From nobody Tue Apr 7 07:07:29 2026 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 DE87C396D35; Mon, 16 Mar 2026 13:09:17 +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=1773666559; cv=none; b=FOZxuB7whC9Pbk9IdAAmCftIOE0KU/Tpv1VBbpzUoH5LSARqRW+nRBZZ0B/Ft1vp76QYzXgmZCTAlEzcFTzV5ck8wKZRj+t8B7o8k7AFXuNmUatKpyWOHsHJ01yUzEvmYHC4n3ga0yoFiBkfgVSgLawirr7wpgruXoP2e1mXlvU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773666559; c=relaxed/simple; bh=VG9qmmmFOegmFxOvw//0MFdBoWLaQ29ukQyS87tCN9Y=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=FKru3v72HXWh0csn6WKYMfuZ4CJrrwx6lokhI4mDzMN5tLw/Eg/4wvVEQXyHuKIq90LGlO3eYR2ITpFXNupzbaDo/U+o4EE0yuDdJwZWd6IVaH/YnZd53XOXG7qzaM1Q5G6ox2dNAcNNRAYTRfbsSRRK2f2FGI8VNsqyan7I75Y= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=kYw7DD7g; 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="kYw7DD7g" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B2FEDC2BCB1; Mon, 16 Mar 2026 13:09:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1773666557; bh=VG9qmmmFOegmFxOvw//0MFdBoWLaQ29ukQyS87tCN9Y=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=kYw7DD7gHjlD8HQJ1arhnEYfasRRA/k4Bstjh5nze0eUneMwI7Gat2tEEico37Joq YFLs6klU3jz97aBpGDKboLlJ4lZ8/Yi1vy11O1+GuvU9L5qByshxed7GjngGpUWAfa 8VQJ2KI6kNkiHuDMI+sUWk7sKWjH9XpgcxRvHBw1PgPTCh+Wllm4lHTjPLxF4v+no6 UfyF4AvrJ9cWuhh94T0mwyeRO7Z/PcFvTv5c9oCskCIS8sQxvubdRAPlzoanyeqmu5 MsmeTurX8AaYhahNG8wyPPMrR1L+jCuqqomTjL79sIBu3wRVDMEUb+CXX69VnE9mBS e6f2HZNziUBqA== 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 v2 08/23] tools/testing/vma: add simple test for append_vma_flags() Date: Mon, 16 Mar 2026 13:07:57 +0000 Message-ID: <8253a553f354e6ef9b1ddea4831c0033e64eb796.1773665966.git.ljs@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Add a simple test for append_vma_flags() to assert that it behaves as expected. Additionally, include the VMA_REMAP_FLAGS definition in the VMA tests to allow us to use this value in the testing. Signed-off-by: Lorenzo Stoakes (Oracle) --- tools/testing/vma/include/dup.h | 3 +++ tools/testing/vma/tests/vma.c | 25 +++++++++++++++++++++++++ 2 files changed, 28 insertions(+) diff --git a/tools/testing/vma/include/dup.h b/tools/testing/vma/include/du= p.h index cbdeb03ee7e5..47ad01c5d15e 100644 --- a/tools/testing/vma/include/dup.h +++ b/tools/testing/vma/include/dup.h @@ -345,6 +345,9 @@ enum { */ #define VM_SPECIAL (VM_IO | VM_DONTEXPAND | VM_PFNMAP | VM_MIXEDMAP) =20 +#define VMA_REMAP_FLAGS mk_vma_flags(VMA_IO_BIT, VMA_PFNMAP_BIT, \ + VMA_DONTEXPAND_BIT, VMA_DONTDUMP_BIT) + #define DEFAULT_MAP_WINDOW ((1UL << 47) - PAGE_SIZE) #define TASK_SIZE_LOW DEFAULT_MAP_WINDOW #define TASK_SIZE_MAX DEFAULT_MAP_WINDOW diff --git a/tools/testing/vma/tests/vma.c b/tools/testing/vma/tests/vma.c index feea6d270233..98e465fb1bf2 100644 --- a/tools/testing/vma/tests/vma.c +++ b/tools/testing/vma/tests/vma.c @@ -555,6 +555,30 @@ static bool test_vma_flags_and(void) return true; } =20 +/* Ensure append_vma_flags() acts as expected. */ +static bool test_append_vma_flags(void) +{ + vma_flags_t flags =3D append_vma_flags(VMA_REMAP_FLAGS, VMA_READ_BIT, + VMA_WRITE_BIT +#if NUM_VMA_FLAG_BITS > 64 + , 64, 65 +#endif + ); + + ASSERT_FLAGS_SAME(&flags, VMA_IO_BIT, VMA_PFNMAP_BIT, + VMA_DONTEXPAND_BIT, VMA_DONTDUMP_BIT, VMA_READ_BIT, + VMA_WRITE_BIT +#if NUM_VMA_FLAG_BITS > 64 + , 64, 65 +#endif + ); + + flags =3D append_vma_flags(EMPTY_VMA_FLAGS, VMA_READ_BIT, VMA_WRITE_BIT); + ASSERT_FLAGS_SAME(&flags, VMA_READ_BIT, VMA_WRITE_BIT); + + return true; +} + static void run_vma_tests(int *num_tests, int *num_fail) { TEST(copy_vma); @@ -569,4 +593,5 @@ static void run_vma_tests(int *num_tests, int *num_fail) TEST(vma_flags_empty); TEST(vma_flags_diff); TEST(vma_flags_and); + TEST(append_vma_flags); } --=20 2.53.0