Messages in this thread |  | | Date | Tue, 2 Apr 2013 07:31:35 +0200 | | Subject | Re: [PATCH v2, part1 16/29] mm/openrisc: use common help functions to free reserved pages | | From | Jonas Bonn <> |
| |
On 10 March 2013 07:26, Jiang Liu <liuj97@gmail.com> wrote: > 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>
Tested and works fine on OpenRISC.
Acked-by: Jonas Bonn <jonas@southpole.se>
/Jonas
> --- > arch/openrisc/mm/init.c | 27 +++------------------------ > 1 file changed, 3 insertions(+), 24 deletions(-) > > diff --git a/arch/openrisc/mm/init.c b/arch/openrisc/mm/init.c > index e7fdc50..b3cbc67 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); > } > -- > 1.7.9.5 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/
|  |