diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/mmzone.h | 5 | ||||
| -rw-r--r-- | include/linux/oom.h | 3 |
2 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index bad9486ee0cc..9011505e740d 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -344,6 +344,7 @@ struct zone { typedef enum { ZONE_ALL_UNRECLAIMABLE, /* all pages pinned */ ZONE_RECLAIM_LOCKED, /* prevents concurrent reclaim */ + ZONE_OOM_LOCKED, /* zone is in OOM killer zonelist */ } zone_flags_t; static inline void zone_set_flag(struct zone *zone, zone_flags_t flag) @@ -363,6 +364,10 @@ static inline int zone_is_reclaim_locked(const struct zone *zone) { return test_bit(ZONE_RECLAIM_LOCKED, &zone->flags); } +static inline int zone_is_oom_locked(const struct zone *zone) +{ + return test_bit(ZONE_OOM_LOCKED, &zone->flags); +} /* * The "priority" of VM scanning is how much of the queues we will scan in one diff --git a/include/linux/oom.h b/include/linux/oom.h index cf6ebf5b422c..e9081200cdb7 100644 --- a/include/linux/oom.h +++ b/include/linux/oom.h @@ -20,6 +20,9 @@ enum oom_constraint { CONSTRAINT_MEMORY_POLICY, }; +extern int try_set_zone_oom(struct zonelist *zonelist); +extern void clear_zonelist_oom(struct zonelist *zonelist); + 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); |