Blackfin arch: combine the common code of free_initrd_mem and free_initmem

Signed-off-by: NMike Frysinger <michael.frysinger@analog.com>
Signed-off-by: NBryan Wu <bryan.wu@analog.com>

arch/blackfin/mm/init.c

@@ -168,42 +168,31 @@ void __init mem_init(void)
 	}
 }
 
-#ifdef CONFIG_BLK_DEV_INITRD
-void __init free_initrd_mem(unsigned long start, unsigned long end)
+static __init void free_init_pages(const char *what, unsigned long begin, unsigned long end)
 {
-	int pages = 0;
-	for (; start < end; start += PAGE_SIZE) {
-		ClearPageReserved(virt_to_page(start));
-		init_page_count(virt_to_page(start));
-		free_page(start);
+	unsigned long addr;
+	/* next to check that the page we free is not a partial page */
+	for (addr = begin; addr + PAGE_SIZE <= end; addr += PAGE_SIZE) {
+		ClearPageReserved(virt_to_page(addr));
+		init_page_count(virt_to_page(addr));
+		free_page(addr);
 		totalram_pages++;
-		pages++;
 	}
-	printk(KERN_NOTICE "Freeing initrd memory: %dk freed\n", pages);
+	printk(KERN_INFO "Freeing %s: %ldk freed\n", what, (end - begin) >> 10);
+}
+
+#ifdef CONFIG_BLK_DEV_INITRD
+void __init free_initrd_mem(unsigned long start, unsigned long end)
+{
+	free_init_pages("initrd memory", start, end);
 }
 #endif
 
 void __init free_initmem(void)
 {
 #ifdef CONFIG_RAMKERNEL
-	unsigned long addr;
-	/*
-	 *	the following code should be cool even if these sections
-	 *	are not page aligned.
-	 */
-	addr = PAGE_ALIGN((unsigned long)(__init_begin));
-	/* next to check that the page we free is not a partial page */
-	for (; addr + PAGE_SIZE < (unsigned long)(__init_end);
-	     addr += PAGE_SIZE) {
-		ClearPageReserved(virt_to_page(addr));
-		init_page_count(virt_to_page(addr));
-		free_page(addr);
-		totalram_pages++;
-	}
-	printk(KERN_NOTICE
-	       "Freeing unused kernel memory: %ldk freed (0x%x - 0x%x)\n",
-	       (addr - PAGE_ALIGN((long)__init_begin)) >> 10,
-	       (int)(PAGE_ALIGN((unsigned long)(__init_begin))),
-	       (int)(addr - PAGE_SIZE));
+	free_init_pages("unused kernel memory",
+			(unsigned long)(&__init_begin),
+			(unsigned long)(&__init_end));
 #endif
 }