> > It didn't really help, I'm afraid: it reduces the actual number of OOM > kills which occur before the job is terminated, but doesn't stop the > job from being terminated very soon. > > I also tried Hillf's patch (separately) too, but as you expected, > it didn't seem to make any difference. > Perhaps non-costly means NOFAIL as shown by folding the two patches into one. Can it make any sense? thanks Hillf --- a/mm/page_alloc.c Thu Feb 25 15:43:18 2016 +++ b/mm/page_alloc.c Fri Feb 26 15:18:55 2016 @@ -3113,6 +3113,8 @@ should_reclaim_retry(gfp_t gfp_mask, uns struct zone *zone; struct zoneref *z; + if (order <= PAGE_ALLOC_COSTLY_ORDER) + return true; /* * Make sure we converge to OOM if we cannot make any progress * several times in the row. -- -- 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>