* of a chain of data-dependent loads, meaning most CPUs (alpha
* being the notable exception) will already guarantee loads are
* seen in-order. See the alpha page table accessors for the
- * smp_read_barrier_depends() barriers in page table walking code.
+ * smp_rmb() barriers in page table walking code.
*/
smp_wmb(); /* Could be smp_wmb__xxx(before|after)_spin_lock */
return insert_pages(vma, addr, pages, num, vma->vm_page_prot);
#else
unsigned long idx = 0, pgcount = *num;
- int err;
+ int err = -EINVAL;
for (; idx < pgcount; ++idx) {
err = vm_insert_page(vma, addr + (PAGE_SIZE * idx), pages[idx]);