1 files changed, 19 insertions, 23 deletions

diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c
index 2de4d3c367a..9e29ba9205f 100644
--- a/arch/mips/mm/init.c
+++ b/arch/mips/mm/init.c
@@ -90,9 +90,9 @@ unsigned long setup_zero_pages(void)
 	if (!empty_zero_page)
 		panic("Oh boy, that early out of memory?");
 
-	page = virt_to_page(empty_zero_page);
+	page = virt_to_page((void *)empty_zero_page);
 	split_page(page, order);
-	while (page < virt_to_page(empty_zero_page + (PAGE_SIZE << order))) {
+	while (page < virt_to_page((void *)(empty_zero_page + (PAGE_SIZE << order)))) {
 		SetPageReserved(page);
 		page++;
 	}
@@ -443,15 +443,18 @@ void __init mem_init(void)
 }
 #endif /* !CONFIG_NEED_MULTIPLE_NODES */
 
-void free_init_pages(char *what, unsigned long begin, unsigned long end)
+static void free_init_pages(char *what, unsigned long begin, unsigned long end)
 {
-	unsigned long addr;
+	unsigned long pfn;
 
-	for (addr = begin; addr < end; addr += PAGE_SIZE) {
-		ClearPageReserved(virt_to_page(addr));
-		init_page_count(virt_to_page(addr));
-		memset((void *)addr, 0xcc, PAGE_SIZE);
-		free_page(addr);
+	for (pfn = PFN_UP(begin); pfn < PFN_DOWN(end); pfn++) {
+		struct page *page = pfn_to_page(pfn);
+		void *addr = phys_to_virt(PFN_PHYS(pfn));
+
+		ClearPageReserved(page);
+		init_page_count(page);
+		memset(addr, POISON_FREE_INITMEM, PAGE_SIZE);
+		__free_page(page);
 		totalram_pages++;
 	}
 	printk(KERN_INFO "Freeing %s: %ldk freed\n", what, (end - begin) >> 10);
@@ -460,12 +463,9 @@ void free_init_pages(char *what, unsigned long begin, unsigned long end)
 #ifdef CONFIG_BLK_DEV_INITRD
 void free_initrd_mem(unsigned long start, unsigned long end)
 {
-#ifdef CONFIG_64BIT
-	/* Switch from KSEG0 to XKPHYS addresses */
-	start = (unsigned long)phys_to_virt(CPHYSADDR(start));
-	end = (unsigned long)phys_to_virt(CPHYSADDR(end));
-#endif
-	free_init_pages("initrd memory", start, end);
+	free_init_pages("initrd memory",
+			virt_to_phys((void *)start),
+			virt_to_phys((void *)end));
 }
 #endif
 
@@ -473,17 +473,13 @@ extern unsigned long prom_free_prom_memory(void);
 
 void free_initmem(void)
 {
-	unsigned long start, end, freed;
+	unsigned long freed;
 
 	freed = prom_free_prom_memory();
 	if (freed)
 		printk(KERN_INFO "Freeing firmware memory: %ldk freed\n",freed);
 
-	start = (unsigned long)(&__init_begin);
-	end = (unsigned long)(&__init_end);
-#ifdef CONFIG_64BIT
-	start = PAGE_OFFSET | CPHYSADDR(start);
-	end = PAGE_OFFSET | CPHYSADDR(end);
-#endif
-	free_init_pages("unused kernel memory", start, end);
+	free_init_pages("unused kernel memory",
+			__pa_symbol(&__init_begin),
+			__pa_symbol(&__init_end));
 }