static int swapin_walk_pmd_entry(pmd_t *pmd, unsigned long start,
unsigned long end, struct mm_walk *walk)
{
- pte_t *orig_pte;
struct vm_area_struct *vma = walk->private;
unsigned long index;
struct swap_iocb *splug = NULL;
swp_entry_t entry;
struct page *page;
spinlock_t *ptl;
+ pte_t *ptep;
- orig_pte = pte_offset_map_lock(vma->vm_mm, pmd, start, &ptl);
- pte = *(orig_pte + ((index - start) / PAGE_SIZE));
- pte_unmap_unlock(orig_pte, ptl);
+ ptep = pte_offset_map_lock(vma->vm_mm, pmd, index, &ptl);
+ pte = *ptep;
+ pte_unmap_unlock(ptep, ptl);
- if (pte_present(pte) || pte_none(pte))
+ if (!is_swap_pte(pte))
continue;
entry = pte_to_swp_entry(pte);
if (unlikely(non_swap_entry(entry)))
continue;
page = vm_normal_page(vma, addr, ptent);
- if (!page)
+ if (!page || is_zone_device_page(page))
continue;
/*
}
page = vm_normal_page(vma, addr, ptent);
- if (!page)
+ if (!page || is_zone_device_page(page))
continue;
/*
} else {
pr_info("Injecting memory failure for pfn %#lx at process virtual address %#lx\n",
pfn, start);
- ret = memory_failure(pfn, MF_COUNT_INCREASED);
+ ret = memory_failure(pfn, MF_COUNT_INCREASED | MF_SW_SIMULATED);
if (ret == -EOPNOTSUPP)
ret = 0;
}