diff -urN 2.4.19pre6aa1/arch/i386/mm/init.c ibm/arch/i386/mm/init.c
--- 2.4.19pre6aa1/arch/i386/mm/init.c	Fri Apr  5 19:41:14 2002
+++ ibm/arch/i386/mm/init.c	Fri Apr  5 19:50:40 2002
@@ -457,18 +457,57 @@
 	return 0;
 }
 	
-void __init mem_init(void)
+void __init init_one_highpage(struct page *page, int pfn, int bad_ppro)
+{
+	if (!page_is_ram(pfn)) {
+		SetPageReserved(page);
+		return;
+	}
+	
+	if (bad_ppro && page_kills_ppro(pfn))
+	{
+		SetPageReserved(page);
+		return;
+	}
+	ClearPageReserved(page);
+	set_bit(PG_highmem, &page->flags);
+	atomic_set(&page->count, 1);
+	__free_page(page);
+	totalhigh_pages++;
+}
+
+static int __init mem_init_free_pages(void)
 {
 	extern int ppro_with_ram_bug(void);
+	int bad_ppro, reservedpages, pfn;
+
+	bad_ppro = ppro_with_ram_bug();
+
+	/* this will put all low memory onto the freelists */
+	totalram_pages += free_all_bootmem();
+
+	reservedpages = 0;
+	for (pfn = 0; pfn < max_low_pfn; pfn++)
+		/*
+		 * Only count reserved RAM pages
+		 */
+		if (page_is_ram(pfn) && PageReserved(mem_map+pfn))
+			reservedpages++;
+#ifdef CONFIG_HIGHMEM
+	for (pfn = highend_pfn-1; pfn >= highstart_pfn; pfn--)
+		init_one_highpage((struct page *) (mem_map + pfn), pfn, bad_ppro);
+	totalram_pages += totalhigh_pages;
+#endif
+	return reservedpages;
+}
+
+void __init mem_init(void)
+{
 	int codesize, reservedpages, datasize, initsize;
-	int tmp;
-	int bad_ppro;
 
 	if (!mem_map)
 		BUG();
 	
-	bad_ppro = ppro_with_ram_bug();
-
 #ifdef CONFIG_HIGHMEM
 	highmem_start_page = mem_map + highstart_pfn;
 	max_mapnr = num_physpages = highend_pfn;
@@ -481,37 +520,8 @@
 	/* clear the zero-page */
 	memset(empty_zero_page, 0, PAGE_SIZE);
 
-	/* this will put all low memory onto the freelists */
-	totalram_pages += free_all_bootmem();
-
-	reservedpages = 0;
-	for (tmp = 0; tmp < max_low_pfn; tmp++)
-		/*
-		 * Only count reserved RAM pages
-		 */
-		if (page_is_ram(tmp) && PageReserved(mem_map+tmp))
-			reservedpages++;
-#ifdef CONFIG_HIGHMEM
-	for (tmp = highend_pfn-1; tmp >= highstart_pfn; tmp--) {
-		struct page *page = mem_map + tmp;
+	reservedpages = mem_init_free_pages();
 
-		if (!page_is_ram(tmp)) {
-			SetPageReserved(page);
-			continue;
-		}
-		if (bad_ppro && page_kills_ppro(tmp))
-		{
-			SetPageReserved(page);
-			continue;
-		}
-		ClearPageReserved(page);
-		set_bit(PG_highmem, &page->flags);
-		atomic_set(&page->count, 1);
-		__free_page(page);
-		totalhigh_pages++;
-	}
-	totalram_pages += totalhigh_pages;
-#endif
 	codesize =  (unsigned long) &_etext - (unsigned long) &_text;
 	datasize =  (unsigned long) &_edata - (unsigned long) &_etext;
 	initsize =  (unsigned long) &__init_end - (unsigned long) &__init_begin;