From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-vs1-f44.google.com (mail-vs1-f44.google.com [209.85.217.44]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9ED22382F01 for ; Fri, 10 Jul 2026 19:02:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.217.44 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783710126; cv=none; b=KyQMw8Lm1Lt4/ns4SjZ7AUlevnKeuLvsu1ZlM50bZSr57aIMn0pDihevD1/y33P59lvKg7Z5WoOJubsziiOXggE/HtXJSdaQ4yq3jrEukrVkZhdxOmuQcF9qJUxh70XrXn93zpsN1qJDoKjnsMVy89WTS7ExERazdYvh0bDb1Q8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783710126; c=relaxed/simple; bh=47yOZh0uL9PiUmgaP7WAHRIYSRvyXRhMxAEwOuVsgWY=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=PEz0i/sOtyyr3+khdj+CibkIagJ6aYraiZOhTwvUof7AjXx0gOofwiClH1WZNbqeqFvVLEe0w9vAK25aygdT4rZJo/C50yncbfUphKATDbsmGK+KZXihPMU90b0OPZLsnUW4VEqSUfRqe8RxhqyLvNZD56CDBP4bpC/JviUrghg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=gourry.net; spf=pass smtp.mailfrom=gourry.net; dkim=pass (2048-bit key) header.d=gourry.net header.i=@gourry.net header.b=oH172YNn; arc=none smtp.client-ip=209.85.217.44 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=gourry.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gourry.net Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gourry.net header.i=@gourry.net header.b="oH172YNn" Received: by mail-vs1-f44.google.com with SMTP id ada2fe7eead31-7387ac7d28cso336339137.1 for ; Fri, 10 Jul 2026 12:02:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gourry.net; s=google; t=1783710123; x=1784314923; darn=vger.kernel.org; h=in-reply-to:content-disposition:content-type:mime-version :references:message-id:subject:cc:to:from:date:from:to:cc:subject :date:message-id:reply-to:content-type; bh=pC/3U7Ftz6dY/QSNTLtw6DNyhuKVUlnEMcNANT8zsUU=; b=oH172YNnx6GWnDOYdxZM6y8FHnAKIdPqf7oJXkxetr57Xa4tKv4mOxQACqBVrRf+p4 TrNtvoG3knoyv2r6f4V4hm3rw7LiIwWPLx9kqxbSAYBndGtVMq1i9y4MJQEFAITHj3JE ncEATNfNHpUUdS+DlXvD+YGnkV/kakQkgSm1Eq33kSSPffPYi+W/Gq82z0IFCZf2dfWq 4pOCTBQSwnd6GztzMElphzi8I3+RvsEB5BFjdEgYk3G+4W58VnPZUG6/Pe8sWa0rlNQd hn5J9NpCpAYrCKikBJdloXAr28j2Hx5wUMxo1GsSSlo4LlI7rhr3pBvD34HYHPoBtGVk Twtg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1783710123; x=1784314923; h=in-reply-to:content-disposition:content-type:mime-version :references:message-id:subject:cc:to:from:date:x-gm-gg :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to :content-type; bh=pC/3U7Ftz6dY/QSNTLtw6DNyhuKVUlnEMcNANT8zsUU=; b=W5z3DeEM8fqG1q1DHYnsjMbD7mYgdZM7DLHFFd2kC6AjEsZmK0ID3XDr6v+q6VOy9V ADZ4W80ETXPYFlOX8MCUD8PTVIwTQpSgoeLVHOpsse9pEKQZeAlWaslzrg2Y4FBD8d8m JHNvNm+ogIuWffTUVFZ9nZW5hEn3sC/RXMMwSMGk+34kx6+4okoQIlfnyZOtGxLJfJoW gTkiE5XDV8b8bCuG6rRRi1UyAI331hD0muVl6HsnFhrXAHZpjPd5qsqyxUPHl+tedEY+ f9NF6QV/4w3EZ3g18aD6oDTdxImCsKHMyJAB3Hh1M3VlPNHFFY9V5jv48PoePyHNSOsv h5Vw== X-Forwarded-Encrypted: i=1; AHgh+Rr33wvZbwUro05Q1VcEymNssWfyH6nQdit7n1mVsK7tCjdYVqDBjjftutVgAAEQALWd5uSvkxmehOdEEY8=@vger.kernel.org X-Gm-Message-State: AOJu0Yw8Q+nHHAclmEkhRmaW0Xyf3dlVOoC4WW8bs82p+pVSUShwjaAB yDcabN4f1zTEN02Y7+YoCbcX8/tpLzyab9DG0qqS7dSubvyKTLtTU1p34tSMSh9ply0= X-Gm-Gg: AfdE7clzjM2nEzCM8NOWLdPt7pIVLOFuCzhMHDggFyC1HssTuYLGeYfNyeYooLeRSJR