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 9B9C81099B3C for ; Fri, 20 Mar 2026 19:40:19 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [127.0.0.1]) by lists.ozlabs.org (Postfix) with ESMTP id 4fctDM2RV9z30PH; Sat, 21 Mar 2026 06:39:15 +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=1774035555; cv=none; b=ntaE6fYH93YsPXgt0qUR9qBlG4MpyyXzLovfAAUpftmPW80+WVBZccimZ3ZZsVLs1VFXuF0MI8RFbQpACsfqCUgklDc1qW9lqxi03GS2nyW+/U0BNU21WsvP0wRodE5sfss0rI30GbB61MOXeCzamonjm9t8fviA10bhXvKJUkAIOnl8I2tRWUZ7ZNTmDQn7lVt3ShmUHi3Kj0viYdU1SdZHsTyrI8q482cqiCDwGbnijoeMfmG7BHtx4V1+6Osp/RUSXpwIO1O9FYZKMSmFAw5ihtnq1arpP0caqn3bK1GepljL1zN/vX8K/XwKGVovcQp3Ei6vsNM1QtVNd8+2mg== ARC-Message-Signature: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1774035555; c=relaxed/relaxed; bh=5K7eKfDaNC8F0R4YEvVj595iph2zwfv8FNQbISthhlI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=DUmOnGv4yQl46g99KEar5uM6AuM0mLlWSFSXbnfc4tCKmz+eR0/o/t3wKEIVvn6gifDdd1M/5vQ+Xo0nMUfiKMwR6IeDAhl975YNvv1fXaLPwWQxgjisNQEFr77LGhm4YflpXK7skufJKZWDqOsbhzYXz4FQKiZYzGwQsPmrvMGpZOH6Rznab/0Xs5eCXeGBZes0xSr6zxAql7vwnmO+R8AA3VuVePbyhQqEGBJM70lFqyGt0Jph/JKAqETpRiIFVpymvIihDDn0qjuS3NUcaciZgMFcCFM7ZsVx6gdA2pxICWYwZLPqvarxpNFhkkXECfkrBz1iqP1pv3MQkdvuDw== 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=n9G5Rfle; dkim-atps=neutral; spf=pass (client-ip=172.234.252.31; helo=sea.source.kernel.org; envelope-from=ljs@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=n9G5Rfle; 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=ljs@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) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4fctDL4Vftz30Jy for ; Sat, 21 Mar 2026 06:39:14 +1100 (AEDT) Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 1489D43420; Fri, 20 Mar 2026 19:39:14 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 75CADC2BC9E; Fri, 20 Mar 2026 19:39:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1774035553; bh=LrLBS64c+lmBUJM2XbvLHLJnGjK9/zMfbb5TL2UTCws=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=n9G5RfleSKlgF5IOVA2zXMw7RB/0EsB8jsXdwJANrb3vkQfRndWlRknI8JoQlRPuv zgCX6aDwrYZVTz75jLr+KIPFYcBrUDvMT9XX7hAb4vlckyEtjaKsjouuzE4QE6Dcl1 o2HwpJagChgQY9sNvxa2V3D81uvsfl9/SrEthaNA3o+Sr88oot/AuaCYgDeBFOySyl q6XeWSPRQJ3LJkLYxCqrpBHPF/1/0pG+jUNSe8+4vHsB1eeoQfAb1rWhYw6UW/7T+1 OvSzcnuLb+EqzJMxiNiIU7Wkgy6v68h8V5rWxiRLmLjJMLfpRprBXEC9xhv69y4Xd8 BPa+YjeIoj8Pg== From: "Lorenzo Stoakes (Oracle)" To: Andrew Morton Cc: David Hildenbrand , "Liam R . Howlett" , Vlastimil Babka , 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 Subject: [PATCH v4 12/25] tools/testing/vma: test that legacy flag helpers work correctly Date: Fri, 20 Mar 2026 19:38:29 +0000 Message-ID: <3374e50053adb65818fde948ae3488e1e29ae8b1.1774034900.git.ljs@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: References: 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 Content-Transfer-Encoding: 8bit Update the existing compare_legacy_flags() predicate function to assert that legacy_to_vma_flags() and vma_flags_to_legacy() behave as expected. Signed-off-by: Lorenzo Stoakes (Oracle) --- tools/testing/vma/tests/vma.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/tools/testing/vma/tests/vma.c b/tools/testing/vma/tests/vma.c index 98e465fb1bf2..1fae25170ff7 100644 --- a/tools/testing/vma/tests/vma.c +++ b/tools/testing/vma/tests/vma.c @@ -5,6 +5,7 @@ static bool compare_legacy_flags(vm_flags_t legacy_flags, vma_flags_t flags) const unsigned long legacy_val = legacy_flags; /* The lower word should contain the precise same value. */ const unsigned long flags_lower = flags.__vma_flags[0]; + vma_flags_t converted_flags; #if NUM_VMA_FLAG_BITS > BITS_PER_LONG int i; @@ -17,6 +18,11 @@ static bool compare_legacy_flags(vm_flags_t legacy_flags, vma_flags_t flags) static_assert(sizeof(legacy_flags) == sizeof(unsigned long)); + /* Assert that legacy flag helpers work correctly. */ + converted_flags = legacy_to_vma_flags(legacy_flags); + ASSERT_FLAGS_SAME_MASK(&converted_flags, flags); + ASSERT_EQ(vma_flags_to_legacy(flags), legacy_flags); + return legacy_val == flags_lower; } -- 2.53.0