diff options
| author | Jiang Liu <liuj97@gmail.com> | 2013-04-29 15:06:45 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-04-29 15:54:30 -0700 |
| commit | 7932f61ba888a9daa3a82eaf8939902ac82029d3 (patch) | |
| tree | bbe562cabe5ecf07c42aa4a6407ac5e567fe9f97 /arch/openrisc/mm | |
| parent | 32ce012064b3cc89d2081d34a745af598e5e56c5 (diff) | |
mm/openrisc: use common help functions to free reserved pages
Use common help functions to free reserved pages.
Also include <asm/sections.h> to avoid local declarations.
Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Cc: Jonas Bonn <jonas@southpole.se>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/openrisc/mm')
| -rw-r--r-- | arch/openrisc/mm/init.c | 27 |
1 files changed, 3 insertions, 24 deletions
diff --git a/arch/openrisc/mm/init.c b/arch/openrisc/mm/init.c index e7fdc50c4bf0..b3cbc6703837 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; @@ -201,9 +202,6 @@ 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; @@ -263,30 +261,11 @@ 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(start, end, 0, "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(0); } |