Ah, my willing patch is here. :-).
My system, which is Tiger4 with my numa emulation,
can boot up by this patch.
Thanks.
> On (13/04/06 00:20), Mel Gorman didst pronounce:
> > This is V2 of the patchset. They have been boot tested on x86, ppc64
> > and x86_64 but I still need to do a double check that zones are the
> > same size before and after the patch on all arches. IA64 passed a
> > basic compile-test. a driver program that fed in the values generated
> > by IA64 to add_active_range(), zone_present_pages_in_node() and
> > zone_absent_pages_in_node() seemed to generate expected values.
>
> I didn't look at the test program output carefully enough! There was a
> double counting of some holes because of a missing "if" - obvious in the
> morning. Fix is this (applies on top of the debugging patch)
>
> diff -rup -X /usr/src/patchset-0.5/bin//dontdiff linux-2.6.17-rc1-zonesizing-v6/mm/mem_init.c linux-2.6.17-rc1-zonesizing-v7/mm/mem_init.c
> --- linux-2.6.17-rc1-zonesizing-v6/mm/mem_init.c 2006-04-13 10:30:50.000000000 +0100
> +++ linux-2.6.17-rc1-zonesizing-v7/mm/mem_init.c 2006-04-13 10:37:11.000000000 +0100
> @@ -761,9 +761,11 @@ unsigned long __init zone_absent_pages_i
> }
>
> /* Update the hole size cound and move on */
> - hole_pages += start_pfn - prev_end_pfn;
> - printk("Hole found index %d: %lu -> %lu\n",
> - i, prev_end_pfn, start_pfn);
> + if (start_pfn > arch_zone_lowest_possible_pfn[zone_type]) {
> + hole_pages += start_pfn - prev_end_pfn;
> + printk("Hole found index %d: %lu -> %lu\n",
> + i, prev_end_pfn, start_pfn);
> + }
> prev_end_pfn = early_node_map[i].end_pfn;
> }
>
> -
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--
Yasunori Goto
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