On Mon, Jul 16, 2012 at 1:27 PM, Alan Cox <a...@lxorguk.ukuu.org.uk> wrote:

> > This is well known issue. The missing space is occupied by the page table
> > index. When pages are 4k in size you need a lot of table entries to
> describe
> > a full 4 gigabytes, like a million of them. Linux seems to have optimized
> > this a little. Windows loses a bit more memory, if I recall correctly.
>
> We account for the page tables in our memory report as part of the kernel
> memory.
>
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What is the real difference between i386 and x86?
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