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 558952BFC7B; Thu, 19 Mar 2026 17:31:34 +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=1773941494; cv=none; b=HHLtbLRTLRgOX4QlUVvM4Djzi5re/jmwrRMOfxxyPJUSMMcfIBE9sErZhpkGb4f0Tq19pKUTciVkekB6wmBZ9VDmxo9CgGK3mnYGiwYn9AIUaBXRx5sk8JoCA+eUXWWj6RGgTblXodBpabS0sVtspRJ9ki+Hi0PpVekrJrRExsY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773941494; c=relaxed/simple; bh=5DppXj3QcNzrGmdgZID5IYobrhntHlZzGlg5qMCJioE=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=im+S8zdARqsyKwZdRBHV+QBDZ60PJXbeON0gWC6nc8tAsayY0iJfVVWfypWzdR7nUASSpi0+z/IrvVBmi5pJhJ8OecGqA9fHN8FCRmtm109IH1imXF3a8LavwVdLxm/bcmobdPbJGOLgyYzQTkXbu5qyrerCIMu4WqJns3B+gVU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=SO7vfJuT; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="SO7vfJuT" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 13691C19424; Thu, 19 Mar 2026 17:31:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1773941493; bh=5DppXj3QcNzrGmdgZID5IYobrhntHlZzGlg5qMCJioE=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=SO7vfJuT4xUudvKFdjyC/XRHnDWKzUW5zhPZGOW4NkcLJWB/0zaBAPUZDEbzNniLu o6gtnAQILi1Xg5RGSgTnobL7eO04ZT32Gx2h3qfXV8nubgacMQGFufOtrVHdeNmWgM pZkRzoFA3bJPOKRw3mhQGFNORsomWmRnmNuVBbUaFpZmVyH6WM0IdprCTCpaX8+qFC 9GF8H3rbnnwghtEQQ9Ex+hdnihLJcH+Gq6I/Fk+KprdszHQSk8Tg0pLI8axTqiBT2S atwtkQeokLlmSyD0VHX0bighzaB+U0P3innYYSr/zVKdE8T5gI4Lh0EcWg4r+v5cRx N/zcFeNPSI1JQ== Message-ID: <12bb9812-d7c4-44da-aa57-689ad520cb17@kernel.org> Date: Thu, 19 Mar 2026 18:31:20 +0100 Precedence: bulk X-Mailing-List: linux-hexagon@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 10/23] mm/vma: introduce vma_flags_same[_mask/_pair]() Content-Language: en-US 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: <028d03f1b980b7f65fcc556db2e97224c06af1a6.1773846935.git.ljs@kernel.org> From: "Vlastimil Babka (SUSE)" In-Reply-To: <028d03f1b980b7f65fcc556db2e97224c06af1a6.1773846935.git.ljs@kernel.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 3/18/26 16:50, Lorenzo Stoakes (Oracle) wrote: > Add helpers to determine if two sets of VMA flags are precisely the same, > that is - that every flag set one is set in another, and neither contain > any flags not set in the other. > > We also introduce vma_flags_same_pair() for cases where we want to compare > two sets of VMA flags which are both non-const values. > > Also update the VMA tests to reflect the change, we already implicitly > test that this functions correctly having used it for testing purposes > previously. > > Signed-off-by: Lorenzo Stoakes (Oracle) Acked-by: Vlastimil Babka (SUSE)