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Mon, 2 Sep 2024 10:37:51 +0000 (UTC) Received: from [149.20.5.111] (unknown [149.20.5.111]) by zimbrang.isc.org (Postfix) with ESMTPSA id 6CEBE12CA1D1; Mon, 2 Sep 2024 10:37:50 +0000 (UTC) Message-ID: <2ff8d9c9-febc-4049-b79b-945efe8dcc78@isc.org> Date: Mon, 2 Sep 2024 12:37:48 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH RFC] mm: mmap: Change DEFAULT_MAX_MAP_COUNT to INT_MAX From: =?UTF-8?B?UGV0ciDFoHBhxI1law==?= To: Pedro Falcato Cc: Lorenzo Stoakes , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Vlastimil Babka , Liam Howlett References: <20240830095636.572947-1-pspacek@isc.org> <90f07fec-3f46-4b38-86fd-07c9f8201904@lucifer.local> <82960a7e-9013-475e-9b80-7b29a5667482@lucifer.local> <5dca8600-0352-4b5b-acb0-0cd4f84733f4@isc.org> Content-Language: en-US Autocrypt: addr=pspacek@isc.org; keydata= xsFNBF/OJ/4BEAC0jP/EShRZtcI9KmzVK4IoD/GEDtcaNEEQzPt05G8xtC0P4uteXUwW8jaB CdcKIKR4eUJw3wdXXScLNlyh0i+gm5mIvKPrBYNAMOGGnkbAmMQOt9Q+TyGeTSSGiAjfvd/N nYg7L/KjVbG0sp6pAWVORMpR0oChHflzKSjvJITCGdpwagxSffU2HeWrLN7ePES6gPbtZ8HY KHUqjWZQsXLkMFw4yj8ZXuGarLwdBMB7V/9YHVkatJPjTsP8ZE723rV18iLiMvBqh4XtReEP 0vGQgiHnLnKs+reDiFy0cSOG0lpUWVGI50znu/gBuZRtTAE0LfMa0oAYaq997Y4k+na6JvHK hhaZMy82cD4YUa/xNnUPMXJjkJOBV4ghz/58GiT32lj4rdccjQO4zlvtjltjp9MTOFbRNI+I FCf9bykANotR+2BzttYKuCcred+Q7+wSDp9FQDdpUOiGnzT8oQukOuqiEh3J8hinHPGhtovH V22D0cU6T/u9mzvYoULhExPvXZglCLEuM0dACtjVsoyDkFVnTTupaPVuORgoW7nyNl0wDrII ILBqUBwzCdhQpYnyARSjx0gWSG1AQBKkk5SHQBqi1RAYC38M59SkpH0IKj+SaZbUJnuqshXh UIbY1GMHbW/GDhz7pNQFFYm2S4OPUBcmh/0O0Osma151/HjF7wARAQABzR9QZXRyIMWgcGHE jWVrIDxwc3BhY2VrQGlzYy5vcmc+wsGXBBMBCABBAhsDBQsJCAcCBhUKCQgLAgQWAgMBAh4B AheAAhkBFiEEEVO2++xeDVoSYmDzq9WHzfBlga4FAmWT+REFCQelsxMACgkQq9WHzfBlga7y 2Q//Ug58UI9mlnD/guf9mHqpJIMrBs/vX8HlzylsDcZUBTp2TJpzNh/CygPWrHY+IvA9I9+t Ygp0sB+Z9OtVZgW3bpWJ0iWe6N89Q0kwOuhJ75LsfR1V73L5C826M6bLQjYTj6HiwS9Nf+N0 jADhEV/p1KtCuZfwBkYJ4ZM+Na0zWerGPkGw9T9O0gfs0ePehzJ5V0OK0nCqMuC1h8o/rhCb vRCmxdAbNjrOrgKa7HN5DadP/tKstJMM09aXlT5q96fRIyCQyqXQoCrijCWvgAxgjABdh1TB /XsYvBC8+4wy5ZBtTcnxXGrMhrSxU2/vIK6RjDju7OIRClMNepEzvt0gNzxwwxIXVOzl5ioC i/Okovk1rZneFFxbVvaMyIJgY/hShJV7Ei+5S9UZUv6UUmRQ6zukeiSVZrtXs6fWLVlUnBDl Cv/fXi25hrymqNfPSBSB0tyc6YepR1Rq9omTni6DYmEHQuhPMHJ2fuiNNyBaH+9EI7go5e0J LvXVLJGXkMdTcmYHja1pDjmQ1K71gewfPWGFmn0JTa92GuZJaR/4MVePvoV0NTpCP0HiKIg5 0+AOdpvkJReFKTQOX08SwkUkgvy9h9WjBMpD5ymMs4gjJwXtcT1+aVtj9Xcw6tQde9Yyjxde