On Thu, Aug 14, 2014 at 02:53:30AM +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_mkclean for THP page MADV_FREE support. Acked-by: Will Deacon <will.deacon at arm.com>