On 7/2/18 11:17 PM, Michal Hocko wrote:
On Mon 02-07-18 11:10:23, Yang Shi wrote:
On 7/2/18 10:57 AM, Michal Hocko wrote:
[...]
Why would you even care about shared mappings?
Just thought about we are dealing with VM_DEAD, which means the vma will be
tore down soon regardless it is shared
On 7/2/18 11:17 PM, Michal Hocko wrote:
On Mon 02-07-18 11:10:23, Yang Shi wrote:
On 7/2/18 10:57 AM, Michal Hocko wrote:
[...]
Why would you even care about shared mappings?
Just thought about we are dealing with VM_DEAD, which means the vma will be
tore down soon regardless it is shared
On Mon 02-07-18 11:10:23, Yang Shi wrote:
> On 7/2/18 10:57 AM, Michal Hocko wrote:
[...]
> > Why would you even care about shared mappings?
>
> Just thought about we are dealing with VM_DEAD, which means the vma will be
> tore down soon regardless it is shared or non-shared.
>
> MMF_UNSTABLE
On Mon 02-07-18 11:10:23, Yang Shi wrote:
> On 7/2/18 10:57 AM, Michal Hocko wrote:
[...]
> > Why would you even care about shared mappings?
>
> Just thought about we are dealing with VM_DEAD, which means the vma will be
> tore down soon regardless it is shared or non-shared.
>
> MMF_UNSTABLE
On 7/2/18 10:57 AM, Michal Hocko wrote:
On Mon 02-07-18 10:24:27, Yang Shi wrote:
On 7/2/18 6:37 AM, Michal Hocko wrote:
On Mon 02-07-18 15:33:11, Laurent Dufour wrote:
On 02/07/2018 14:45, Michal Hocko wrote:
On Mon 02-07-18 14:26:09, Laurent Dufour wrote:
On 02/07/2018 14:15, Michal
On 7/2/18 10:57 AM, Michal Hocko wrote:
On Mon 02-07-18 10:24:27, Yang Shi wrote:
On 7/2/18 6:37 AM, Michal Hocko wrote:
On Mon 02-07-18 15:33:11, Laurent Dufour wrote:
On 02/07/2018 14:45, Michal Hocko wrote:
On Mon 02-07-18 14:26:09, Laurent Dufour wrote:
On 02/07/2018 14:15, Michal
On Mon 02-07-18 10:24:27, Yang Shi wrote:
>
>
> On 7/2/18 6:37 AM, Michal Hocko wrote:
> > On Mon 02-07-18 15:33:11, Laurent Dufour wrote:
> > >
> > > On 02/07/2018 14:45, Michal Hocko wrote:
> > > > On Mon 02-07-18 14:26:09, Laurent Dufour wrote:
> > > > > On 02/07/2018 14:15, Michal Hocko
On Mon 02-07-18 10:24:27, Yang Shi wrote:
>
>
> On 7/2/18 6:37 AM, Michal Hocko wrote:
> > On Mon 02-07-18 15:33:11, Laurent Dufour wrote:
> > >
> > > On 02/07/2018 14:45, Michal Hocko wrote:
> > > > On Mon 02-07-18 14:26:09, Laurent Dufour wrote:
> > > > > On 02/07/2018 14:15, Michal Hocko
On 7/2/18 6:37 AM, Michal Hocko wrote:
On Mon 02-07-18 15:33:11, Laurent Dufour wrote:
On 02/07/2018 14:45, Michal Hocko wrote:
On Mon 02-07-18 14:26:09, Laurent Dufour wrote:
On 02/07/2018 14:15, Michal Hocko wrote:
[...]
We already do have a model for that. Have a look at
On 7/2/18 6:37 AM, Michal Hocko wrote:
On Mon 02-07-18 15:33:11, Laurent Dufour wrote:
On 02/07/2018 14:45, Michal Hocko wrote:
On Mon 02-07-18 14:26:09, Laurent Dufour wrote:
On 02/07/2018 14:15, Michal Hocko wrote:
[...]
We already do have a model for that. Have a look at
On Mon 02-07-18 15:33:11, Laurent Dufour wrote:
>
>
> On 02/07/2018 14:45, Michal Hocko wrote:
> > On Mon 02-07-18 14:26:09, Laurent Dufour wrote:
> >> On 02/07/2018 14:15, Michal Hocko wrote:
[...]
> >>> We already do have a model for that. Have a look at MMF_UNSTABLE.
> >>
> >> MMF_UNSTABLE is
On Mon 02-07-18 15:33:11, Laurent Dufour wrote:
>
>
> On 02/07/2018 14:45, Michal Hocko wrote:
> > On Mon 02-07-18 14:26:09, Laurent Dufour wrote:
> >> On 02/07/2018 14:15, Michal Hocko wrote:
[...]
> >>> We already do have a model for that. Have a look at MMF_UNSTABLE.
