Re: Free memory, include "cached"?

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Matthias Kaehlcke wrote:
> El Tue, Oct 14, 2008 at 02:14:46PM +0200 Gregoire Banderet ha dit:
>> anubhav rakshit wrote:
>>>> I have to report the amount of FreeMem on my embedded system. The rootfs
>>>> is in RAM. I use /proc/meminfo.
>>>> I started by doing : freemem = MemFree + Buffers + Cached
>>>> But I realized (tell me if I'm wrong) that my rootfs filesystems is
>>>> counted in "Cached".
>>>> Part of the memory in "Cached" can be allocated, so I should add it as
>>>> Free Memory, but part of it is my rootfs (i.e. really used).
>>>> How should I compute freemem ?
>>> Have you tried the free command.
>> Yes. What I need is to know which part of "Cached" is used for RAMFS.
> to know the size of your ramfs you may execute the following command:
> du -hx -d 0 /

Yeah, that's a good idea. I was searching for a system call, but I'll 
use your solution if nothing else exist.


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