Re: [PATCH 3/4] mvolatile: Add purged page detection on setting memory non-volatile

2014-04-13 Thread Minchan Kim
On Fri, Apr 11, 2014 at 01:15:39PM -0700, John Stultz wrote: > Users of volatile ranges will need to know if memory was discarded. > This patch adds the purged state tracking required to inform userland > when it marks memory as non-volatile that some memory in that range > was purged and needs to

[PATCH 3/4] mvolatile: Add purged page detection on setting memory non-volatile

2014-04-11 Thread John Stultz
Users of volatile ranges will need to know if memory was discarded. This patch adds the purged state tracking required to inform userland when it marks memory as non-volatile that some memory in that range was purged and needs to be regenerated. This simplified implementation which uses some of th