@alpha.franken.de,tony.luck@intel.com,svens@linux.ibm.com,surenb@google.com,rppt@kernel.org,robin.murphy@arm.com,reinette.chatre@intel.com,pfalcato@suse.de,osalvador@suse.de,nico@fluxnic.net,muchun.song@linux.dev,mhocko@suse.com,liam.howlett@oracle.com,kevin.tian@intel.com,jgg@nvidia.com,jannh@google.com,james.morse@arm.com,jack@suse.cz,hughd@google.com,hca@linux.ibm.com,guoren@kernel.org,gregkh@linuxfoundation.org,gor@linux.ibm.com,dyoung@redhat.com,dvyukov@google.com,david@redhat.com,davem@davemloft.net,dave.martin@arm.com,dave.jiang@intel.com,dan.j.williams@intel.com,corbet@lwn.net,brauner@kernel.org,borntraeger@linux.ibm.com,bhe@redhat.com,baolin.wang@linux.alibaba.com,arnd@arndb.de,andreyknvl@gmail.com,andreas@gaisler.com,almaz.alexandrovich@paragon-software.com,agordeev@linux.ibm.com,lorenzo.stoakes@oracle.com,akpm@linux-foundation.org From: Andrew Morton Subject: [merged mm-stable] mm-add-vma_desc_size-vma_desc_pages-helpers.patch removed from -mm tree Message-Id: <20250923031752.95BF3C4CEF0@smtp.kernel.org> Precedence: bulk X-Mailing-List: mm-commits@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: The quilt patch titled Subject: mm: add vma_desc_size(), vma_desc_pages() helpers has been removed from the -mm tree. Its filename was mm-add-vma_desc_size-vma_desc_pages-helpers.patch This patch was dropped because it was merged into the mm-stable branch of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm ------------------------------------------------------ From: Lorenzo Stoakes Subject: mm: add vma_desc_size(), vma_desc_pages() helpers Date: Wed, 17 Sep 2025 20:11:05 +0100 It's useful to be able to determine the size of a VMA descriptor range used on f_op->mmap_prepare, expressed both in bytes and pages, so add helpers for both and update code that could make use of it to do so. Link: https://lkml.kernel.org/r/5fa007dc4905c863abe6fe97de1238c30b1958ff.1758135681.git.lorenzo.stoakes@oracle.com Signed-off-by: Lorenzo Stoakes Reviewed-by: Jan Kara Acked-by: David Hildenbrand Reviewed-by: Jason Gunthorpe Reviewed-by: Pedro Falcato Cc: Alexander Gordeev Cc: Al Viro Cc: Andreas Larsson Cc: Andrey Konovalov Cc: Arnd Bergmann Cc: Baolin Wang Cc: Baoquan He Cc: Chatre, Reinette Cc: Christian Borntraeger Cc: Christian Brauner Cc: Dan Williams Cc: Dave Jiang Cc: Dave Martin Cc: Dave Young Cc: David S. Miller Cc: Dmitriy Vyukov Cc: Greg Kroah-Hartman Cc: Guo Ren Cc: Heiko Carstens Cc: Hugh Dickins Cc: James Morse Cc: Jann Horn Cc: Jonathan Corbet Cc: Kevin Tian Cc: Konstantin Komarov Cc: Liam Howlett Cc: "Luck, Tony" Cc: Matthew Wilcox (Oracle) Cc: Michal Hocko Cc: Mike Rapoport Cc: Muchun Song Cc: Nicolas Pitre Cc: Oscar Salvador Cc: Robin Murohy Cc: Suren Baghdasaryan Cc: Sven Schnelle Cc: Thomas Bogendoerfer Cc: "Uladzislau Rezki (Sony)" Cc: Vasily Gorbik Cc: Vishal Verma Cc: Vivek Goyal Cc: Vlastimil Babka Cc: Will Deacon Signed-off-by: Andrew Morton --- fs/ntfs3/file.c | 2 +- include/linux/mm.h | 10 ++++++++++ mm/secretmem.c | 2 +- 3 files changed, 12 insertions(+), 2 deletions(-) --- a/fs/ntfs3/file.c~mm-add-vma_desc_size-vma_desc_pages-helpers +++ a/fs/ntfs3/file.c @@ -304,7 +304,7 @@ static int ntfs_file_mmap_prepare(struct if (rw) { u64 to = min_t(loff_t, i_size_read(inode), - from + desc->end - desc->start); + from + vma_desc_size(desc)); if (is_sparsed(ni)) { /* Allocate clusters for rw map. */ --- a/include/linux/mm.h~mm-add-vma_desc_size-vma_desc_pages-helpers +++ a/include/linux/mm.h @@ -3571,6 +3571,16 @@ static inline unsigned long vma_pages(co return (vma->vm_end - vma->vm_start) >> PAGE_SHIFT; } +static inline unsigned long vma_desc_size(const struct vm_area_desc *desc) +{ + return desc->end - desc->start; +} + +static inline unsigned long vma_desc_pages(const struct vm_area_desc *desc) +{ + return vma_desc_size(desc) >> PAGE_SHIFT; +} + /* Look up the first VMA which exactly match the interval vm_start ... vm_end */ static inline struct vm_area_struct *find_exact_vma(struct mm_struct *mm, unsigned long vm_start, unsigned long vm_end) --- a/mm/secretmem.c~mm-add-vma_desc_size-vma_desc_pages-helpers +++ a/mm/secretmem.c @@ -120,7 +120,7 @@ static int secretmem_release(struct inod static int secretmem_mmap_prepare(struct vm_area_desc *desc) { - const unsigned long len = desc->end - desc->start; + const unsigned long len = vma_desc_size(desc); if ((desc->vm_flags & (VM_SHARED | VM_MAYSHARE)) == 0) return -EINVAL; _ Patches currently in -mm which might be from lorenzo.stoakes@oracle.com are