On Tue, 13 Mar 2018, Laurent Dufour wrote:
> diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c
> index 866446cf2d9a..104f3cc86b51 100644
> --- a/arch/powerpc/mm/fault.c
> +++ b/arch/powerpc/mm/fault.c
> @@ -392,6 +392,9 @@ static int __do_page_fault(struct pt_regs *regs, unsigned
> l
This patch enable the speculative page fault on the PowerPC
architecture.
This will try a speculative page fault without holding the mmap_sem,
if it returns with VM_FAULT_RETRY, the mmap_sem is acquired and the
traditional page fault processing is done.
The speculative path is only tried for mult