a6UZ3TUfys8qZ8ZKmMKTaCUFukKzWDJMZ91V1b/OwU0EX84n/gEQANARNXihDNc1fLNFZK5s O14Yg2TouK9eo9gGh4yLSrmZ3pjtnuJSpTWmGD4g0EYzhwWA/T+CqjUnrhsvzLQ1ECYVqLpM VqK2OJ9PhLRbx1ITd4SKO/0xvXFkUqDTIF6a5mUCXH5DzTQGSmJwcjoRv3ye+Z1lDzOKJ+Qr gDHM2WLGlSZAVGcUeD1S2Mp/FroNOjGzrFXsUhOBNMo8PSC4ap0ZgYeVBq5aiMaQex0r+uM4 45S1z5N2nkNRYlUARkfKirqQxJ4mtj5XPC/jtdaUiMzvnwcMmLAwPlDNYiU0kO5IqJFBdzmJ yjzomVk1zK9AYS/woeIxETs+s6o7qXtMGGIoMWr6pirpHk4Wgp4TS02BSTSmNzParrFxLpEU dFKq3M0IsBCVGvfNgWL2pKKQVq34fwuBhJFQAigR9B3O9mfaeejrqt73Crp0ng0+Q74+Llzj EIJLOHYTMISTJyxYzhMCQlgPkKoj+TSVkRzBZoYFkUt4OXvlFj73wkeqeF8Z1YWoOCIjwXH9 0u2lPEq0cRHHyK+KSeH1zQJ4xgj0QDGPmkvi81D13sRaaNu3uSfXEDrdYYc+TSZd2bVh2VCr xrcfzQ1uz9fsdC9NPdNd7/mHvcAaNc5e9IhNh67L54aMBkzlJi18d0sWXOOHkyLSvbHnC/OP wv7qCf69PUJmtoeHABEBAAHCwXwEGAEIACYCGwwWIQQRU7b77F4NWhJiYPOr1YfN8GWBrgUC ZZP5UgUJB6WzVAAKCRCr1YfN8GWBrgxpD/949Tz7EtrE9e2yJ4np+y7uW8EDusVM3QsBdkYk yaQTupITew8WWQtNF/QK/MKRi+e/382t78nBq+T7G9PrRi7E4WS9dXdgJiFz25h3mC4TABJZ b6MLcEreLWTaqnR/D6F3AnNXh7GJFY4E6PAwC60W0R9G6R0E+2XeZX011NEGiBMvgZnqzzjU L9h8Gz7a/EsQync4cvLbruPt/UaOV0khKTefsOFj3q3wLY6qN2qw7HfgFRBCh6ME2XRvnwAd iv0pF4HRbXoFalkAsNEYkWQ6mkJjdYCHOWm3TWqXhalgGKqIOrQyMpH2mJpZllKBQiBiQMUz qz0cO9OqBk3xvNLplI3VNcC0WeQ8LEqyYKth2T78hVaIw8K0IcVmZQwXVxL03gojaJ5bK2O+ 2FfqKMcIiU+bqaTXntx+FYRQKblsUBYD77uU9sPVyKWIiHvukLTx7GY1ttn6gZDSIek/tTR7 oaei+xLh5JUgZpMZ4JHnirDWHbrJzYN95e8HWA/+qAOTsa+igZGsc6yA1oJIAnCwkclcLAgc x3GVVeEL+/b9CugZ+1OfbxlRK7gAeu0kyKiEXrUvCQPnPByIIfj4I4IvZO4552cmmnbn31f9 X/9nw+M4qAqOK7bRg65ucv71TayUehNJrfJSYx6P1tXIwzu19tIgtdWTcsszNWALfaUFtg== In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: quoted-printable X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: 6F2C318001F X-Stat-Signature: fbmrfuozd3bfskepm4r9grnmi8pa1t57 X-Rspam-User: X-HE-Tag: 1725273473-401422 X-HE-Meta: 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 o54fvZI0 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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 30. 08. 24 19:00, Petr =C5=A0pa=C4=8Dek wrote: > On 30. 08. 24 17:04, Pedro Falcato wrote: >> On Fri, Aug 30, 2024 at 04:28:33PM GMT, Petr =C5=A0pa=C4=8Dek wrote: >> >> Can you get us a dump of the /proc//maps? It'd be interesting to=20 >> see how >> exactly you're hitting this. https://users.isc.org/~pspacek/sf1717/bind-9.18.28-jemalloc-maps.xz RSS was about 8.9 GB when the snapshot was taken. I'm curious about your conclusions from this data. Thank you for your tim= e! --=20 Petr =C5=A0pa=C4=8Dek Internet Systems Consortium