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 43FC9109025E for ; Thu, 19 Mar 2026 17:31:39 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [127.0.0.1]) by lists.ozlabs.org (Postfix) with ESMTP id 4fcCRY4whdz2ynv; Fri, 20 Mar 2026 04:31:37 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; arc=none smtp.remote-ip="2600:3c04:e001:324:0:1991:8:25" ARC-Seal: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1773941497; cv=none; b=I8B5ak+pVD54gw91WURf6Pmkq0cd7tz0/0brUeUmFPssdjziyKweNA9nlyXQ/HX2qFOIA8ZfsGTQTH1mRe/ruUUHevoCea9brisBiCtWCm9hfCQrE+AL138DjA6amMkAcZVkElpRYufEY/RK6fEs/3M4LL7aQEPOqCRy0cs+yU9I8LFZYFZD0HL8xVZ5tlfyyWJze3J+zPsR5noTa9jUe9LFZDTwuMElwK/875pWSF5AP1W4RColW6ZHsCpexXUPiP3LqUU2nFOktExVDwPR6Dm/k9L0WdIuX7Zfhe9V/xeidUFWwdq/OMgLCG6HHQiX6qtbJB7IBY+2UM8zyHrNXA== ARC-Message-Signature: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1773941497; c=relaxed/relaxed; bh=4bl9t42B4LXiBnZarf9/q3l/mzIDatsBzDzzQR7YZIg=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=D61xRSozUqHeh4RxXG6q50AWA0vjqqXe5qOVTZQmNjNfEVdXmRum45s+yvxwiqJO8TfVDX7qPgJBXCnY1ISsg1jVY+rHGHQUJnwIIkLvlixHSAr2k4KsQvioHEL/mpm20tTTYHLqnVJsUbx1NWhuI3eBbErhAFe130XWfIH9uPbvGpSFrTyLwIuUnxzYuoQC5cDaajLvqAs5ylrZ03sRSE/nXJFNjAAVqPhnwo3fqnYsdCOvwRkpqBx4lpsF+sp5jddoh8YvIx5XfScmnSf7GpWjd6gRghfc67nMIL/CmSB8QazAlE1KHPlk4i8RxGIUa8LLfamMSvZIyHSkAvx/IA== 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=SO7vfJuT; dkim-atps=neutral; spf=pass (client-ip=2600:3c04:e001:324:0:1991:8:25; helo=tor.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=SO7vfJuT; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=kernel.org (client-ip=2600:3c04:e001:324:0:1991:8:25; helo=tor.source.kernel.org; envelope-from=vbabka@kernel.org; receiver=lists.ozlabs.org) Received: from tor.source.kernel.org (tor.source.kernel.org [IPv6:2600:3c04:e001:324:0:1991:8:25]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange x25519) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4fcCRX5qXFz2xZK for ; Fri, 20 Mar 2026 04:31:36 +1100 (AEDT) Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 0C91160053; Thu, 19 Mar 2026 17:31:34 +0000 (UTC) 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 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 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)