48 lines
1.1 KiB
C
48 lines
1.1 KiB
C
#ifndef __INCLUDE_LINUX_OOM_H
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#define __INCLUDE_LINUX_OOM_H
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/* /proc/<pid>/oom_adj set to -17 protects from the oom-killer */
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#define OOM_DISABLE (-17)
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/* inclusive */
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#define OOM_ADJUST_MIN (-16)
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#define OOM_ADJUST_MAX 15
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#ifdef __KERNEL__
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#include <linux/types.h>
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#include <linux/nodemask.h>
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struct zonelist;
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struct notifier_block;
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/*
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* Types of limitations to the nodes from which allocations may occur
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*/
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enum oom_constraint {
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CONSTRAINT_NONE,
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CONSTRAINT_CPUSET,
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CONSTRAINT_MEMORY_POLICY,
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};
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extern int try_set_zone_oom(struct zonelist *zonelist, gfp_t gfp_flags);
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extern void clear_zonelist_oom(struct zonelist *zonelist, gfp_t gfp_flags);
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extern void out_of_memory(struct zonelist *zonelist, gfp_t gfp_mask,
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int order, nodemask_t *mask);
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extern int register_oom_notifier(struct notifier_block *nb);
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extern int unregister_oom_notifier(struct notifier_block *nb);
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extern bool oom_killer_disabled;
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static inline void oom_killer_disable(void)
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{
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oom_killer_disabled = true;
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}
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static inline void oom_killer_enable(void)
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{
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oom_killer_disabled = false;
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}
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#endif /* __KERNEL__*/
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#endif /* _INCLUDE_LINUX_OOM_H */
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