Hi Andrew,
On 03/19/2013 02:52 AM, Yinghai Lu wrote:
> On Mon, Mar 18, 2013 at 3:21 AM, Lin Feng <linfeng@xxxxxxxxxxxxxx> wrote:
>> Since add_range_with_merge() return the max none zero element of the array, it's
>> suffice to use it to instruct clean_sort_range() to do the sort. Or the former
>> assignment by add_range_with_merge() is nonsense because clean_sort_range()
>> will produce a accurate number of the sorted array and it never depends on
>> nr_pfn_mapped.
>>
>> Cc: Jacob Shin <jacob.shin@xxxxxxx>
>> Cc: Yinghai Lu <yinghai@xxxxxxxxxx>
>> Signed-off-by: Lin Feng <linfeng@xxxxxxxxxxxxxx>
>> ---
>> arch/x86/mm/init.c | 2 +-
>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c
>> index 59b7fc4..55ae904 100644
>> --- a/arch/x86/mm/init.c
>> +++ b/arch/x86/mm/init.c
>> @@ -310,7 +310,7 @@ static void add_pfn_range_mapped(unsigned long start_pfn, unsigned long end_pfn)
>> {
>> nr_pfn_mapped = add_range_with_merge(pfn_mapped, E820_X_MAX,
>> nr_pfn_mapped, start_pfn, end_pfn);
>> - nr_pfn_mapped = clean_sort_range(pfn_mapped, E820_X_MAX);
>> + nr_pfn_mapped = clean_sort_range(pfn_mapped, nr_pfn_mapped);
>>
>> max_pfn_mapped = max(max_pfn_mapped, end_pfn);>
>
> Acked-by: Yinghai Lu <yinghai@xxxxxxxxxx>
Do we need to pick up this patch?
thanks,
linfeng
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