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bh=VIg5pY0sBhoDHUCkynozPJyyyBzhn0SD+XqJCl/DX2E=; b=ur51GYTE2PM2xTY09JS0cAxfrrMgcksi2E8L5UaVsGStsT6bwlH326WLSm6l65zQtfEdqw Z4arZMuoF0l5KIbPLj1yCjM6zsKeo1KHpZgW4KMeov7zRMniNkkJ4UQHM1oXVcjpqRGzbA UBvQod4cxxgaQzlYpt3NWSL7267moYU= Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id 4716713481; Tue, 21 Feb 2023 16:16:56 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id kpteDnju9GOZEQAAMHmgww (envelope-from ); Tue, 21 Feb 2023 16:16:56 +0000 Date: Tue, 21 Feb 2023 17:16:55 +0100 From: Michal Hocko To: Christopher Wong Cc: Matthew Chae , Johannes Weiner , Roman Gushchin , Shakeel Butt , Andrew Morton , kernel , Muchun Song , "cgroups@vger.kernel.org" , "linux-mm@kvack.org" , "linux-kernel@vger.kernel.org" Subject: Re: Sv: [PATCH] mm/memcontrol: add memory.peak in cgroup root Message-ID: References: <20230221143421.10385-1-matthew.chae@axis.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: EF19020027 X-Rspam-User: X-Stat-Signature: 1qcuj9ggpex3ozqc75yfjjeg9yfjjp3d X-HE-Tag: 1676996217-841307 X-HE-Meta: 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 zhxW7qDQ m+iffF3YO+iALOSvetcE3Bole5nAo3sE8wIeeJiwtZ61rS+X7piPrXFoWvORtotFGDfLHHCXIfq8mlRPO2RZniRHe9AbeGiCJFBfWgFcw6idgau61csAxmxTFq8LrCuCVr99882FWBnz8K2DYXNIwBX0nB3HxdmkzTwaILt+a7o6+IVhWHSCQznrPLVVHVkytFuOqSr/reJiZMkk= 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: On Tue 21-02-23 16:13:14, Christopher Wong wrote: > Hi Michal, > > Thanks for the quick response! I think we are just trying to > get the same value that was available for us in cgroup v1 > memory.max_usage_in_bytes. I guess this value also is incomplete for > representing the system memory usage. Correct. > Is it due the incompleteness that the memory.peak has been left out in > the root of cgroup v2? I think so but I do not remember 100%. You might want to look into email archives. -- Michal Hocko SUSE Labs