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b=tFh5AqH+gi6m/CLMpP7QXYgwkYHzcXMB7mZp2v+6RCpabU7ltDnI2vft5P5GybKjV 1RI9Og7EAf86WmewFeV9tfagYcVEXCjNB5Jw9HAOJHoKenxGlDmu3Cm2oc3rVNBNtM 7UIZ2y2u5VliwKQZ8V2TxKcXP4mi+uupY+CN02Eg= Date: Thu, 11 Sep 2025 14:31:32 -0700 From: Andrew Morton To: Usama Arif Cc: Yueyang Pan , David Wang <00107082@163.com>, Suren Baghdasaryan , kent.overstreet@linux.dev, vbabka@suse.cz, hannes@cmpxchg.org, rientjes@google.com, roman.gushchin@linux.dev, harry.yoo@oracle.com, shakeel.butt@linux.dev, pasha.tatashin@soleen.com, souravpanda@google.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/1] alloc_tag: mark inaccurate allocation counters in /proc/allocinfo output Message-Id: <20250911143132.ca88948c48df874f71983218@linux-foundation.org> In-Reply-To: <902f5f32-2f03-4230-aab0-a886fd8e4793@gmail.com> References: <20250909234942.1104356-1-surenb@google.com> <20cafc1c.a658.199394de44e.Coremail.00107082@163.com> <902f5f32-2f03-4230-aab0-a886fd8e4793@gmail.com> X-Mailer: Sylpheed 3.7.0 (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-Queue-Id: 87B6312000F X-Stat-Signature: fu6uc35ptgqqgybxw1gp579xugzpd1r1 X-Rspam-User: X-Rspamd-Server: rspam09 X-HE-Tag: 1757626294-276410 X-HE-Meta: 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 bCE1zLrj tjgdCrRV6tzpOPe8p6ZPoqmUJUSnifybsi77tK/2tPUkZ6JuSq0x/aDpxC6JfwpuPwEDwKvsXLmayp5xHwx88StvYrVomMSl37zYGV1vdvuUgT4GC3ZhB0y/6Cmb79r72xsc4rrSgAnn11qQmpBej3c0dWkHjlC9JA5pNETqHKN7LgZl74bQXnjDt4GDg5Dkng6OYEKIbWLQ2pDxa48JyZiOHSAbUM2e7CXbZ2Jll7KNmTQcbsLBb+1r4t9zxrGsCWSa7hlADpJyR0Sbp5/36Iujxga98/PUfYHDcbzkxOOYOPlvs23JckPR9shLTQTLgmoeC X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, 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 Thu, 11 Sep 2025 12:00:23 -0400 Usama Arif wrote: > > I think simply adding * to the end of function name or filename is sufficient > > as they are already str. > > > > Instead of: > > 49152* 48* arch/x86/kernel/cpu/mce/core.c:2709 func:mce_device_create > > Could we do something like: > > 49152 48 arch/x86/kernel/cpu/mce/core.c:2709 func:mce_device_create(inaccurate) Can we add another row, saying "the previous row was inaccurate"? I guess that would break parsers also. I don't know if this was by design, but the present format does provide extensibility. It is basically NNNN NNN name:value name:value one could arguably append a third name:value and hope that authors of existing parsers figured this out. Whatev. I'll drop this version from mm.git.