Re: [patch 6/7 -mm] oom: avoid oom killer for lowmem allocations
From: Rik van Riel
Date: Wed Feb 10 2010 - 23:13:36 EST
On 02/10/2010 11:32 AM, David Rientjes wrote:
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -1914,6 +1914,9 @@ rebalance:
* running out of options and have to consider going OOM
*/
if (!did_some_progress) {
+ /* The oom killer won't necessarily free lowmem */
+ if (high_zoneidx< ZONE_NORMAL)
+ goto nopage;
if ((gfp_mask& __GFP_FS)&& !(gfp_mask& __GFP_NORETRY)) {
if (oom_killer_disabled)
goto nopage;
Are there architectures that only have one memory zone?
s390 or one of the other virtualized-only architectures perhaps?
--
All rights reversed.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/