Hi Raffaele,

On Sun, Feb 20, 2011 at 18:47:21, Raffaele Recalcati wrote:

> I don't think so.
> After startup the free memory decreases.
> Even if you do some free call it doesn't increase, because of VFS
> caching (nice for performance, not for know how much memory is really
> free).
> Maybe latest kernels are more sincer.

This command will drop the non-dirty caches:

$ echo 3 > /proc/sys/vm/drop_caches

Thanks,
Sekhar

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