Messages in this thread |  | | Date | Thu, 2 Jan 2003 15:51:47 -0800 | From | William Lee Irwin III <> | Subject | Re: Questton about Zone Allocation 2.4.X |
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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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