Messages in this thread | | | Date | Fri, 13 Aug 2021 13:36:01 +0100 | From | Chris Down <> | Subject | Re: [PATCH v1] mm: Add configuration to control whether vmpressure notifier is enabled |
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yongw.pur@gmail.com writes: >From: wangyong <wang.yong12@zte.com.cn> >Inspired by PSI features, vmpressure inotifier function should also be >configured to decide whether it is used, because it is an independent >feature which notifies the user of memory pressure. > >Since the vmpressure interface is used in kernel common code, for >users who do not use the vmpressure function, there will be >additional overhead.
Could you please demonstrate this additional overhead with profiles or demonstrations of other real world effects? Thanks.
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