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([2620:10d:c092:500::6:19cb]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-ad52d04af2asm625257266b.4.2025.05.19.11.31.43 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 19 May 2025 11:31:43 -0700 (PDT) Message-ID: Date: Mon, 19 May 2025 19:31:42 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: Memory allocation profiling warnings in memory bound systems To: Suren Baghdasaryan , Johannes Weiner Cc: Shakeel Butt , Linux Memory Management List , kent.overstreet@linux.dev, vlad.wing@gmail.com References: <17fab2d6-5a74-4573-bcc3-b75951508f0a@gmail.com> <20250519160846.GA773385@cmpxchg.org> <20250519172957.GB773385@cmpxchg.org> Content-Language: en-US From: Usama Arif In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspam-User: X-Rspamd-Server: rspam01 X-Rspamd-Queue-Id: DE459140004 X-Stat-Signature: hd38ehmcedutkux64w8cpwhnf5u3hgym X-HE-Tag: 1747679505-261594 X-HE-Meta: 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 CeCeAlgD 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 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 19/05/2025 18:56, Suren Baghdasaryan wrote: > On Mon, May 19, 2025 at 10:29 AM Johannes Weiner wrote: >> >> On Mon, May 19, 2025 at 06:23:59PM +0100, Usama Arif wrote: >>> For when the value is inaccurate, it might be better to have the number >>> and [X] next to it to reflect its inaccurate? Maybe an inaccurate number >>> is better than no number? >> >> Right, it could be a large consumer with only a handful of individual >> objects missing from the tally due to these extreme corner cases. > > Ok, then "?" might make more sense. Yeah I think that would be good as well. I guess as long as its loud enough for anyone looking at the profile to go and have a look at the documentation to see what it would mean.