>EarlyOOM being a 
>userspace process that races with the memory-consuming processes and that 
>may end up not getting scheduled due to the very impending OOM condition 
>that it is trying to prevent.

earlyoom consumes 1 MiB VmRSS and all memory is locked by mlockall(). earlyoom 
works pretty fast and selects victim in 5-50 ms even with intense swapping.

>It is also unclear that it can prevent full OOM (both 
>RAM and swap completely full) 

It's clear: earlyoom forks pretty fast and well.
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