On 03/02/2017 12:09 PM, Minchan Kim wrote: > If we found lazyfree page is dirty, ttuo can just SetPageSwapBakced > in there like PG_mlocked page and just return with SWAP_FAIL which > is very natural because the page is not swappable right now so that > vmscan can activate it. There is no point to introduce new return > value SWAP_DIRTY in ttu at the moment.
Yeah makes sense. In the process, SetPageSwapBacked marking of the page is moved from the shrink_page_list() to try_to_unmap_one().
