On Wed, Nov 22, 2017 at 05:06:27PM +0530, Aneesh Kumar K.V wrote:
> "Kirill A. Shutemov" writes:
>
> > On Wed, Nov 22, 2017 at 11:11:36AM +0530, Aneesh Kumar K.V wrote:
> >> "Kirill A. Shutemov" writes:
> >>
> >> > With 5-level paging, we
On Wed, Nov 22, 2017 at 05:06:27PM +0530, Aneesh Kumar K.V wrote:
> "Kirill A. Shutemov" writes:
>
> > On Wed, Nov 22, 2017 at 11:11:36AM +0530, Aneesh Kumar K.V wrote:
> >> "Kirill A. Shutemov" writes:
> >>
> >> > With 5-level paging, we have 56-bit virtual address space available for
> >> >
"Kirill A. Shutemov" writes:
> On Wed, Nov 22, 2017 at 11:11:36AM +0530, Aneesh Kumar K.V wrote:
>> "Kirill A. Shutemov" writes:
>>
>> > With 5-level paging, we have 56-bit virtual address space available for
>> > userspace. But we don't
"Kirill A. Shutemov" writes:
> On Wed, Nov 22, 2017 at 11:11:36AM +0530, Aneesh Kumar K.V wrote:
>> "Kirill A. Shutemov" writes:
>>
>> > With 5-level paging, we have 56-bit virtual address space available for
>> > userspace. But we don't want to expose userspace to addresses above
>> >
On Wed, Nov 22, 2017 at 11:11:36AM +0530, Aneesh Kumar K.V wrote:
> "Kirill A. Shutemov" writes:
>
> > With 5-level paging, we have 56-bit virtual address space available for
> > userspace. But we don't want to expose userspace to addresses above
> > 47-bits,
On Wed, Nov 22, 2017 at 11:11:36AM +0530, Aneesh Kumar K.V wrote:
> "Kirill A. Shutemov" writes:
>
> > With 5-level paging, we have 56-bit virtual address space available for
> > userspace. But we don't want to expose userspace to addresses above
> > 47-bits, unless it asked specifically for it.
"Kirill A. Shutemov" writes:
> With 5-level paging, we have 56-bit virtual address space available for
> userspace. But we don't want to expose userspace to addresses above
> 47-bits, unless it asked specifically for it.
>
> We use mmap(2) hint address as a way
"Kirill A. Shutemov" writes:
> With 5-level paging, we have 56-bit virtual address space available for
> userspace. But we don't want to expose userspace to addresses above
> 47-bits, unless it asked specifically for it.
>
> We use mmap(2) hint address as a way for kernel to know if it's okay to
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