swap usage

Gerard Beekmans gerard at linuxfromscratch.org
Mon Mar 4 12:02:43 PST 2002

On Mon, Mar 04, 2002 at 07:49:45PM +0000, J x wrote:
> What's got me wondering is that it _can_ use 500MB+ to
> build LFS. That's what is used when I build on the box
> with 512MB. Both boxes show the same thing, about 3-12
> megs free all the time. Since it will use the physical

You probably have a lot more free memory if you include cached memory
(which is made available when you need it). Most linux systems show
those seemlingly low available ram numbers, but a lot of it is cached.

Here's what my system shows right now:
gerard at gwaihir:~$ free
             total       used       free     shared    buffers     cached
Mem:        318604     314244       4360          0      54420     125004
-/+ buffers/cache:     134820     183784
Swap:       648504      45844     602660

My real free ram is about 183 MB not 4 MB

Gerard Beekmans

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