Re: HIGHMEM=4G slows down ps2pdf with 2.4.28

[Alain Tesio <alain@onesite.org>]

On Thu, 2 Dec 2004 17:08:15 -0200
Marcelo Tosatti <marcelo.tosatti@cyclades.com> wrote:

> On Wed, Dec 01, 2004 at 11:25:22PM +0100, Alain Tesio wrote:
> > Hi,
> > 
> > With a 2.4.28 kernel, 1.5 Go RAM and nothing exotic, everything works fine
> > with CONFIG_HIGHMEM4G and CONFIG_HIGHMEM=y except that
> > ps2pdf is about 30 times slower 

> How does /proc/mtrr look like? 
> 
> Maybe some of your memory is configured as uncacheable.

reg00: base=0x00000000 (   0MB), size=1024MB: write-back, count=1
reg01: base=0x40000000 (1024MB), size= 256MB: write-back, count=1
reg02: base=0x50000000 (1280MB), size= 128MB: write-back, count=1
reg03: base=0x58000000 (1408MB), size=  64MB: write-back, count=1
reg04: base=0x5c000000 (1472MB), size=  32MB: write-back, count=1
reg05: base=0x5e000000 (1504MB), size=  16MB: write-back, count=1

I don't think that the hosting company played with the bios settings,
and I don't do anything special with memory.

Alain