[PATCH v10 6/7] ARM: add pmd_[dirty|mkclean] for THP

[Will Deacon]

On Mon, Jul 07, 2014 at 01:53:57AM +0100, Minchan Kim wrote:
> MADV_FREE needs pmd_dirty and pmd_mkclean for detecting recent
> overwrite of the contents since MADV_FREE syscall is called for
> THP page.
> 
> This patch adds pmd_dirty and pmd_mkclean for THP page MADV_FREE
> support.

Looks fine to me, but it would be good if Steve can take a look too.

BTW: the subject of the patch says 'ARM:' but this only affects arm64. Is
there a corresponding patch for arch/arm/ too?

Will