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b=vTYqGDowpPg8Iyk48kKeUEu5pZARlBGNUsLGCicsVuLrKB3ZcGiUjQjDrGlS61xUI XBFOA/sEwVbAy8XDj141vmeeQLqLg9v+C2LNsCdHZZGlFIA8YtW0kRjbnv4yn/0QkM H7UbQMSSxb5y1eFX+j6ValW3wN31zmlbEy3MmHiI= Date: Tue, 15 Apr 2025 19:14:14 -0700 From: Andrew Morton To: Ye Liu Cc: linux-kernel@vger.kernel.org, linux-toolchains@vger.kernel.org, linux-mm@kvack.org, Ye Liu Subject: Re: [PATCH] tools/drgn: Add script to display page state for a given PID and VADDR Message-Id: <20250415191414.a64de2d228ab5f43a5390acf@linux-foundation.org> In-Reply-To: <20250415075024.248232-1-ye.liu@linux.dev> References: <20250415075024.248232-1-ye.liu@linux.dev> X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: CB1B1180004 X-Rspam-User: X-Stat-Signature: j5wqfoxd1r7kda1fhn4shh1o1etjg1kb X-HE-Tag: 1744769656-322573 X-HE-Meta: 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 4UBtMS/Y uS6g1AQIrYNfgnqfTKDNROAmgtaWZQ7lwuaZJZSVkqH0qD53WzZSLuaZ9BMoU285EplHdVeva/vfzR4fFT/PbdqNIgW4Dh3cEVHhmA0Vg/TwdahYuUk1UYQokDJwmiVzvpkjchGSIUAro+BwX5N2RHeThneQ8qraYJQ8f9LYmLgLsvl+66y0V8Eum15qI4T4vPIPvpHd3s6N8SOcmSKbHfRm13+ZgJG6v8UkO+iid3In2jSW5jxm34X67qQ== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000004, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Tue, 15 Apr 2025 15:50:24 +0800 Ye Liu wrote: > From: Ye Liu > > Introduces a new drgn script, `show_page_info.py`, which allows users > to analyze the state of a page given a process ID (PID) and a virtual > address (VADDR). This can help kernel developers or debuggers easily > inspect page-related information in a live kernel or vmcore. > > The script extracts information such as the page flags, mapping, and > other metadata relevant to diagnosing memory issues. > > Currently, there is no specific maintainer entry for `tools/drgn/` in the > MAINTAINERS file. Therefore, this patch is sent to the general kernel and > tools mailing lists for review. Help. My copy of linux has no tools/drgn/