diff options
Diffstat (limited to 'ipc/shm.c')
| -rw-r--r-- | ipc/shm.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/ipc/shm.c b/ipc/shm.c index e77ec698cf40..0add3fa5f547 100644 --- a/ipc/shm.c +++ b/ipc/shm.c @@ -737,6 +737,10 @@ asmlinkage long sys_shmctl(int shmid, int cmd, struct shmid_ds __user *buf) case SHM_LOCK: case SHM_UNLOCK: { + struct file *uninitialized_var(shm_file); + + lru_add_drain_all(); /* drain pagevecs to lru lists */ + shp = shm_lock_check(ns, shmid); if (IS_ERR(shp)) { err = PTR_ERR(shp); |