Messages in this thread | | | Date | Tue, 8 Feb 2022 01:43:03 -0700 | From | Yu Zhao <> | Subject | Re: [PATCH v7 10/12] mm: multigenerational LRU: thrashing prevention |
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On Tue, Feb 08, 2022 at 01:19:00AM -0700, Yu Zhao wrote: > Add /sys/kernel/mm/lru_gen/min_ttl_ms for thrashing prevention, as > requested by many desktop users [1]. > > When set to value N, it prevents the working set of N milliseconds > from getting evicted. The OOM killer is triggered if this working set > can't be kept in memory. Based on the average human detectable lag > (~100ms), N=1000 usually eliminates intolerable lags due to thrashing. > Larger values like N=3000 make lags less noticeable at the risk of > premature OOM kills.
Refactored min_ttl into a separate patch as requested here: https://lore.kernel.org/linux-mm/YdxSUuDc3OC4pe+f@dhcp22.suse.cz/
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