Merge branch 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6

[safe/jmp/linux-2.6] / include / linux / oom.h

diff --git a/include/linux/oom.h b/include/linux/oom.h
index b40bb4e..5376623 100644 (file)
--- a/include/linux/oom.h
+++ b/include/linux/oom.h
@@ -1,8 +1,6 @@
 #ifndef __INCLUDE_LINUX_OOM_H
 #define __INCLUDE_LINUX_OOM_H
 
-#include <linux/sched.h>
-
 /* /proc/<pid>/oom_adj set to -17 protects from the oom-killer */
 #define OOM_DISABLE (-17)
 /* inclusive */
@@ -11,9 +9,39 @@
 
 #ifdef __KERNEL__
 
-extern void out_of_memory(struct zonelist *zonelist, gfp_t gfp_mask, int order);
+#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 */