On Thu, Aug 01, 2013 at 10:28:14AM +0400, Cyrill Gorcunov wrote: > On Thu, Aug 01, 2013 at 03:16:32PM +0900, Minchan Kim wrote: > > > > I don't get it. Could you correct me with below example? > > > > Process A context > > try_to_unmap > > swp_pte = swp_entry_to_pte /* change generic swp into arch swap */ > > swp_pte = pte_swp_mksoft_dirty(swp_pte); > > set_pte_at(, swp_pte); > > > > Process A context > > .. > > mincore_pte_range > pte_t pte = *ptep; <-- local copy of the pte value, in memory it remains the same > with swap softdirty bit set Argh, I missed that. Thank you! Reviewed-by: Minchan Kim <minchan@xxxxxxxxxx> -- Kind regards, Minchan Kim -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>