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<heat> i'm out of the loop, what's idea behind the slub percpu caches and why does it sound suspiciously similar to the slab cpu_cache's? wasn't the entire point of slab to skip all this queueing?
<heat> erm, entire point of SLUB*
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<vbabka> yeah, but some use cases might need it
<vbabka> https://mas.to/@carnage4life/110850691497063871
<heat> what happens to perf if you slap on the percpu cache unconditionally?
<vbabka> haven't tried, in the current state some caches will get worse due to it ignoring NUMA
<vbabka> and memory usage will bloat, which is already an issue