On Thu 27-07-17 21:27:37, Aneesh Kumar K.V wrote:
>
>
> On 07/27/2017 06:27 PM, Michal Hocko wrote:
> >On Thu 27-07-17 14:07:56, Aneesh Kumar K.V wrote:
> >>Instead of marking the pmd ready for split, invalidate the pmd. This should
> >>take care of powerpc requirement.
> >
> >which is?
>
> I
On 07/27/2017 06:27 PM, Michal Hocko wrote:
On Thu 27-07-17 14:07:56, Aneesh Kumar K.V wrote:
Instead of marking the pmd ready for split, invalidate the pmd. This should
take care of powerpc requirement.
which is?
I can add the commit which explain details here. Or add more details
from
On Thu 27-07-17 14:07:56, Aneesh Kumar K.V wrote:
> Instead of marking the pmd ready for split, invalidate the pmd. This should
> take care of powerpc requirement.
which is?
> Only side effect is that we mark the pmd
> invalid early. This can result in us blocking access to the page a bit longer
On 07/27/2017 02:07 PM, Aneesh Kumar K.V wrote:
diff --git a/arch/powerpc/include/asm/book3s/64/hash-64k.h
b/arch/powerpc/include/asm/book3s/64/hash-64k.h
index 8c8fb6fbdabe..b856e130c678 100644
--- a/arch/powerpc/include/asm/book3s/64/hash-64k.h
+++
Instead of marking the pmd ready for split, invalidate the pmd. This should
take care of powerpc requirement. Only side effect is that we mark the pmd
invalid early. This can result in us blocking access to the page a bit longer
if we race against a thp split.
Signed-off-by: Aneesh Kumar K.V
