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SubjectRe: Questton about Zone Allocation 2.4.X
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.

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