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-rw-r--r--include/linux/oom.h14
1 files changed, 13 insertions, 1 deletions
diff --git a/include/linux/oom.h b/include/linux/oom.h
index 40e5e3a6bc20..73b8d7b6dd19 100644
--- a/include/linux/oom.h
+++ b/include/linux/oom.h
@@ -1,14 +1,24 @@
#ifndef __INCLUDE_LINUX_OOM_H
#define __INCLUDE_LINUX_OOM_H
-/* /proc/<pid>/oom_adj set to -17 protects from the oom-killer */
+/*
+ * /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
+/*
+ * /proc/<pid>/oom_score_adj set to OOM_SCORE_ADJ_MIN disables oom killing for
+ * pid.
+ */
+#define OOM_SCORE_ADJ_MIN (-1000)
+#define OOM_SCORE_ADJ_MAX 1000
+
#ifdef __KERNEL__
+#include <linux/sched.h>
#include <linux/types.h>
#include <linux/nodemask.h>
@@ -27,6 +37,8 @@ enum oom_constraint {
CONSTRAINT_MEMCG,
};
+extern unsigned int oom_badness(struct task_struct *p, struct mem_cgroup *mem,
+ const nodemask_t *nodemask, unsigned long totalpages);
extern int try_set_zonelist_oom(struct zonelist *zonelist, gfp_t gfp_flags);
extern void clear_zonelist_oom(struct zonelist *zonelist, gfp_t gfp_flags);