> >>
> >> MMF_UNSTABLE is
On 02/07/2018 14:45, Michal Hocko wrote:
> On Mon 02-07-18 14:26:09, Laurent Dufour wrote:
>> On 02/07/2018 14:15, Michal Hocko wrote:
>>> On Mon 02-07-18 10:45:03, Laurent Dufour wrote:
On 30/06/2018 00:39, Yang Shi wrote:
> Check VM_DEAD flag of vma in page fault handler, if it is
On 02/07/2018 14:45, Michal Hocko wrote:
> On Mon 02-07-18 14:26:09, Laurent Dufour wrote:
>> On 02/07/2018 14:15, Michal Hocko wrote:
>>> On Mon 02-07-18 10:45:03, Laurent Dufour wrote:
On 30/06/2018 00:39, Yang Shi wrote:
> Check VM_DEAD flag of vma in page fault handler, if it is
On Mon 02-07-18 14:26:09, Laurent Dufour wrote:
> On 02/07/2018 14:15, Michal Hocko wrote:
> > On Mon 02-07-18 10:45:03, Laurent Dufour wrote:
> >> On 30/06/2018 00:39, Yang Shi wrote:
> >>> Check VM_DEAD flag of vma in page fault handler, if it is set, trigger
> >>> SIGSEGV.
> >>>
> >>> Cc:
On Mon 02-07-18 14:26:09, Laurent Dufour wrote:
> On 02/07/2018 14:15, Michal Hocko wrote:
> > On Mon 02-07-18 10:45:03, Laurent Dufour wrote:
> >> On 30/06/2018 00:39, Yang Shi wrote:
> >>> Check VM_DEAD flag of vma in page fault handler, if it is set, trigger
> >>> SIGSEGV.
> >>>
> >>> Cc:
On 02/07/2018 14:15, Michal Hocko wrote:
> On Mon 02-07-18 10:45:03, Laurent Dufour wrote:
>> On 30/06/2018 00:39, Yang Shi wrote:
>>> Check VM_DEAD flag of vma in page fault handler, if it is set, trigger
>>> SIGSEGV.
>>>
>>> Cc: Michal Hocko
>>> Cc: Thomas Gleixner
>>> Cc: Ingo Molnar
>>> Cc:
On 02/07/2018 14:15, Michal Hocko wrote:
> On Mon 02-07-18 10:45:03, Laurent Dufour wrote:
>> On 30/06/2018 00:39, Yang Shi wrote:
>>> Check VM_DEAD flag of vma in page fault handler, if it is set, trigger
>>> SIGSEGV.
>>>
>>> Cc: Michal Hocko
>>> Cc: Thomas Gleixner
>>> Cc: Ingo Molnar
>>> Cc:
On Mon 02-07-18 10:45:03, Laurent Dufour wrote:
> On 30/06/2018 00:39, Yang Shi wrote:
> > Check VM_DEAD flag of vma in page fault handler, if it is set, trigger
> > SIGSEGV.
> >
> > Cc: Michal Hocko
> > Cc: Thomas Gleixner
> > Cc: Ingo Molnar
> > Cc: "H. Peter Anvin"
> > Signed-off-by: Yang
On Mon 02-07-18 10:45:03, Laurent Dufour wrote:
> On 30/06/2018 00:39, Yang Shi wrote:
> > Check VM_DEAD flag of vma in page fault handler, if it is set, trigger
> > SIGSEGV.
> >
> > Cc: Michal Hocko
> > Cc: Thomas Gleixner
> > Cc: Ingo Molnar
> > Cc: "H. Peter Anvin"
> > Signed-off-by: Yang
On 30/06/2018 00:39, Yang Shi wrote:
> Check VM_DEAD flag of vma in page fault handler, if it is set, trigger
> SIGSEGV.
>
> Cc: Michal Hocko
> Cc: Thomas Gleixner
> Cc: Ingo Molnar
> Cc: "H. Peter Anvin"
> Signed-off-by: Yang Shi
> ---
> arch/x86/mm/fault.c | 4
> 1 file changed, 4
On 30/06/2018 00:39, Yang Shi wrote:
> Check VM_DEAD flag of vma in page fault handler, if it is set, trigger
> SIGSEGV.
>
> Cc: Michal Hocko
> Cc: Thomas Gleixner
> Cc: Ingo Molnar
> Cc: "H. Peter Anvin"
> Signed-off-by: Yang Shi
> ---
> arch/x86/mm/fault.c | 4
> 1 file changed, 4
Check VM_DEAD flag of vma in page fault handler, if it is set, trigger
SIGSEGV.
Cc: Michal Hocko
Cc: Thomas Gleixner
Cc: Ingo Molnar
Cc: "H. Peter Anvin"
Signed-off-by: Yang Shi
---
arch/x86/mm/fault.c | 4
1 file changed, 4 insertions(+)
diff --git a/arch/x86/mm/fault.c
Check VM_DEAD flag of vma in page fault handler, if it is set, trigger
SIGSEGV.
Cc: Michal Hocko
Cc: Thomas Gleixner
Cc: Ingo Molnar
Cc: "H. Peter Anvin"
Signed-off-by: Yang Shi
---
arch/x86/mm/fault.c | 4
1 file changed, 4 insertions(+)
diff --git a/arch/x86/mm/fault.c
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