When the Linux kernel is booted, we limit the amount of physical
memory (120MB) available to the kernel using the 'mem=120M' in boot
argument.
To check the memory usage I run a command 'free' on DVEVM.
Even there are no any user applications running on DVEVM and it shows
nearly 30MB memory as used memory and 90MB as free memory.
Here is output of free command.
[EMAIL PROTECTED]:/home# free
total used free shared buffers cached
Mem: 118936 29520 89416 0 1648 7628
-/+ buffers/cache: 20244 98692
Swap: 0 0 0
Note - Above figures are in KB.
I can understand for some services like portmap, telnet, rpc, init,
udev etc are running and all these process will take approximately 5
to 6 MB. In addition to this size of kernel image is 1.3MB. Total is
about ~8MB.
I couldn't understand addition 22 MB memory usage. Can you please
explain where is this extra 22MB used?
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