"Kirill A. Shutemov" writes:
> On Mon, May 11, 2015 at 11:56:01AM +0530, Aneesh Kumar K.V wrote:
>> Serialize against find_linux_pte_or_hugepte which does lock-less
>> lookup in page tables with local interrupts disabled. For huge pages
>> it casts pmd_t to pte_t. Since format of pte_t is differe
On Mon, May 11, 2015 at 11:56:01AM +0530, Aneesh Kumar K.V wrote:
> Serialize against find_linux_pte_or_hugepte which does lock-less
> lookup in page tables with local interrupts disabled. For huge pages
> it casts pmd_t to pte_t. Since format of pte_t is different from
> pmd_t we want to prevent t
Serialize against find_linux_pte_or_hugepte which does lock-less
lookup in page tables with local interrupts disabled. For huge pages
it casts pmd_t to pte_t. Since format of pte_t is different from
pmd_t we want to prevent transit from pmd pointing to page table
to pmd pointing to huge page (and b