Re: [PATCH 0/3] OOM detection rework v4

[Hillf Danton]

> 
> 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.
--