From: Pedro Falcato <pfalcato@suse.de>
To: "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Arnd Bergmann <arnd@arndb.de>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Dan Williams <dan.j.williams@intel.com>,
Vishal Verma <vishal.l.verma@intel.com>,
Dave Jiang <dave.jiang@intel.com>, Gao Xiang <xiang@kernel.org>,
Chao Yu <chao@kernel.org>, Yue Hu <zbestahu@gmail.com>,
Jeffle Xu <jefflexu@linux.alibaba.com>,
Sandeep Dhavale <dhavale@google.com>,
Hongbo Li <lihongbo22@huawei.com>,
Chunhai Guo <guochunhai@vivo.com>,
Muchun Song <muchun.song@linux.dev>,
Oscar Salvador <osalvador@suse.de>,
David Hildenbrand <david@kernel.org>,
Konstantin Komarov <almaz.alexandrovich@paragon-software.com>,
Tony Luck <tony.luck@intel.com>,
Reinette Chatre <reinette.chatre@intel.com>,
Dave Martin <Dave.Martin@arm.com>,
James Morse <james.morse@arm.com>,
Babu Moger <babu.moger@amd.com>,
Damien Le Moal <dlemoal@kernel.org>,
Naohiro Aota <naohiro.aota@wdc.com>,
Johannes Thumshirn <jth@kernel.org>,
Matthew Wilcox <willy@infradead.org>, Jan Kara <jack@suse.cz>,
"Liam R . Howlett" <Liam.Howlett@oracle.com>,
Vlastimil Babka <vbabka@kernel.org>,
Mike Rapoport <rppt@kernel.org>,
Suren Baghdasaryan <surenb@google.com>,
Michal Hocko <mhocko@suse.com>, Hugh Dickins <hughd@google.com>,
Baolin Wang <baolin.wang@linux.alibaba.com>,
Jann Horn <jannh@google.com>, Jason Gunthorpe <jgg@ziepe.ca>,
linux-kernel@vger.kernel.org, nvdimm@lists.linux.dev,
linux-cxl@vger.kernel.org, linux-erofs@lists.ozlabs.org,
linux-mm@kvack.org, ntfs3@lists.linux.dev,
linux-fsdevel@vger.kernel.org
Subject: Re: [PATCH 5/6] mm: reintroduce vma_desc_test() as a singular flag test
Date: Wed, 25 Mar 2026 14:58:46 +0000 [thread overview]
Message-ID: <kci3actvfoj2rc2i6znf2ff24yu5q7ewgo2byqegmhjiv7ptzy@4ppp3xt5mwq2> (raw)
In-Reply-To: <3a65ca23defb05060333f0586428fe279a484564.1772704455.git.ljs@kernel.org>
On Thu, Mar 05, 2026 at 10:50:18AM +0000, Lorenzo Stoakes (Oracle) wrote:
> Similar to vma_flags_test(), we have previously renamed vma_desc_test() to
> vma_desc_test_any(). Now that is in place, we can reintroduce
> vma_desc_test() to explicitly check for a single VMA flag.
>
> As with vma_flags_test(), this is useful as often flag tests are against a
> single flag, and vma_desc_test_any(flags, VMA_READ_BIT) reads oddly and
> potentially causes confusion.
>
> As with vma_flags_test() a combination of sparse and vma_flags_t being a
> struct means that users cannot misuse this function without it getting
> flagged.
>
> Also update the VMA tests to reflect this change.
>
> Signed-off-by: Lorenzo Stoakes (Oracle) <ljs@kernel.org>
Reviewed-by: Pedro Falcato <pfalcato@suse.de>
Similarly LGTM.
--
Pedro
next prev parent reply other threads:[~2026-03-25 14:58 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-05 10:50 [PATCH 0/6] mm: vma flag tweaks Lorenzo Stoakes (Oracle)
2026-03-05 10:50 ` [PATCH 1/6] mm: rename VMA flag helpers to be more readable Lorenzo Stoakes (Oracle)
2026-03-25 8:55 ` David Hildenbrand (Arm)
2026-03-25 14:51 ` Pedro Falcato
2026-03-25 14:53 ` Lorenzo Stoakes (Oracle)
2026-03-05 10:50 ` [PATCH 2/6] mm: add vma_desc_test_all() and use it Lorenzo Stoakes (Oracle)
2026-03-24 23:12 ` Andrew Morton
2026-03-25 7:08 ` Lorenzo Stoakes (Oracle)
2026-03-25 14:30 ` Andrew Morton
2026-03-25 16:20 ` Lorenzo Stoakes (Oracle)
2026-03-25 7:31 ` Vlastimil Babka (SUSE)
2026-03-25 8:58 ` David Hildenbrand (Arm)
2026-03-25 11:02 ` Lorenzo Stoakes (Oracle)
2026-03-25 8:56 ` David Hildenbrand (Arm)
2026-03-25 14:52 ` Pedro Falcato
2026-03-05 10:50 ` [PATCH 3/6] mm: always inline __mk_vma_flags() and invoked functions Lorenzo Stoakes (Oracle)
2026-03-05 14:48 ` David Hildenbrand (Arm)
2026-03-25 14:54 ` Pedro Falcato
2026-03-25 14:58 ` Lorenzo Stoakes (Oracle)
2026-03-25 16:09 ` Andrew Morton
2026-03-25 16:23 ` Lorenzo Stoakes (Oracle)
2026-03-25 18:27 ` Andrew Morton
2026-03-25 18:44 ` Lorenzo Stoakes (Oracle)
2026-03-25 19:11 ` Andrew Morton
2026-03-05 10:50 ` [PATCH 4/6] mm: reintroduce vma_flags_test() as a singular flag test Lorenzo Stoakes (Oracle)
2026-03-05 13:49 ` David Hildenbrand (Arm)
2026-03-25 14:57 ` Pedro Falcato
2026-03-25 15:02 ` Lorenzo Stoakes (Oracle)
2026-03-05 10:50 ` [PATCH 5/6] mm: reintroduce vma_desc_test() " Lorenzo Stoakes (Oracle)
2026-03-05 13:49 ` David Hildenbrand (Arm)
2026-03-25 14:58 ` Pedro Falcato [this message]
2026-03-05 10:50 ` [PATCH 6/6] tools/testing/vma: add test for vma_flags_test(), vma_desc_test() Lorenzo Stoakes (Oracle)
2026-03-05 13:52 ` David Hildenbrand (Arm)
2026-03-05 15:01 ` Lorenzo Stoakes (Oracle)
2026-03-05 15:42 ` David Hildenbrand (Arm)
2026-03-25 8:57 ` David Hildenbrand (Arm)
2026-03-25 15:00 ` Pedro Falcato
2026-03-06 1:28 ` [PATCH 0/6] mm: vma flag tweaks Andrew Morton
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