Re: Let's talk about the elephant in the room - the Linux kernel's inability to gracefully handle low memory pressure

[Alexey Avramov]

> Would it be possible to reserve a fixed (configurable) amount of RAM 
> for caches, and trigger OOM killer earlier, before most UI code is 
> evicted from memory?

Yes! Try this patch: https://github.com/hakavlad/le9-patch

The patch provides sysctl knobs for protecting the specified amount of 
clean file pages under memory pressure.