===== include/asm-ia64/pgtable.h 1.54 vs edited =====
--- 1.54/include/asm-ia64/pgtable.h	2005-03-13 15:29:40 -08:00
+++ edited/include/asm-ia64/pgtable.h	2005-03-16 09:44:35 -08:00
@@ -550,6 +550,28 @@
 #define __HAVE_ARCH_PTEP_SET_WRPROTECT
 #define __HAVE_ARCH_PTE_SAME
 #define __HAVE_ARCH_PGD_OFFSET_GATE
+
+/*
+ * Overrides to deal with virtual address space holes.
+ */
+#define IA64_REGION_HOLE (PGDIR_SIZE << (PAGE_SHIFT-6))
+#define pgd_addr_end(addr, end)						\
+({	unsigned long __boundary = ((addr) + PGDIR_SIZE) & PGDIR_MASK;	\
+	if (__boundary & IA64_REGION_HOLE)				\
+		__boundary |= (RGN_SIZE - 1) & ~(IA64_REGION_HOLE - 1);	\
+	(__boundary - 1 < (end) - 1) ? __boundary : (end);		\
+})
+
+#undef IA64_REGION_HOLE
+#define IA64_REGION_HOLE (PMD_SIZE << (PAGE_SHIFT-3))
+#define pmd_addr_end(addr, end)						\
+({	unsigned long __boundary = ((addr) + PMD_SIZE) & PMD_MASK;	\
+	if (__boundary & IA64_REGION_HOLE)				\
+		__boundary |= (RGN_SIZE - 1) & ~(IA64_REGION_HOLE - 1);	\
+	(__boundary - 1 < (end) - 1) ? __boundary : (end);		\
+})
+
+
 #include <asm-generic/pgtable-nopud.h>
 #include <asm-generic/pgtable.h>