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SubjectRe: HIGHMEM=4G slows down ps2pdf with 2.4.28
On Thu, 2 Dec 2004 17:08:15 -0200
Marcelo Tosatti <> 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.

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