On Tue, 2005-10-18 at 19:22 -0600, Alex Williamson wrote:
> On Tue, 2005-10-18 at 16:22 -0700, Ravikiran G Thirumalai wrote:
>
> > Hope the following works. Using __alloc_bootmem_node now with a hard coded
> > goal to avoid 16MB DMA zone. It is ugly :( and hope it works this time
> > <fingers crossed>.
>
> Nope, it still gives me memory above 4GB. If I change goal to 0x0 it
> works.
BTW, the reason 16MB fails is this test in __alloc_bootmem_core():
if (bdata->last_success >= preferred)
preferred = bdata->last_success;
That pretty much negates most of usefulness of passing in a goal other
than 0 or !0. If I comment out this test, the 16MB goal works as
expected, but I get an uninitialized timer in the sym53c8xx driver. Not
sure what's happening there, but apparently the test has some purpose
other than optimization. Thanks,
Alex
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