On Sat, Dec 13, 2008 at 09:21:15AM +0800, Wu Fengguang wrote:
quoted text
> I cannot reproduce it on 2.6.28-rc7, compiling 2.6.28-rc8...
> 
> # free; echo 3 > /proc/sys/vm/drop_caches; free
>              total       used       free     shared    buffers     cached
> Mem:          1940        109       1831          0          0         42
> -/+ buffers/cache:         66       1873
> Swap:            0          0          0
>              total       used       free     shared    buffers     cached
> Mem:          1940         62       1877          0          0          7
> -/+ buffers/cache:         55       1884
> Swap:            0          0          0
> 
> > once the whole memory is eaten by the cache, the system is pretty unusable.
> 
> What's your kconfig?

attached.

-- 
Lukáš Hejtmánek