From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id D3E5CF4613C for ; Mon, 23 Mar 2026 15:50:02 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [127.0.0.1]) by lists.ozlabs.org (Postfix) with ESMTP id 4ffd0T1Fs7z2ySB; Tue, 24 Mar 2026 02:50:01 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; arc=none smtp.remote-ip=172.234.252.31 ARC-Seal: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1774281001; cv=none; b=VX3kbG6w29BOLWPlfblLeZ28kycqIxDFTVGq0tDmWHYq1zwIVmTP2VFoykHx9SHIEuHY0ty6/aH3CIHGgs2VG3Ar6xlz+YEVcvHMP4TKZ5Ua2HsQEGqih6tz7kv4WGcEFKFWX76yoXMFnC0rJSkZAd3L+J7sastYHgjw8Y7gOoR6SlXekjiB8P7KE5Ke42C7hl/x3BFNRbfn9RPvQbulegTe2OWdLpQvIQ1E1tki72lLpTE6PhJifNVSKsvGA5fiOZtubvq4zgHD4yDcL2xvx85K1757OZhmLP8RUC6yqrtpd2VRs7AgTL69Yj+BdLqGG5qbKYT6QW6ZyBqXemOP+A== ARC-Message-Signature: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1774281001; c=relaxed/relaxed; bh=pBxuE79q0h/5XA82Gqv80sB/5+DcRUE+NdGM983xYdA=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=YdJk2KYOLO3tV0pcOIR25Cs/QgxqefdWO9Kz3ykxgOpyft/hq+32JVGJLXsNOxaRmXIiy+i5JMEQFOJufh/OGovCA0EWObMnj4M1JDg9RcZU+O2IqnXG6BALLLcBJNB9xr5gHl87IrTCgp7Eg05geXOfgLUrBQkTTWl19pgJlyZ1IkFfqQ/MCdbAYUY81svb4FWUOx0JxDUYDXQDkSYQliU/UqlAVzCTHqZsnze3s/po/Qp0C0ZXFcCyokr8pjoMw89h/FSYSAQmJyWUA0equKHvnaYVfp4cWvRyp70902dT9gOkCfYgFmfLcQFmtchpwrYRFozYvnpiY4QfC9+tfg== ARC-Authentication-Results: i=1; lists.ozlabs.org; dmarc=pass (p=quarantine dis=none) header.from=kernel.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=XdKC0tlg; dkim-atps=neutral; spf=pass (client-ip=172.234.252.31; helo=sea.source.kernel.org; envelope-from=vbabka@kernel.org; receiver=lists.ozlabs.org) smtp.mailfrom=kernel.org Authentication-Results: lists.ozlabs.org; dmarc=pass (p=quarantine dis=none) header.from=kernel.org Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=XdKC0tlg; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=kernel.org (client-ip=172.234.252.31; helo=sea.source.kernel.org; envelope-from=vbabka@kernel.org; receiver=lists.ozlabs.org) Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange x25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4ffd0S1rYlz2xN5 for ; Tue, 24 Mar 2026 02:50:00 +1100 (AEDT) Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 30C9443D7C; Mon, 23 Mar 2026 15:49:58 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 79346C4CEF7; Mon, 23 Mar 2026 15:49:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1774280998; bh=PE+T0jq3B8ZtYRDz678LEyuTz6jmDPCQy5RpPTYrDcc=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=XdKC0tlgf1MZ9+nFlKePnzFurNne6QPx1E6YWyTEqc5Cy4/MJ7viljpcXJeeYfD84 LwWQhNPsI2I9K0v1c33u+VAYFjbd8O5XNRv7oB6hk9aWRLevlIqBhXTN/OJlKMwQKf P5Vz/q+wIiOUnPmbE+gPP+1XyMVrMVU51S9pyTagqqIblZpcRImI+DCS0rQGs9Ppmv uI4cbcMRaN1v0kgvKPt9I+2sGELYGp/hsRsweEovyazf3HWaMCdkqf89a80XhZaKnl owytQQeI/86OfShIGnWbjgDPLE70BmD03V3uE7cRvQ8417IfFC5O/o3RDSK2/SzDZz cVIvEtMGRKwxg== Message-ID: <3945a9c5-565f-4126-8d46-1db584b09e79@kernel.org> Date: Mon, 23 Mar 2026 16:49:44 +0100 X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , List-Unsubscribe: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 24/25] mm/vma: convert __mmap_region() to use vma_flags_t To: "Lorenzo Stoakes (Oracle)" , Andrew Morton Cc: David Hildenbrand , "Liam R . Howlett" , Jann Horn , Pedro Falcato , Mike Rapoport , Suren Baghdasaryan , Kees Cook , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Vineet Gupta , Russell King , Catalin Marinas , Will Deacon , Brian Cain , Huacai Chen , WANG Xuerui , Thomas Bogendoerfer , Dinh Nguyen , Madhavan Srinivasan , Michael Ellerman , Nicholas Piggin , Christophe Leroy , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Christian Borntraeger , Sven Schnelle , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H . Peter Anvin" , Richard Weinberger , Anton Ivanov , Johannes Berg , Alexander Viro , Christian Brauner , Jan Kara , Xu Xin , Chengming Zhou , Michal Hocko , Paul Moore , Stephen Smalley , Ondrej Mosnacek , linux-snps-arc@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-hexagon@vger.kernel.org, loongarch@lists.linux.dev, linux-mips@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-um@lists.infradead.org, linux-fsdevel@vger.kernel.org, selinux@vger.kernel.org References: <1fc33a404c962f02da778da100387cc19bd62153.1774034900.git.ljs@kernel.org> From: "Vlastimil Babka (SUSE)" Content-Language: en-US In-Reply-To: <1fc33a404c962f02da778da100387cc19bd62153.1774034900.git.ljs@kernel.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 3/20/26 8:38 PM, Lorenzo Stoakes (Oracle) wrote: > Update the mmap() implementation logic implemented in __mmap_region() and > functions invoked by it. The mmap_region() function converts its input > vm_flags_t parameter to a vma_flags_t value which it then passes to > __mmap_region() which uses the vma_flags_t value consistently from then > on. > > As part of the change, we convert map_deny_write_exec() to using > vma_flags_t (it was incorrectly using unsigned long before), and place it > in vma.h, as it is only used internal to mm. > > With this change, we eliminate the legacy is_shared_maywrite_vm_flags() > helper function which is now no longer required. > > We are also able to update the MMAP_STATE() and VMG_MMAP_STATE() macros to > use the vma_flags_t value. > > Finally, we update the VMA tests to reflect the change. > > Signed-off-by: Lorenzo Stoakes (Oracle) Acked-by: Vlastimil Babka (SUSE)