Hi Jonas,
Thanks for testing.
Regards!
Gerry
On 04/02/2013 01:31 PM, Jonas Bonn wrote:
> On 03/26/2013 04:54 PM, Jiang Liu wrote:
>> Prepare for removing num_physpages and simplify mem_init().
>>
>> Signed-off-by: Jiang Liu <jiang.liu@xxxxxxxxxx>
>> Cc: Jonas Bonn <jonas@xxxxxxxxxxxx>
>> Cc: David Howells <dhowells@xxxxxxxxxx>
>> Cc: Arnd Bergmann <arnd@xxxxxxxx>
>> Cc: linux@xxxxxxxxxxxxxxxxxx
>> Cc: linux-kernel@xxxxxxxxxxxxxxx
>
> Tested and works fine on OpenRISC.
>
> Acked-by: Jonas Bonn <jonas@xxxxxxxxxxxx>
>
> /Jonas
>
>> ---
>> Hi all,
>> Sorry for my mistake that my previous patch series has been screwed up.
>> So I regenerate a third version and also set up a git tree at:
>> git://github.com/jiangliu/linux.git mem_init
>> Any help to review and test are welcomed!
>>
>> Regards!
>> Gerry
>> ---
>> arch/openrisc/mm/init.c | 44 ++++----------------------------------------
>> 1 file changed, 4 insertions(+), 40 deletions(-)
>>
>> diff --git a/arch/openrisc/mm/init.c b/arch/openrisc/mm/init.c
>> index 71d6b40..f3c8f47 100644
>> --- a/arch/openrisc/mm/init.c
>> +++ b/arch/openrisc/mm/init.c
>> @@ -191,56 +191,20 @@ void __init paging_init(void)
>> /* References to section boundaries */
>> -static int __init free_pages_init(void)
>> -{
>> - int reservedpages, pfn;
>> -
>> - /* this will put all low memory onto the freelists */
>> - 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;
>
>
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