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charset=us-ascii Content-Disposition: inline In-Reply-To: <87msvy6wn8.fsf@yhuang6-desk2.ccr.corp.intel.com> X-Rspamd-Queue-Id: D3A461C00A1 X-Rspam-User: X-Rspamd-Server: rspam04 X-Stat-Signature: 9fkr1pbj7aaf3bbu1dazxkmnzy49i13t X-HE-Tag: 1698847284-257743 X-HE-Meta: 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 Pq80Q02x A0ciRGyWaTaMnAh6hFOhEeh3GrX7cXC2vrblB6tR4VgRhmhOfr3pKQX6YDEEA2on2OcxxoKYBNiM9LjW6LcdmwzZBova7fzC6TBcLulDYkeaHqLoXVenh2V21JQMoRZUdt7Et9CyAk/Nk7a0uaMeTwR5kC3TkkxaOL52frf4IxVXz/vQfU2LnrOxLsnCETQqOrXyoluahpnRusCDWWrK0zEJpLTEjh+nZ32kQGbc0neKZAOS3+EBE5Cn5vg2WFJJsUKNh686DGALgYmjX03LkEwAjQ/JA3FGxZ1I7gpEEG2DFuH/mt7vS40GwOQPF30h2ae0ievXjderjdj4PNOJWrGr1vPqe/ngl9BbRQRvDk49X3ngaMOuvYDV0i+Cy24J1xdOnkCHwl/4GTDVOskWU6YsPZA== 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 Wed 01-11-23 10:21:47, Huang, Ying wrote: > Michal Hocko writes: [...] > > Well, I am not convinced about that TBH. Sure it is probably a good fit > > for this specific CXL usecase but it just doesn't fit into many others I > > can think of - e.g. proportional use of those tiers based on the > > workload - you get what you pay for. > > For "pay", per my understanding, we need some cgroup based > per-memory-tier (or per-node) usage limit. The following patchset is > the first step for that. > > https://lore.kernel.org/linux-mm/cover.1655242024.git.tim.c.chen@linux.intel.com/ Why do we need a sysfs interface if there are plans for cgroup API? -- Michal Hocko SUSE Labs