Re: where's my memory?

I have a argument with another user about memory.  He claims that on running
linux on his 4G Dell machine, top only reports 3.something memory, he says
the missing space is for pci bus.  I think this is only because he's running
32 bit and that 64 bit would give all the memory.

I tried on my 64bit 8G machine, and it reports
8114688k total
8114688 * 1024 = 8309440512 (assuming top 'k' is 1024)
2**33 = 8589934592
The diff is:
 280494080

I know some will be kernel space, but that doesn't account for 280M.


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