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bh=tcht1R5s/T4pHG5HNU6dTugC2c81irUDLp57CkDkwJg=; c=simple/simple; d=linux.dev; h=from:to:subject:date:message-id:mime-version:content-type; s=key1; t=1793947096; v=1; x=1794551896; b=QfFBfMJqKZgCax0UNwVIBGuXekl2lbdBW7zSO4+ipBP3z7qJ0nblJww6chQ8uL6nLj+Vy8i7 ZPl6wNO0XFcZ4/jmaoh0UFyBELnarRn3C9kvG9XCT6oSH61Os87h0wSAHV4yFtAIs4FKj51+3+7 A1ZBAI+9H5wEv0yPiJV0qTNc= X-Envelope-To: linux-trace-kernel@vger.kernel.org Received: by smtp.migadu.com with ESMTPS id 28db605e17711592; Fri, 06 Nov 2026 06:38:11 +0000 X-Mizu-Trace-ID: 28db605e17711592 X-Migadu-Flow: FLOW_OUT From: Lance Yang To: ljs@kernel.org Cc: akpm@linux-foundation.org, david@kernel.org, jgg@ziepe.ca, jhubbard@nvidia.com, peterx@redhat.com, willy@infradead.org, jack@suse.cz, riel@surriel.com, liam@infradead.org, vbabka@kernel.org, harry@kernel.org, jannh@google.com, lance.yang@linux.dev, ziy@nvidia.com, matthew.brost@intel.com, joshua.hahnjy@gmail.com, byungchul@sk.com, gourry@gourry.net, ying.huang@linux.alibaba.com, apopple@nvidia.com, baolin.wang@linux.alibaba.com, nico.pache@linux.dev, ryan.roberts@arm.com, dev.jain@arm.com, baohua@kernel.org, usama.arif@linux.dev, kas@kernel.org, xu.xin@linux.dev, chengming.zhou@linux.dev, maddy@linux.ibm.com, npiggin@gmail.com, mpe@ellerman.id.au, chleroy@kernel.org, ritesh.list@gmail.com, sshegde@linux.ibm.com, pfalcato@suse.de, kasong@tencent.com, qi.zheng@linux.dev, shakeel.butt@linux.dev, axelrasmussen@google.com, yuanchu@google.com, weixugc@google.com, baoquan.he@linux.dev, rppt@kernel.org, surenb@google.com, mhocko@suse.com, leon@kernel.org, sj@kernel.org, rakie.kim@sk.com, rientjes@google.com, viro@zeniv.linux.org.uk, brauner@kernel.org, peterz@infradead.org, mingo@redhat.com, acme@kernel.org, namhyung@kernel.org, mark.rutland@arm.com, alexander.shishkin@linux.intel.com, jolsa@kernel.org, irogers@google.com, adrian.hunter@intel.com, james.clark@linaro.org, mhiramat@kernel.org, oleg@redhat.com, john.johansen@canonical.com, georgia.garcia@canonical.com, paul@paul-moore.com, jmorris@namei.org, serge@hallyn.com, zohar@linux.ibm.com, roberto.sassu@huawei.com, dmitry.kasatkin@gmail.com, eric.snowberg@oracle.com, wufan@kernel.org, stephen.smalley.work@gmail.com, omosnacek@gmail.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, kvm@vger.kernel.org, damon@lists.linux.dev, linux-trace-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, apparmor@lists.ubuntu.com, linux-security-module@vger.kernel.org, linux-integrity@vger.kernel.org, selinux@vger.kernel.org Subject: Re: [PATCH 07/13] mm/madvise: convert madvise_vma_behavior() to use vma_flags_t Date: Fri, 6 Nov 2026 14:38:01 +0800 Message-ID: <20261106063801.47076-1-lance.yang@linux.dev> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20261105-late-2026-vma-flags-v1-7-0d3cd15ab75f@kernel.org> References: <20261105-late-2026-vma-flags-v1-7-0d3cd15ab75f@kernel.org> X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit On Thu, Nov 05, 2026 at 09:30:58PM +0000, Lorenzo Stoakes (ARM) wrote: >Replace use of the legacy vm_flags_t flags with vma_flags_t values >throughout the madvise logic. > >In order to do so, update ksm_madvise() and hugepage_madvise() to take a >vma_flags_t pointer, and update their other callers in mremap and the >powerpc KVM ultravisor code accordingly. > >In the latter case we replace vm_flags_reset() with vma_overwrite_flags(). >The VMA is write locked at this point, so the atomic flags preserved by >vma_overwrite_flags() cannot differ from those copied, and the behaviour >is unchanged. > >No functional change intended. > >Signed-off-by: Lorenzo Stoakes (ARM) >--- Reviewed-by: Lance Yang