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-rw-r--r--mm/mlock.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/mm/mlock.c b/mm/mlock.c
index 4d3fea267e0d..7b2656055d6a 100644
--- a/mm/mlock.c
+++ b/mm/mlock.c
@@ -244,9 +244,12 @@ int user_shm_lock(size_t size, struct user_struct *user)
locked = (size + PAGE_SIZE - 1) >> PAGE_SHIFT;
lock_limit = current->signal->rlim[RLIMIT_MEMLOCK].rlim_cur;
+ if (lock_limit == RLIM_INFINITY)
+ allowed = 1;
lock_limit >>= PAGE_SHIFT;
spin_lock(&shmlock_user_lock);
- if (locked + user->locked_shm > lock_limit && !capable(CAP_IPC_LOCK))
+ if (!allowed &&
+ locked + user->locked_shm > lock_limit && !capable(CAP_IPC_LOCK))
goto out;
get_uid(user);
user->locked_shm += locked;