--- 2.3.16/arch/i386/mm/init.c	Wed Sep  1 09:29:44 1999
+++ 2.3.16-d117/arch/i386/mm/init.c	Sat Sep  4 16:15:20 1999
@@ -375,7 +375,7 @@
 	int datapages = 0;
 	int initpages = 0;
 	unsigned long tmp;
-	unsigned long addr;
+	unsigned long addr, size;
 	int i, avail;
 
 	end_mem &= PAGE_MASK;
@@ -415,14 +415,19 @@
 	for (avail = i = 0; i < e820.nr_map; i++) {
 		if (e820.map[i].type != 1)	/* not usable memory */
 			continue;
-		printk("memory region: %luk @ %08lx\n",
-				    ((long)(e820.map[i].size)) / 1024,
-				    (long)(e820.map[i].addr) );
-		for (addr=PAGE_ALIGN(((long)(e820.map[i].addr)))+PAGE_OFFSET,
-								     tmp = 0;
-				     tmp < (unsigned long)(e820.map[i].size);
-							    tmp += PAGE_SIZE,
-							   addr += PAGE_SIZE) {
+
+		/* honour page alignment */
+		addr = e820.map[i].addr;
+		size = e820.map[i].size;
+		size -= PAGE_ALIGN(addr) - addr;
+		addr = PAGE_ALIGN(addr);
+		size += addr + 1;
+		size &= PAGE_MASK;
+		size -= addr - 1;
+
+		printk("memory region: %luk @ %08lx\n", size / 1024, addr);
+		for (tmp = PAGE_SIZE-1; tmp <= size;
+		     tmp += PAGE_SIZE, addr += PAGE_SIZE) {
 
 			/* this little bit of grossness is for dealing
 			 * with memory borrowing for system bookkeeping