On 03/15/2017 06:24 AM, Minchan Kim wrote: > try_to_munlock returns SWAP_MLOCK if the one of VMAs mapped > the page has VM_LOCKED flag. In that time, VM set PG_mlocked to > the page if the page is not pte-mapped THP which cannot be > mlocked, either. > > With that, __munlock_isolated_page can use PageMlocked to check > whether try_to_munlock is successful or not without relying on > try_to_munlock's retval. It helps to make try_to_unmap/try_to_unmap_one > simple with upcoming patches. > > Cc: Vlastimil Babka <vbabka@xxxxxxx> > Acked-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx> > Signed-off-by: Minchan Kim <minchan@xxxxxxxxxx> Acked-by: Vlastimil Babka <vbabka@xxxxxxx> -- 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>
