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AJvYcCWLcvaQP8T8FrAtqc578gu9jmAlaPGiu7jJ7BcOoKn7HvRWdjHd+l484egmfIAUgQ0ZpQdP9Kx7+w==@kvack.org X-Gm-Message-State: AOJu0YybZOngeSv9j7Jv8tMb5ts2Z4aTRPPIM1ZGRvQ8bHoAQRAq/700 Lzp+kqx7z80tRg4PkZo0fcBg3i9sMLj6r/H7agR8pc5lC2moecBbpLN/x/VSa8GPrxA9k0yUZNX uMsBER/xBmBDzkfReh9nKp6snU3Wab/PMSo4UFZ6Q X-Gm-Gg: ASbGncvPHjBQsefWmMqjWKUZ77fnmMhe4X+SqtenKlftaGgeaulpxHvaatll74E7A4t Xcvm4Zjp/6BjAvr7Jz0znZ/Ot6JkYcmtIV0UG3VYTulyXsukKAqUJQHfVpgv6rbyseHSlQi6MGJ PXDEqcjxy9m8fjA1tEUjGi21bxxu8IzRrrjqgioJ0HgY3bVbboPQEY6+S3oxcHhAqodQaTQ54Cu yBVqo0FbqylPo5dYgvCyByCakFH+EOWVV7BdKMCcSzA5gW5mzT33LCM0TFrXEY= X-Google-Smtp-Source: AGHT+IFwZOxD9kLzPCB1lILJmI0xgkzuMmGn6adIQK8bdZ9yMIliCNXUh+Z4nqxF5q5gbdz8Rfginp11jxz6hV6K3Jo= X-Received: by 2002:ac8:5d08:0:b0:4b7:9a9e:833f with SMTP id d75a77b69052e-4ba2e66f6d0mr969151cf.7.1758060960355; Tue, 16 Sep 2025 15:16:00 -0700 (PDT) MIME-Version: 1.0 References: <20250916160110.266190-1-surenb@google.com> <4c4e97c1-7f93-4c09-a235-ab169a998ef0@gmail.com> In-Reply-To: <4c4e97c1-7f93-4c09-a235-ab169a998ef0@gmail.com> From: Suren Baghdasaryan Date: Tue, 16 Sep 2025 22:15:49 +0000 X-Gm-Features: AS18NWCPPfExsO_fHti7iMCfKkGoQVQGtNzFsTAs87brLA4n_LMr0i3QIz8xI9Q Message-ID: Subject: Re: [PATCH 1/1] fixup: alloc_tag: mark inaccurate allocation counters in /proc/allocinfo output To: Usama Arif Cc: akpm@linux-foundation.org, 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, 00107082@163.com, pyyjason@gmail.com, pasha.tatashin@soleen.com, souravpanda@google.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: C12BB4000D X-Stat-Signature: ubfebh963egrnceyqnoiz9kxzyznyuhd X-Rspam-User: X-HE-Tag: 1758060961-466446 X-HE-Meta: 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 c/LhFKSd 6faer3ZnGDkI30mIrP++t2DmE6nH3QzuD5m9uIEV8SvD47SWYX3kcE8U6UfROWY6a/bsRczXE0fRvVYyU0Iom0eAZl+54YIJUPxliOa+NspLDmX2QRLlgmwGMKZD5b5eT7iy2hd4i35wg8tpkyC07V9waaPXwMV1Py57jxBQgwPGcCSob09ZEkbdaPN7fKEyQux5KXC5Nl+mH2gjyzGh7GOLot6IObFWdBL1BFNOIlcBSMIoiuDulYtqfryNt4g7oUXgtoNz2zXVTi8sQXtSdSFYOuxBTYZYNU/iwXMNgErnBfYmbI+7yaYPynoNkQlxKXxq4fimNbcl20dsWp6pxhmnVQDJ/nYl0aez1 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 Tue, Sep 16, 2025 at 8:50=E2=80=AFPM Usama Arif = wrote: > > > > On 16/09/2025 17:01, Suren Baghdasaryan wrote: > > Document new "accurate:no" marker. > > > > Fixes: 39d117e04d15 ("alloc_tag: mark inaccurate allocation counters in= /proc/allocinfo output") > > Suggested-by: Andrew Morton > > Signed-off-by: Suren Baghdasaryan > > --- > > Based on mm-new > > > > Documentation/filesystems/proc.rst | 8 ++++++++ > > 1 file changed, 8 insertions(+) > > > > diff --git a/Documentation/filesystems/proc.rst b/Documentation/filesys= tems/proc.rst > > index 1776a06571c2..17668f82ff1c 100644 > > --- a/Documentation/filesystems/proc.rst > > +++ b/Documentation/filesystems/proc.rst > > @@ -1014,6 +1014,14 @@ If file version is 2.0 or higher then each line = may contain additional > > For example if the counters are not accurate, the line will be appende= d with > > "accurate:no" pair. > > > > +Supported markers in v2: > > +accurate:no > > + Absolute values of the counters in this line are not > > s/values/value/ maybe? :)> + accurate because of the failure= to allocate storage required Maybe... English is not my first or second language, so I'm not really sure= ... > > s/storage required/memory/ I'm fine with the proposed changes. Andrew, if you agree with them, could you please fold them in when you pick up this patch? > > > + to track some of the allocations made at this location. > > + Deltas in these counters are accurate, therefore counter= s > > + can be used to track allocation size and count changes. > > + > > > Example output. > > > > :: > > > > base-commit: 199236646ffd82b5a5bcf2bca1579ea06cb0ae74 >