mm: have zonelist contains structs with both a zone pointer and zone_idx

[sfrench/cifs-2.6.git] / include / linux / oom.h

diff --git a/include/linux/oom.h b/include/linux/oom.h
index ad76463629a019f189926334f16e5e8736228b73..a7979baf1e39b102948698ebf46551db5f2034ca 100644 (file)
--- a/include/linux/oom.h
+++ b/include/linux/oom.h
@@ -7,4 +7,28 @@
 #define OOM_ADJUST_MIN (-16)
 #define OOM_ADJUST_MAX 15
 
-#endif
+#ifdef __KERNEL__
+
+#include <linux/types.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);
+extern int register_oom_notifier(struct notifier_block *nb);
+extern int unregister_oom_notifier(struct notifier_block *nb);
+
+#endif /* __KERNEL__*/
+#endif /* _INCLUDE_LINUX_OOM_H */