"Smarter retry of costly-order allocations" patch series change behaver of do_try_to_free_pages(). but unfortunately ret variable tyep unchanged. thus, overflow problem is possible. Signed-off-by: KOSAKI Motohiro --- mm/vmscan.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) Index: b/mm/vmscan.c =================================================================== --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -1317,7 +1317,7 @@ static unsigned long do_try_to_free_page struct scan_control *sc) { int priority; - int ret = 0; + unsigned long ret = 0; unsigned long total_scanned = 0; unsigned long nr_reclaimed = 0; struct reclaim_state *reclaim_state = current->reclaim_state; -- -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org