[PATCH v2 0/4] ARM: mm: HugeTLB + THP support.

Will Deacon will.deacon at arm.com
Tue Jun 4 09:03:29 EDT 2013


On Tue, Jun 04, 2013 at 01:56:12PM +0100, Steve Capper wrote:
> On Mon, Jun 03, 2013 at 11:40:11AM +0100, Steve Capper wrote:
> > On Thu, May 23, 2013 at 04:31:16PM +0100, Steve Capper wrote:
> > > The following patches bring both HugeTLB support and Transparent
> > > HugePage (THP) support to ARM.
> > > 
> > > Only long descriptors (LPAE) are supported in this series.
> > > 
> > > The code has been tested on an Arndale board (Exynos 5250).
> > > 
> > > This patch set is based on 3.10-rc2.
> > > 
> > > Major changes since the Patch:
> > >  * LPAE code has been separated from non-LPAE code (this series
> > >    is the LPAE code).
> > >  * PROT_NONE support for HugeTLB and THP has been implemented.
> > > 
> > > Major changes since the RFC:
> > >  * huge pmd sharing removed from the 3-level code as this was
> > >    found to be very rarely, if ever?, used. This allowed for some
> > >    code simplification.
> > > 
> > >  * hardware pmd bits for 2-levels of paging are now taken from
> > >    mmu.c. Also the mapping code now uses pte/pmd bit helper
> > >    functions rather than the custom pre-processor logic.
> > > 
> > > Cheers,
> > > -- 
> > > Steve
> > > 
> > 
> > Hello,
> > I was wondering if anyone had any further comments on this series?
> > 
> > Russell,
> > Are you happy for these to go into your patch system, or should anything be
> > changed?
> > 
> > Thanks,
> > -- 
> > Steve 
> 
> Just a polite ping on the above.
> 
> Are people happy to have this patch set merged?

Looks good to me, but worth checking that it doesn't conflict with the LPAE
fixes I plan to send for 3.11 (since they're not terribly critical):

  https://git.kernel.org/cgit/linux/kernel/git/will/linux.git/log/?h=for-rmk/lpae

Of course, I can fix things up in my branch if necessary (just send me a
pointer to your git repo).

Cheers,

Will



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