diff options
| -rw-r--r-- | arch/blackfin/mm/init.c | 45 |
1 files changed, 17 insertions, 28 deletions
diff --git a/arch/blackfin/mm/init.c b/arch/blackfin/mm/init.c index 2d12449be596..68459cc052a1 100644 --- a/arch/blackfin/mm/init.c +++ b/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 } |
