1 files changed, 57 insertions, 29 deletions

diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c
index d71be0eb0130..65d55056b6e7 100644
--- a/arch/x86/mm/init_32.c
+++ b/arch/x86/mm/init_32.c
@@ -225,13 +225,6 @@ static void __init kernel_physical_mapping_init(pgd_t *pgd_base)
 	update_page_count(PG_LEVEL_4K, pages_4k);
 }
 
-static inline int page_kills_ppro(unsigned long pagenr)
-{
-	if (pagenr >= 0x70000 && pagenr <= 0x7003F)
-		return 1;
-	return 0;
-}
-
 /*
  * devmem_is_allowed() checks to see if /dev/mem access to a certain address
  * is valid. The argument is a physical page number.
@@ -292,29 +285,60 @@ static void __init permanent_kmaps_init(pgd_t *pgd_base)
 	pkmap_page_table = pte;
 }
 
-void __init add_one_highpage_init(struct page *page, int pfn, int bad_ppro)
+static void __init add_one_highpage_init(struct page *page, int pfn)
 {
-	if (page_is_ram(pfn) && !(bad_ppro && page_kills_ppro(pfn))) {
-		ClearPageReserved(page);
-		init_page_count(page);
-		__free_page(page);
-		totalhigh_pages++;
-	} else
-		SetPageReserved(page);
+	ClearPageReserved(page);
+	init_page_count(page);
+	__free_page(page);
+	totalhigh_pages++;
 }
 
-#ifndef CONFIG_NUMA
-static void __init set_highmem_pages_init(int bad_ppro)
+struct add_highpages_data {
+	unsigned long start_pfn;
+	unsigned long end_pfn;
+};
+
+static void __init add_highpages_work_fn(unsigned long start_pfn,
+					 unsigned long end_pfn, void *datax)
 {
-	int pfn;
+	int node_pfn;
+	struct page *page;
+	unsigned long final_start_pfn, final_end_pfn;
+	struct add_highpages_data *data;
 
-	for (pfn = highstart_pfn; pfn < highend_pfn; pfn++) {
-		/*
-		 * Holes under sparsemem might not have no mem_map[]:
-		 */
-		if (pfn_valid(pfn))
-			add_one_highpage_init(pfn_to_page(pfn), pfn, bad_ppro);
+	data = (struct add_highpages_data *)datax;
+
+	final_start_pfn = max(start_pfn, data->start_pfn);
+	final_end_pfn = min(end_pfn, data->end_pfn);
+	if (final_start_pfn >= final_end_pfn)
+		return;
+
+	for (node_pfn = final_start_pfn; node_pfn < final_end_pfn;
+	     node_pfn++) {
+		if (!pfn_valid(node_pfn))
+			continue;
+		page = pfn_to_page(node_pfn);
+		add_one_highpage_init(page, node_pfn);
 	}
+
+}
+
+void __init add_highpages_with_active_regions(int nid, unsigned long start_pfn,
+					      unsigned long end_pfn)
+{
+	struct add_highpages_data data;
+
+	data.start_pfn = start_pfn;
+	data.end_pfn = end_pfn;
+
+	work_with_active_regions(nid, add_highpages_work_fn, &data);
+}
+
+#ifndef CONFIG_NUMA
+static void __init set_highmem_pages_init(void)
+{
+	add_highpages_with_active_regions(0, highstart_pfn, highend_pfn);
+
 	totalram_pages += totalhigh_pages;
 }
 #endif /* !CONFIG_NUMA */
@@ -322,7 +346,7 @@ static void __init set_highmem_pages_init(int bad_ppro)
 #else
 # define kmap_init()				do { } while (0)
 # define permanent_kmaps_init(pgd_base)		do { } while (0)
-# define set_highmem_pages_init(bad_ppro)	do { } while (0)
+# define set_highmem_pages_init()	do { } while (0)
 #endif /* CONFIG_HIGHMEM */
 
 pteval_t __PAGE_KERNEL = _PAGE_KERNEL;
@@ -569,13 +593,11 @@ static struct kcore_list kcore_mem, kcore_vmalloc;
 void __init mem_init(void)
 {
 	int codesize, reservedpages, datasize, initsize;
-	int tmp, bad_ppro;
+	int tmp;
 
 #ifdef CONFIG_FLATMEM
 	BUG_ON(!mem_map);
 #endif
-	bad_ppro = ppro_with_ram_bug();
-
 	/* this will put all low memory onto the freelists */
 	totalram_pages += free_all_bootmem();
 
@@ -587,7 +609,7 @@ void __init mem_init(void)
 		if (page_is_ram(tmp) && PageReserved(pfn_to_page(tmp)))
 			reservedpages++;
 
-	set_highmem_pages_init(bad_ppro);
+	set_highmem_pages_init();
 
 	codesize =  (unsigned long) &_etext - (unsigned long) &_text;
 	datasize =  (unsigned long) &_edata - (unsigned long) &_etext;
@@ -776,3 +798,9 @@ void free_initrd_mem(unsigned long start, unsigned long end)
 	free_init_pages("initrd memory", start, end);
 }
 #endif
+
+int __init reserve_bootmem_generic(unsigned long phys, unsigned long len,
+				   int flags)
+{
+	return reserve_bootmem(phys, len, flags);
+}