On 04/26/2017 at 03:49 AM, Yinghai Lu wrote:
> On Tue, Apr 25, 2017 at 2:13 AM, Xunlei Pang wrote:
>> The current kernel_ident_mapping_init() creates the identity
>> mapping using 2MB page(PMD level), this patch adds the 1GB
>> page(PUD level) support.
>>
>> This is useful on
On 04/26/2017 at 03:49 AM, Yinghai Lu wrote:
> On Tue, Apr 25, 2017 at 2:13 AM, Xunlei Pang wrote:
>> The current kernel_ident_mapping_init() creates the identity
>> mapping using 2MB page(PMD level), this patch adds the 1GB
>> page(PUD level) support.
>>
>> This is useful on large machines to
On Tue, Apr 25, 2017 at 2:13 AM, Xunlei Pang wrote:
> The current kernel_ident_mapping_init() creates the identity
> mapping using 2MB page(PMD level), this patch adds the 1GB
> page(PUD level) support.
>
> This is useful on large machines to save some reserved memory
> (as
On Tue, Apr 25, 2017 at 2:13 AM, Xunlei Pang wrote:
> The current kernel_ident_mapping_init() creates the identity
> mapping using 2MB page(PMD level), this patch adds the 1GB
> page(PUD level) support.
>
> This is useful on large machines to save some reserved memory
> (as paging structures) in
The current kernel_ident_mapping_init() creates the identity
mapping using 2MB page(PMD level), this patch adds the 1GB
page(PUD level) support.
This is useful on large machines to save some reserved memory
(as paging structures) in the kdump case when kexec setups up
identity mappings before
The current kernel_ident_mapping_init() creates the identity
mapping using 2MB page(PMD level), this patch adds the 1GB
page(PUD level) support.
This is useful on large machines to save some reserved memory
(as paging structures) in the kdump case when kexec setups up
identity mappings before
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