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-rw-r--r--include/linux/mmzone.h5
1 files changed, 5 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 {
344typedef enum { 344typedef enum {
345 ZONE_ALL_UNRECLAIMABLE, /* all pages pinned */ 345 ZONE_ALL_UNRECLAIMABLE, /* all pages pinned */
346 ZONE_RECLAIM_LOCKED, /* prevents concurrent reclaim */ 346 ZONE_RECLAIM_LOCKED, /* prevents concurrent reclaim */
347 ZONE_OOM_LOCKED, /* zone is in OOM killer zonelist */
347} zone_flags_t; 348} zone_flags_t;
348 349
349static inline void zone_set_flag(struct zone *zone, zone_flags_t flag) 350static 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)
363{ 364{
364 return test_bit(ZONE_RECLAIM_LOCKED, &zone->flags); 365 return test_bit(ZONE_RECLAIM_LOCKED, &zone->flags);
365} 366}
367static inline int zone_is_oom_locked(const struct zone *zone)
368{
369 return test_bit(ZONE_OOM_LOCKED, &zone->flags);
370}
366 371
367/* 372/*
368 * The "priority" of VM scanning is how much of the queues we will scan in one 373 * The "priority" of VM scanning is how much of the queues we will scan in one