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-rw-r--r--mm/page_alloc.c17
1 files changed, 2 insertions, 15 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 641d5a9a8617..134e25525044 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -244,8 +244,6 @@ void set_pageblock_migratetype(struct page *page, int migratetype)
PB_migrate, PB_migrate_end);
}
-bool oom_killer_disabled __read_mostly;
-
#ifdef CONFIG_DEBUG_VM
static int page_outside_zone_boundaries(struct zone *zone, struct page *page)
{
@@ -2317,9 +2315,6 @@ __alloc_pages_may_oom(gfp_t gfp_mask, unsigned int order,
*did_some_progress = 0;
- if (oom_killer_disabled)
- return NULL;
-
/*
* Acquire the per-zone oom lock for each zone. If that
* fails, somebody else is making progress for us.
@@ -2331,14 +2326,6 @@ __alloc_pages_may_oom(gfp_t gfp_mask, unsigned int order,
}
/*
- * PM-freezer should be notified that there might be an OOM killer on
- * its way to kill and wake somebody up. This is too early and we might
- * end up not killing anything but false positives are acceptable.
- * See freeze_processes.
- */
- note_oom_kill();
-
- /*
* Go through the zonelist yet one more time, keep very high watermark
* here, this is only to catch a parallel oom killing, we must fail if
* we're still under heavy pressure.
@@ -2372,8 +2359,8 @@ __alloc_pages_may_oom(gfp_t gfp_mask, unsigned int order,
goto out;
}
/* Exhausted what can be done so it's blamo time */
- out_of_memory(ac->zonelist, gfp_mask, order, ac->nodemask, false);
- *did_some_progress = 1;
+ if (out_of_memory(ac->zonelist, gfp_mask, order, ac->nodemask, false))
+ *did_some_progress = 1;
out:
oom_zonelist_unlock(ac->zonelist, gfp_mask);
return page;