1 files changed, 47 insertions, 0 deletions
diff --git a/include/linux/oom.h b/include/linux/oom.h
new file mode 100644
index 00000000000..53766231562
--- /dev/null
+++ b/include/linux/oom.h
@@ -0,0 +1,47 @@
+#ifndef __INCLUDE_LINUX_OOM_H
+#define __INCLUDE_LINUX_OOM_H
+
+/* /proc/<pid>/oom_adj set to -17 protects from the oom-killer */
+#define OOM_DISABLE (-17)
+/* inclusive */
+#define OOM_ADJUST_MIN (-16)
+#define OOM_ADJUST_MAX 15
+
+#ifdef __KERNEL__
+
+#include <linux/types.h>
+#include <linux/nodemask.h>
+
+struct zonelist;
+struct notifier_block;
+
+/*
+ * Types of limitations to the nodes from which allocations may occur
+ */
+enum oom_constraint {
+	CONSTRAINT_NONE,
+	CONSTRAINT_CPUSET,
+	CONSTRAINT_MEMORY_POLICY,
+};
+
+extern int try_set_zone_oom(struct zonelist *zonelist, gfp_t gfp_flags);
+extern void clear_zonelist_oom(struct zonelist *zonelist, gfp_t gfp_flags);
+
+extern void out_of_memory(struct zonelist *zonelist, gfp_t gfp_mask,
+		int order, nodemask_t *mask);
+extern int register_oom_notifier(struct notifier_block *nb);
+extern int unregister_oom_notifier(struct notifier_block *nb);
+
+extern bool oom_killer_disabled;
+
+static inline void oom_killer_disable(void)
+{
+	oom_killer_disabled = true;
+}
+
+static inline void oom_killer_enable(void)
+{
+	oom_killer_disabled = false;
+}
+#endif /* __KERNEL__*/
+#endif /* _INCLUDE_LINUX_OOM_H */