D23244.id.diff
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D23244.id.diff
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	Index: head/sys/powerpc/booke/pmap.c
	===================================================================
	--- head/sys/powerpc/booke/pmap.c
	+++ head/sys/powerpc/booke/pmap.c
	@@ -4028,7 +4028,22 @@
	sz >>= 2;
	} while (va % sz != 0);
	}
	- /* Now align from there to VA */
	+#ifdef __powerpc64__
	+ /*
	+ * Clamp TLB1 entries to 4G.
	+ *
	+ * While the e6500 supports up to 1TB mappings, the e5500
	+ * only supports up to 4G mappings. (0b1011)
	+ *
	+ * If any e6500 machines capable of supporting a very
	+ * large amount of memory appear in the future, we can
	+ * revisit this.
	+ *
	+ * For now, though, since we have plenty of space in TLB1,
	+ * always avoid creating entries larger than 4GB.
	+ */
	+ sz = MIN(sz, 1UL << 32);
	+#endif
	if (bootverbose)
	printf("Wiring VA=%p to PA=%jx (size=%lx)\n",
	(void *)va, (uintmax_t)pa, (long)sz);