Re: increasing page size

[Rik van Riel <H.H.vanRiel@phys.uu.nl>]

On Sun, 5 Jul 1998, Peter-Paul Witta wrote:

> > Stephen Tweedie and Ingo Molnar have some swapin
> > readahead code, carefully hidden in a secret place...
> 
> this wont solve the dma fragmentation problem, would it???

That is solved with a new memory allocator. See my home
page for more info.

> > Page size is coded into hardware (except on m68k) and
> > there's no reason for using 32 kB pages when we can
> > use proper readahead and I/O clustering.
> 
> i thought intel ia32 had no problems with 4k .. 4m ???

x86 uses 4k for user pages. The 4M pages only work for
ring-0 (kernel mode) stuff.

Rik.
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