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charset=us-ascii Content-Disposition: inline In-Reply-To: X-Rspamd-Queue-Id: 8DF4540009 X-Rspamd-Server: rspam09 X-Rspam-User: X-Stat-Signature: iw6hkaicmjephxjdrezfskrzdsih5zwo X-HE-Tag: 1674119245-529438 X-HE-Meta: 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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: On Wed 18-01-23 14:27:23, Minchan Kim wrote: [...] > Let me know if you have other concern or suggestion. I would propose to use a tracepoint to track this on the madvise side. This way you can both track a per-process effectivity as well a madvise originator effectivity (if the policy is implemented by a global monitor then it won't get interfering activity by other users of this interface). Global counters cannot do neither of that. -- Michal Hocko SUSE Labs