Messages in this thread |  | | Date | Thu, 2 Jan 2003 16:00:34 -0800 | From | William Lee Irwin III <> | Subject | Re: Questton about Zone Allocation 2.4.X |
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At some point in the past, I wrote: >> __get_free_pages() allocates from lowmem (i.e. 0-4GB) only. >> Allocate from highmem instead.
0-1GB. page_address() will give unpredictable results on highmem GFP masks.
On Thu, Jan 02, 2003 at 06:08:49PM -0700, Jeff V. Merkey wrote: > 0-4GB is where I need to allocate, so allocating from highmem is not > a solution. I found the Ingo/Andrea patch for RH 8.0, but this patch > looks a little scary since it affects the memory allocations between > user and kernel space and the ratios alloted to these areas (I may > be missing something here -- as Dave M. puts it "Jeff you are such a pain > in the ass sometimes" :-).
There is no GFP mask for it. Port Jens' ZONE_DMA32 or something, or roll ZONE_4G on your own if need be.
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