Re: Questton about Zone Allocation 2.4.X

[William Lee Irwin III]

On Thu, Jan 02, 2003 at 05:55:17PM -0700, Jeff V. Merkey wrote:
> I have a system in the lab with 4GB of physical and the system can see all 
> the memory, however, calls to get_free_pages() will only allocate up to 1GB
> of this memory before returning an out of memory condition.  I have reviewed
> Ingo's changes and enhancements with the zone allocator and it certainly 
> looks like this code has the smarts to balance the contiguous free pages
> on the zone allocation lists.  I need to be able to get more than 1GB to 
> pin for a particular application.  Where do I need to adjust the tuning
> to allow 2.4.X kernels to allocate mote than 1GB from the physical pages
> list?
> Any help would be appreciated.
> Thanks
> Jeff Merkey
> Network Associates

__get_free_pages() allocates from lowmem (i.e. 0-4GB) only.
Allocate from highmem instead.

Bill