[PATCH 0/3] arm64: Use pte manipulation functions for THP

[Will Deacon]

On Wed, Feb 12, 2014 at 10:16:02AM +0000, Catalin Marinas wrote:
> On Wed, Feb 12, 2014 at 10:07:37AM +0000, Will Deacon wrote:
> > On Wed, Feb 12, 2014 at 09:43:39AM +0000, Steve Capper wrote:
> > > On Thu, Feb 06, 2014 at 02:16:08PM +0000, Steve Capper wrote:
> > > > This series replaces the Transparent HugePage pmd manipulation
> > > > functions with calls to the standard pte functions. This allows the THP
> > > > code to take advantage of the new PTE_WRITE logic, and provides better
> > > > parity with the HugeTLB code (which already uses the pte functions).
> > > > 
> > > > Testing was done on the Fast Model with LTP THP tests, and the 3.14-rc1
> > > > kernel was used.
> > > 
> > > Does this series look reasonable?
> > 
> > I was waiting for the corresponding arch/arm/ changes.
> 
> The arch/arm/ code doesn't have the PTE_WRITE changes. It's a bit more
> work here because of the classic MMU (but I hope Steve will get there ;).

Indeed, but I'm wary of divergence in the mm code between the two
architectures and I'd much rather we try to keep them in sync, rather than
improve/bug fix in one before porting the whole lot over.

Will