[RFC PATCH] mm/oom_kill: allow oom kill allocating task for non-global case

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At the present time, in the context of memcg OOM, even when
sysctl_oom_kill_allocating_task is enabled/or set, the "allocating"
task cannot be selected, as a target for the OOM killer.

This patch removes the restriction entirely.

Signed-off-by: Aaron Tomlin <atomlin@xxxxxxxxxx>
---
 mm/oom_kill.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/mm/oom_kill.c b/mm/oom_kill.c
index eefd3f5fde46..3bae33e2d9c2 100644
--- a/mm/oom_kill.c
+++ b/mm/oom_kill.c
@@ -1089,9 +1089,9 @@ bool out_of_memory(struct oom_control *oc)
 		oc->nodemask = NULL;
 	check_panic_on_oom(oc);
 
-	if (!is_memcg_oom(oc) && sysctl_oom_kill_allocating_task &&
-	    current->mm && !oom_unkillable_task(current) &&
-	    oom_cpuset_eligible(current, oc) &&
+	if (sysctl_oom_kill_allocating_task && current->mm &&
+            !oom_unkillable_task(current) &&
+            oom_cpuset_eligible(current, oc) &&
 	    current->signal->oom_score_adj != OOM_SCORE_ADJ_MIN) {
 		get_task_struct(current);
 		oc->chosen = current;
-- 
2.26.3






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