Messages in this thread | | | Date | Tue, 10 Jun 2008 10:22:42 -0700 (PDT) | From | Christoph Lameter <> | Subject | RE: [patch 01/41] cpu_alloc: Increase percpu area size to 128k |
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On Mon, 2 Jun 2008, Luck, Tony wrote:
> > The per cpu allocator requires more per cpu space and we are already near > > the limit on IA64. Increase the maximum size of the IA64 per cpu area from > > 64K to 128K. > > > -#define PERCPU_PAGE_SHIFT 16 /* log2() of max. size of per-CPU area */ > > +#define PERCPU_PAGE_SHIFT 17 /* log2() of max. size of per-CPU area */ > > Don't you need some more changes to the alt_dtlb_miss handler in > ivt.S for this to work? 128K is not a supported pagesize on any > processor model.
Ok so this needs to be 18?
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