subject:"\[PATCH v13 7\/8\] arm64\: add pmd_\[dirty\|mkclean\] for THP"

Re: [PATCH v13 7/8] arm64: add pmd_[dirty|mkclean] for THP

2014-07-18 Thread Steve Capper

On Fri, Jul 18, 2014 at 03:53:05PM +0900, 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. > > Cc: Catal

[PATCH v13 7/8] arm64: add pmd_[dirty|mkclean] for THP

2014-07-17 Thread Minchan Kim

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. Cc: Catalin Marinas Cc: Will Deacon Cc: Steve Capper Cc: Russell King Cc: linux-ar