Messages in this thread | | | Date | Mon, 19 Dec 2011 10:39:54 +0000 | From | Alan Cox <> | Subject | Re: Android low memory killer vs. memory pressure notifications |
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> The main downside of this approach is that mem_cg needs 20 bytes per > page (on a 32 bit machine). So on a 32 bit machine with 4K pages > that's approx. 0.5% of RAM, or, in other words, 5MB on a 1GB machine.
The obvious question would be why? Would fixing memcg make more sense ?
The only problem I see with having a user space manager is that manager probably has to be mlock to avoid awkward fail cases and that may in fact make it smaller kernel side.
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