Jens Axboe wrote:
> On Mon, Aug 02 2004, Barry K. Nathan wrote:
> 
>>On Mon, Aug 02, 2004 at 04:02:34PM -0500, Steve Snyder wrote:
>>
>>>There seems to be a controversy about the use of the CONFIG_HIGHMEM4G  
>>>kernel configuration.  After reading many posts on the subject, I still 
>>>don't know which setting is best for me.

No idea what the performance hit is of highmem these days - it seems 
insignificant compared to 2.4 so I've had it enabled for 1Gb ram.

> There's also the option of moving the mapping only slightly, so that all
> of the 1G fits in low memory. That's the best option for 1G desktop
> machines, imho. Changing PAGE_OFFSET from 0xc0000000 to 0xb0000000 would
> probably be enough.
> 
> Then you can have your cake and eat it too.

Something like this attached patch? Seems to work nicely. Thanks!

Cheers,
Con