diff options
| -rw-r--r-- | mm/oom_kill.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/mm/oom_kill.c b/mm/oom_kill.c index 183a964ca61b..a64decb5b13f 100644 --- a/mm/oom_kill.c +++ b/mm/oom_kill.c @@ -28,7 +28,7 @@ int sysctl_panic_on_oom; int sysctl_oom_kill_allocating_task; -static DEFINE_MUTEX(zone_scan_mutex); +static DEFINE_SPINLOCK(zone_scan_mutex); /* #define DEBUG */ /** @@ -396,7 +396,7 @@ int try_set_zone_oom(struct zonelist *zonelist) z = zonelist->zones; - mutex_lock(&zone_scan_mutex); + spin_lock(&zone_scan_mutex); do { if (zone_is_oom_locked(*z)) { ret = 0; @@ -413,7 +413,7 @@ int try_set_zone_oom(struct zonelist *zonelist) zone_set_flag(*z, ZONE_OOM_LOCKED); } while (*(++z) != NULL); out: - mutex_unlock(&zone_scan_mutex); + spin_unlock(&zone_scan_mutex); return ret; } @@ -428,11 +428,11 @@ void clear_zonelist_oom(struct zonelist *zonelist) z = zonelist->zones; - mutex_lock(&zone_scan_mutex); + spin_lock(&zone_scan_mutex); do { zone_clear_flag(*z, ZONE_OOM_LOCKED); } while (*(++z) != NULL); - mutex_unlock(&zone_scan_mutex); + spin_unlock(&zone_scan_mutex); } /** |