It's not necessarily a problem that the memory is in use, it just
depends on how it's being used. You will normally have very little
memory that's truly free, as the kernel uses most of the RAM not
otherwise in use to cache data from the disk. I'm not sure how system
monitor calculates what it reports, but what I would consider to be
"free" memory is the sum of the MemFree, Buffers, and Cached fields from
/proc/meminfo. And even that's not the whole picture, as some of the
other RAM that's in use can be reclaimed when needed as well.
The results in meminfo-nogui.txt aren't vastly different with regard to
anonymous page usage, but you do have about 100 MB more between buffers
and caches.
Off the top of my head, I'm not really sure where else to look for
anonymous page usage. I'll poke around and see if I can find anything,
but for the moment we've reached the end of my knowledge on the subject.
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/818016
Title:
PC has 1gb of Ram but Ubuntu 11.04 Full starts using 800mb = Slow
computer
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