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[linux-2.6.git] / mm / mlock.c

diff --git a/mm/mlock.c b/mm/mlock.c
index aa3f047..2124d30 100644 (file)
--- a/mm/mlock.c
+++ b/mm/mlock.c
@@ -200,36 +200,3 @@ asmlinkage long sys_munlockall(void)
        up_write(&current->mm->mmap_sem);
        return ret;
 }
-
-/*
- * Objects with different lifetime than processes (SHM_LOCK and SHM_HUGETLB
- * shm segments) get accounted against the user_struct instead.
- */
-static spinlock_t shmlock_user_lock = SPIN_LOCK_UNLOCKED;
-
-int user_shm_lock(size_t size, struct user_struct *user)
-{
-       unsigned long lock_limit, locked;
-       int allowed = 0;
-
-       spin_lock(&shmlock_user_lock);
-       locked = size >> PAGE_SHIFT;
-       lock_limit = current->rlim[RLIMIT_MEMLOCK].rlim_cur;
-       lock_limit >>= PAGE_SHIFT;
-       if (locked + user->locked_shm > lock_limit && !capable(CAP_IPC_LOCK))
-               goto out;
-       get_uid(user);
-       user->locked_shm += locked;
-       allowed = 1;
-out:
-       spin_unlock(&shmlock_user_lock);
-       return allowed;
-}
-
-void user_shm_unlock(size_t size, struct user_struct *user)
-{
-       spin_lock(&shmlock_user_lock);
-       user->locked_shm -= (size >> PAGE_SHIFT);
-       spin_unlock(&shmlock_user_lock);
-       free_uid(user);
-}