D20857.diff
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	Index: head/sys/powerpc/pseries/platform_chrp.c
	===================================================================
	--- head/sys/powerpc/pseries/platform_chrp.c
	+++ head/sys/powerpc/pseries/platform_chrp.c
	@@ -140,8 +140,15 @@
	if (!(mfmsr() & PSL_HV)) {
	struct mem_region phys, avail;
	int nphys, navail;
	+ vm_offset_t off;
	+
	mem_regions(&phys, &nphys, &avail, &navail);
	- realmaxaddr = phys[0].mr_size;
	+
	+ realmaxaddr = 0;
	+ for (i = 0; i < nphys; i++) {
	+ off = phys[i].mr_start + phys[i].mr_size;
	+ realmaxaddr = MAX(off, realmaxaddr);
	+ }

	pmap_mmu_install("mmu_phyp", BUS_PROBE_SPECIFIC);
	cpu_idle_hook = phyp_cpu_idle;