1 files changed, 7 insertions, 64 deletions

diff --git a/arch/openrisc/mm/init.c b/arch/openrisc/mm/init.c
index e7fdc50c4bf..7f94652311d 100644
--- a/arch/openrisc/mm/init.c
+++ b/arch/openrisc/mm/init.c
@@ -43,6 +43,7 @@
 #include <asm/kmap_types.h>
 #include <asm/fixmap.h>
 #include <asm/tlbflush.h>
+#include <asm/sections.h>
 
 int mem_init_done;
 
@@ -201,59 +202,20 @@ void __init paging_init(void)
 
 /* References to section boundaries */
 
-extern char _stext, _etext, _edata, __bss_start, _end;
-extern char __init_begin, __init_end;
-
-static int __init free_pages_init(void)
-{
-	int reservedpages, pfn;
-
-	/* 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 (PageReserved(mem_map + pfn))
-			reservedpages++;
-	}
-
-	return reservedpages;
-}
-
-static void __init set_max_mapnr_init(void)
-{
-	max_mapnr = num_physpages = max_low_pfn;
-}
-
 void __init mem_init(void)
 {
-	int codesize, reservedpages, datasize, initsize;
-
 	BUG_ON(!mem_map);
 
-	set_max_mapnr_init();
-
+	max_mapnr = max_low_pfn;
 	high_memory = (void *)__va(max_low_pfn * PAGE_SIZE);
 
 	/* clear the zero-page */
 	memset((void *)empty_zero_page, 0, PAGE_SIZE);
 
-	reservedpages = free_pages_init();
-
-	codesize = (unsigned long)&_etext - (unsigned long)&_stext;
-	datasize = (unsigned long)&_edata - (unsigned long)&_etext;
-	initsize = (unsigned long)&__init_end - (unsigned long)&__init_begin;
+	/* this will put all low memory onto the freelists */
+	free_all_bootmem();
 
-	printk(KERN_INFO
-	       "Memory: %luk/%luk available (%dk kernel code, %dk reserved, %dk data, %dk init, %ldk highmem)\n",
-	       (unsigned long)nr_free_pages() << (PAGE_SHIFT - 10),
-	       max_mapnr << (PAGE_SHIFT - 10), codesize >> 10,
-	       reservedpages << (PAGE_SHIFT - 10), datasize >> 10,
-	       initsize >> 10, (unsigned long)(0 << (PAGE_SHIFT - 10))
-	    );
+	mem_init_print_info(NULL);
 
 	printk("mem_init_done ...........................................\n");
 	mem_init_done = 1;
@@ -263,30 +225,11 @@ void __init mem_init(void)
 #ifdef CONFIG_BLK_DEV_INITRD
 void free_initrd_mem(unsigned long start, unsigned long end)
 {
-	printk(KERN_INFO "Freeing initrd memory: %ldk freed\n",
-	       (end - start) >> 10);
-
-	for (; start < end; start += PAGE_SIZE) {
-		ClearPageReserved(virt_to_page(start));
-		init_page_count(virt_to_page(start));
-		free_page(start);
-		totalram_pages++;
-	}
+	free_reserved_area((void *)start, (void *)end, -1, "initrd");
 }
 #endif
 
 void free_initmem(void)
 {
-	unsigned long addr;
-
-	addr = (unsigned long)(&__init_begin);
-	for (; addr < (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_INFO "Freeing unused kernel memory: %luk freed\n",
-	       ((unsigned long)&__init_end -
-		(unsigned long)&__init_begin) >> 10);
+	free_initmem_default(-1);
 }