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-rw-r--r--mm/memcontrol.c2
-rw-r--r--mm/oom_kill.c13
2 files changed, 10 insertions, 5 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 4ead5a4817de..e79cb59552d9 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -1701,8 +1701,6 @@ static enum oom_status mem_cgroup_oom(struct mem_cgroup *memcg, gfp_t mask, int
if (mem_cgroup_out_of_memory(memcg, mask, order))
return OOM_SUCCESS;
- WARN(1,"Memory cgroup charge failed because of no reclaimable memory! "
- "This looks like a misconfiguration or a kernel bug.");
return OOM_FAILED;
}
diff --git a/mm/oom_kill.c b/mm/oom_kill.c
index b5b25e4dcbbb..95fbbc46f68f 100644
--- a/mm/oom_kill.c
+++ b/mm/oom_kill.c
@@ -1103,10 +1103,17 @@ bool out_of_memory(struct oom_control *oc)
}
select_bad_process(oc);
- /* Found nothing?!?! Either we hang forever, or we panic. */
- if (!oc->chosen && !is_sysrq_oom(oc) && !is_memcg_oom(oc)) {
+ /* Found nothing?!?! */
+ if (!oc->chosen) {
dump_header(oc, NULL);
- panic("Out of memory and no killable processes...\n");
+ pr_warn("Out of memory and no killable processes...\n");
+ /*
+ * If we got here due to an actual allocation at the
+ * system level, we cannot survive this and will enter
+ * an endless loop in the allocator. Bail out now.
+ */
+ if (!is_sysrq_oom(oc) && !is_memcg_oom(oc))
+ panic("System is deadlocked on memory\n");
}
if (oc->chosen && oc->chosen != (void *)-1UL)
oom_kill_process(oc, !is_memcg_oom(oc) ? "Out of memory" :