On 01/07/2016 at 10:36 AM, Minfei Huang wrote:
> On 01/07/16 at 10:14am, Xunlei Pang wrote:
+static int
+kexec_mark_range(unsigned long start, unsigned long end, bool protect)
+{
+ struct page *page;
+ unsigned int nr_pages;
+
+ /* For physical range: [start, e
On 01/07/16 at 10:14am, Xunlei Pang wrote:
> >> +static int
> >> +kexec_mark_range(unsigned long start, unsigned long end, bool protect)
> >> +{
> >> + struct page *page;
> >> + unsigned int nr_pages;
> >> +
> >> + /* For physical range: [start, end] */
> >> + if (!start || !end || start > end)
On 01/07/2016 at 10:14 AM, Xunlei Pang wrote:
> On 01/07/2016 at 01:08 AM, Minfei Huang wrote:
>> On 01/06/16 at 05:50pm, Xunlei Pang wrote:
>>> diff --git a/arch/x86/kernel/machine_kexec_64.c
>>> b/arch/x86/kernel/machine_kexec_64.c
>>> index 819ab3f..cda867d 100644
>>> --- a/arch/x86/kernel/mach
On 01/07/2016 at 01:08 AM, Minfei Huang wrote:
> On 01/06/16 at 05:50pm, Xunlei Pang wrote:
>> diff --git a/arch/x86/kernel/machine_kexec_64.c
>> b/arch/x86/kernel/machine_kexec_64.c
>> index 819ab3f..cda867d 100644
>> --- a/arch/x86/kernel/machine_kexec_64.c
>> +++ b/arch/x86/kernel/machine_kexec
On 01/06/16 at 05:50pm, Xunlei Pang wrote:
> diff --git a/arch/x86/kernel/machine_kexec_64.c
> b/arch/x86/kernel/machine_kexec_64.c
> index 819ab3f..cda867d 100644
> --- a/arch/x86/kernel/machine_kexec_64.c
> +++ b/arch/x86/kernel/machine_kexec_64.c
> @@ -536,3 +536,44 @@ overflow:
> return
Implement the protection method for the crash kernel memory
reservation for the 64-bit x86 kdump.
Signed-off-by: Xunlei Pang
---
arch/x86/kernel/machine_kexec_64.c | 41 ++
1 file changed, 41 insertions(+)
diff --git a/arch/x86/kernel/machine_kexec_64.c
b/ar
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