On Thu, Dec 19, 2024 at 05:06:31PM +0800, Jin Guojie <guojie.jin@xxxxxxxxx> wrote: > According to admin-guide/cgroup-v1/cpusets.rst, > > "1.5 What is memory_pressure ? > ... > So only systems that enable this feature > (i.e. memory_pressure_enabled) will compute the metric." > > To be consistent with the documentation, when memory_pressure_enabled is 0, > cpuset.memory_pressure should always returns 0. IMO a clearer fix would be to call fmeter_init() (again) when writing 1 to the memory_pressure_enabled. At the same time, the docs interpretation is lose in what should be shown (e.g. show last value, don't calculate updates), so it may need no fix. HTH, Michal
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