On Mon, Mar 11, 2019 at 01:15:55PM +0530, Anshuman Khandual wrote:
> Hello Yu,
>
> We had some disagreements over this series last time around after which I had
> posted the following series [1] which tried to enable
> ARCH_ENABLE_SPLIT_PMD_PTLOCK
> after doing some pgtable accounting changes. Af
Hello Yu,
We had some disagreements over this series last time around after which I had
posted the following series [1] which tried to enable
ARCH_ENABLE_SPLIT_PMD_PTLOCK
after doing some pgtable accounting changes. After some thoughts and
deliberations
I figure that its better not to do pgtable
For pte page, use pgtable_page_ctor(); for pmd page, use
pgtable_pmd_page_ctor(); and for the rest (pud, p4d and pgd),
don't use any.
For now, we don't select ARCH_ENABLE_SPLIT_PMD_PTLOCK and
pgtable_pmd_page_ctor() is a nop. When we do in patch 3, we
make sure pmd is not folded so we won't mistak
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