{
if (capable(CAP_IPC_LOCK))
return 1;
- if (current->signal->rlim[RLIMIT_MEMLOCK].rlim_cur != 0)
+ if (rlimit(RLIMIT_MEMLOCK) != 0)
return 1;
return 0;
}
locked = len >> PAGE_SHIFT;
locked += current->mm->locked_vm;
- lock_limit = current->signal->rlim[RLIMIT_MEMLOCK].rlim_cur;
+ lock_limit = rlimit(RLIMIT_MEMLOCK);
lock_limit >>= PAGE_SHIFT;
/* check against resource limits */
down_write(¤t->mm->mmap_sem);
- lock_limit = current->signal->rlim[RLIMIT_MEMLOCK].rlim_cur;
+ lock_limit = rlimit(RLIMIT_MEMLOCK);
lock_limit >>= PAGE_SHIFT;
ret = -ENOMEM;
int allowed = 0;
locked = (size + PAGE_SIZE - 1) >> PAGE_SHIFT;
- lock_limit = current->signal->rlim[RLIMIT_MEMLOCK].rlim_cur;
+ lock_limit = rlimit(RLIMIT_MEMLOCK);
if (lock_limit == RLIM_INFINITY)
allowed = 1;
lock_limit >>= PAGE_SHIFT;
spin_unlock(&shmlock_user_lock);
free_uid(user);
}
-
-int account_locked_memory(struct mm_struct *mm, struct rlimit *rlim,
- size_t size)
-{
- unsigned long lim, vm, pgsz;
- int error = -ENOMEM;
-
- pgsz = PAGE_ALIGN(size) >> PAGE_SHIFT;
-
- down_write(&mm->mmap_sem);
-
- lim = rlim[RLIMIT_AS].rlim_cur >> PAGE_SHIFT;
- vm = mm->total_vm + pgsz;
- if (lim < vm)
- goto out;
-
- lim = rlim[RLIMIT_MEMLOCK].rlim_cur >> PAGE_SHIFT;
- vm = mm->locked_vm + pgsz;
- if (lim < vm)
- goto out;
-
- mm->total_vm += pgsz;
- mm->locked_vm += pgsz;
-
- error = 0;
- out:
- up_write(&mm->mmap_sem);
- return error;
-}
-
-void refund_locked_memory(struct mm_struct *mm, size_t size)
-{
- unsigned long pgsz = PAGE_ALIGN(size) >> PAGE_SHIFT;
-
- down_write(&mm->mmap_sem);
-
- mm->total_vm -= pgsz;
- mm->locked_vm -= pgsz;
-
- up_write(&mm->mmap_sem);
-}