x86: convert CPA users to the new set_page_ API

This patch converts various users of change_page_attr() to the new,
more intent driven set_page_*/set_memory_* API set.

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c
index 03eac1e..c03a714 100644
--- a/drivers/char/agp/intel-agp.c
+++ b/drivers/char/agp/intel-agp.c
@@ -210,8 +210,8 @@
 	if (page == NULL)
 		return NULL;
 
-	if (change_page_attr(page, 4, PAGE_KERNEL_NOCACHE) < 0) {
-		change_page_attr(page, 4, PAGE_KERNEL);
+	if (set_pages_uc(page, 4) < 0) {
+		set_pages_wb(page, 4);
 		global_flush_tlb();
 		__free_pages(page, 2);
 		return NULL;
@@ -230,7 +230,7 @@
 		return;
 
 	page = virt_to_page(addr);
-	change_page_attr(page, 4, PAGE_KERNEL);
+	set_pages_wb(page, 4);
 	global_flush_tlb();
 	put_page(page);
 	__free_pages(page, 2);