On Wed, Dec 19, 2012 at 9:22 AM, Borislav Petkov wrote:
> On Mon, Dec 17, 2012 at 11:15:58PM -0800, Yinghai Lu wrote:
>> +static u64 __init get_mem_size(unsigned long limit_pfn)
>> +{
>> + int i;
>> + u64 pages = 0;
>> + unsigned long start_pfn, end_pfn;
>> +
>> + for_each_mem_pfn_
On Mon, Dec 17, 2012 at 11:15:58PM -0800, Yinghai Lu wrote:
> +static u64 __init get_mem_size(unsigned long limit_pfn)
> +{
> + int i;
> + u64 pages = 0;
> + unsigned long start_pfn, end_pfn;
> +
> + for_each_mem_pfn_range(i, MAX_NUMNODES, &start_pfn, &end_pfn, NULL) {
> +
During kdump kernel's booting stage, it need to find low ram for
swiotlb buffer when system does not support intel iommu/dmar remapping.
kexed-tools is appending memmap=exactmap and range from /proc/iomem
with "Crash kernel", and that range is above 4G for 64bit after boot
protocol 2.12.
We need
3 matches
Mail list logo