weK16WSHD/4L9YnZyVkX9+Ft5g2GTPGJE9FpqiTRFVNgj69miEkdIzlCQuATAb3wk3wwBViwhwF VmsAdlQubj1yokqcpDknaoLpf11YbUiUB0ToMbCYZiixPiTRW621ge6R215qze7FM4n3BwugXYB J8TCtmveeLfXsfoid1ljrt/ofIUbi9pcy0iU7/uejahLwNFo6ZLVzWr8a1fhyNd1Ap25ZEQW2o2 Ech38yGVjF76JXpnakqOP4xHKDEId88QYq7B4/wywVdijR8crOklqzDfJlfRm6mvJZxtSNicR31 xBMZyjNMZRKtqYbr9eyZoNPkFqSbsGkZMkLfZuRhyTx0pRW6InUrazFgpHqrARYkGimq9pdEsnB EHYIV3mtlt2cQTNF7f1QD1IIYD+N0NxOuSAgosxL7YlXw6YE9xJntmBd738zPih3T6+MCU X-Received: by 2002:a05:6102:689c:b0:739:5f55:3c3c with SMTP id ada2fe7eead31-74533d66217mr325833137.13.1783710114831; Fri, 10 Jul 2026 12:01:54 -0700 (PDT) Received: from gourry-fedora-PF4VCD3F (pool-173-79-60-52.washdc.fios.verizon.net. [173.79.60.52]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-8ffd56c4b91sm48074036d6.19.2026.07.10.12.01.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 10 Jul 2026 12:01:54 -0700 (PDT) Date: Fri, 10 Jul 2026 15:01:49 -0400 From: Gregory Price To: Lorenzo Stoakes Cc: Andrew Morton , Russell King , Dinh Nguyen , Simon Schuster , "James E . J . Bottomley" , Helge Deller , Jarkko Sakkinen , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, Ian Abbott , H Hartley Sweeten , Lucas Stach , David Airlie , Simona Vetter , Patrik Jakobsson , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Rob Clark , Dmitry Baryshkov , Tomi Valkeinen , Thierry Reding , Mikko Perttunen , Jonathan Hunter , Christian Koenig , Huang Rui , Ankit Agrawal , Alex Williamson , Alexander Viro , Christian Brauner , Dan Williams , Muchun Song , Oscar Salvador , David Hildenbrand , Suren Baghdasaryan , "Liam R . Howlett" , Matthew Wilcox , Marek Szyprowski , Peter Zijlstra , Arnaldo Carvalho de Melo , Namhyung Kim , Masami Hiramatsu , Oleg Nesterov , Steven Rostedt , SeongJae Park , Miaohe Lin , Hugh Dickins , Mike Rapoport , Kees Cook , Paolo Bonzini , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-parisc@vger.kernel.org, linux-sgx@vger.kernel.org, etnaviv@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, linux-tegra@vger.kernel.org, kvm@vger.kernel.org, linux-fsdevel@vger.kernel.org, nvdimm@lists.linux.dev, linux-mm@kvack.org, iommu@lists.linux.dev, linux-perf-users@vger.kernel.org, linux-trace-kernel@vger.kernel.org, kasan-dev@googlegroups.com, damon@lists.linux.dev, Pedro Falcato , Rik van Riel , Harry Yoo , Jann Horn Subject: Re: [PATCH 21/30] mm/vma: add and use vma_[add/sub]_pgoff() Message-ID: References: <794044881e454fd8ac13e59d5ff5fc86fca08b03.1782735110.git.ljs@kernel.org> Precedence: bulk X-Mailing-List: linux-parisc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <794044881e454fd8ac13e59d5ff5fc86fca08b03.1782735110.git.ljs@kernel.org> On Mon, Jun 29, 2026 at 01:23:32PM +0100, Lorenzo Stoakes wrote: > Add helpers for adding or subtracting to a VMA's page offset, exposed > internally for VMA users within mm in mm/vma.h. > > This is to lay the foundations for tracking anonymous page offset for > MAP_PRIVATE file-backed mappings, where adding and subtracting from this > value must be reflected in both the file and anonymous offsets. > > These are used on VMA split and downward stack expansion. > > No functional change intended. > > Signed-off-by: Lorenzo Stoakes Reviewed-by: Gregory Price