Re: [gentoo-user] What is HIGHPTE option in kernel?

[Bastian Balthazar Bux]

Ow Mun Heng wrote:
> [quote]
> Allocate 3rd-level pagetables from highmem (HIGHPTE)
>
> The VM uses one page table entry for each page of physical memory.
> For systems with a lot of RAM, this can be wasteful of precious
> low memory. Setting this option will put user-space page table
> entries in high memory.
> [/quote]
>
> I have 1.5Gb of RAM, will this be useful for me?
>
Not sure but:
3rd-level pagetables are for systems with a *lot* of memory that don't
want to waste space in the lowest gig of mem (to keep addresses of high
mem.).

So basically no advantage with 1.5 gig

Cheers
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