Hi debian-user, Recently I added a 64 MB DIMM to a machine with 128 MB RAM, making a total of 192 MB. The funny thing is that if I do 'free' on the machine it says something like
total used free shared buffers cached
Mem: 192896 98172 94724 17752 63632 15328
-/+ buffers/cache: 19212 173684
Swap: 393584 0 393584
Doing 'ps' or 'top', OTOH, indicates that no process is using
more than 0.8% of memory, and there are only 30 processes, so the
used memory should be at most 46 MB, and not 98 MB as 'free'
says. Sometimes the 'used' figure in 'free' is as high as 180 MB
even when the machine is idle. After rebooting, it is okay, i.e.,
free shows something like 15-20 MB as used memory. But it soon
returns to the above state. Further, even when free says that
most of the memory is used the machine doesn't slow down
appreciably. E.g., I compiled a kernel using kernel-package, and
it took just a few minutes.
The machine doesn't run X.
Please let me know if you have any ideas on this.
Thanks,
Raghavendra.
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