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Tue, 01 Sep 2026 23:45:31 -0700 (PDT) Received: from PC-2B0BA31200898.company.local ([122.11.210.25]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-3990bd1b395sm11051480a91.1.2026.09.01.23.45.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 01 Sep 2026 23:45:30 -0700 (PDT) From: Meijing Zhao To: Lorenzo Stoakes , Andrew Morton Cc: Meijing Zhao , Steven Rostedt , Masami Hiramatsu , Mathieu Desnoyers , Wandun Chen , linux-mm@kvack.org, linux-trace-kernel@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 0/3] mm: trace: decode architecture-specific VMA flags Date: Wed, 2 Sep 2026 14:45:07 +0800 Message-Id: X-Mailer: git-send-email 2.25.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Meijing Zhao show_vma_flags(), which is used by VMA tracepoints and %pGv, names generic VM_* bits but does not fully decode architecture-specific flag positions. As a result, trace output and VMA dumps can show a generic "arch_1" name or a raw hexadecimal value instead of the meaning assigned by the target architecture. This series adds symbolic names for the arm64 and sparc64 meanings of VM_ARCH_1, arm64 MTE flags, user shadow stack flags, and protection-key encoding bits under their corresponding configuration guards. Changes in v2: - Rebase onto v7.3-rc1. - Fix the patch 1 changelog: "bti" and "adi" are descriptive trace names, but do not match the two-character smaps mnemonics. - Cc Lorenzo Stoakes. Meijing Zhao (3): mm: trace: decode arm64 and sparc64 VM_ARCH_1 flags mm: trace: decode MTE and shadow stack VMA flags mm: trace: name protection key encoding bits include/trace/events/mmflags.h | 43 ++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) -- 2.25.1