| Alexey Dobriyan | 8ac773b | 2006-10-19 23:28:32 -0700 | [diff] [blame] | 1 | #ifndef __INCLUDE_LINUX_OOM_H |
| 2 | #define __INCLUDE_LINUX_OOM_H |
| 3 | |
| 4 | /* /proc/<pid>/oom_adj set to -17 protects from the oom-killer */ |
| 5 | #define OOM_DISABLE (-17) |
| 6 | /* inclusive */ |
| 7 | #define OOM_ADJUST_MIN (-16) |
| 8 | #define OOM_ADJUST_MAX 15 |
| 9 | |
| David Rientjes | 5a3135c | 2007-10-16 23:25:53 -0700 | [diff] [blame] | 10 | #ifdef __KERNEL__ |
| 11 | |
| David Rientjes | 172acf6 | 2007-10-16 23:25:59 -0700 | [diff] [blame] | 12 | #include <linux/types.h> |
| 13 | |
| 14 | struct zonelist; |
| 15 | struct notifier_block; |
| 16 | |
| David Rientjes | 70e24bd | 2007-10-16 23:25:53 -0700 | [diff] [blame] | 17 | /* |
| 18 | * Types of limitations to the nodes from which allocations may occur |
| 19 | */ |
| 20 | enum oom_constraint { |
| 21 | CONSTRAINT_NONE, |
| 22 | CONSTRAINT_CPUSET, |
| 23 | CONSTRAINT_MEMORY_POLICY, |
| 24 | }; |
| 25 | |
| Mel Gorman | dd1a239 | 2008-04-28 02:12:17 -0700 | [diff] [blame] | 26 | extern int try_set_zone_oom(struct zonelist *zonelist, gfp_t gfp_flags); |
| 27 | extern void clear_zonelist_oom(struct zonelist *zonelist, gfp_t gfp_flags); |
| David Rientjes | 098d7f1 | 2007-10-16 23:25:55 -0700 | [diff] [blame] | 28 | |
| David Rientjes | 5a3135c | 2007-10-16 23:25:53 -0700 | [diff] [blame] | 29 | extern void out_of_memory(struct zonelist *zonelist, gfp_t gfp_mask, int order); |
| 30 | extern int register_oom_notifier(struct notifier_block *nb); |
| 31 | extern int unregister_oom_notifier(struct notifier_block *nb); |
| 32 | |
| 33 | #endif /* __KERNEL__*/ |
| 34 | #endif /* _INCLUDE_LINUX_OOM_H */ |