bool *new_page_allocated)
{
struct swap_info_struct *si;
- struct page *page;
+ struct folio *folio;
void *shadow = NULL;
*new_page_allocated = false;
si = get_swap_device(entry);
if (!si)
return NULL;
- page = find_get_page(swap_address_space(entry),
- swp_offset(entry));
+ folio = filemap_get_folio(swap_address_space(entry),
+ swp_offset(entry));
put_swap_device(si);
- if (page)
- return page;
+ if (folio)
+ return folio_file_page(folio, swp_offset(entry));
/*
* Just skip read ahead for unused swap slot.
* before marking swap_map SWAP_HAS_CACHE, when -EEXIST will
* cause any racers to loop around until we add it to cache.
*/
- page = alloc_page_vma(gfp_mask, vma, addr);
- if (!page)
+ folio = vma_alloc_folio(gfp_mask, 0, vma, addr, false);
+ if (!folio)
return NULL;
/*
if (!err)
break;
- put_page(page);
+ folio_put(folio);
if (err != -EEXIST)
return NULL;
* The swap entry is ours to swap in. Prepare the new page.
*/
- __SetPageLocked(page);
- __SetPageSwapBacked(page);
+ __folio_set_locked(folio);
+ __folio_set_swapbacked(folio);
- if (mem_cgroup_swapin_charge_page(page, NULL, gfp_mask, entry))
+ if (mem_cgroup_swapin_charge_page(&folio->page, NULL, gfp_mask, entry))
goto fail_unlock;
/* May fail (-ENOMEM) if XArray node allocation failed. */
- if (add_to_swap_cache(page, entry, gfp_mask & GFP_RECLAIM_MASK, &shadow))
+ if (add_to_swap_cache(&folio->page, entry, gfp_mask & GFP_RECLAIM_MASK, &shadow))
goto fail_unlock;
mem_cgroup_swapin_uncharge_swap(entry);
if (shadow)
- workingset_refault(page_folio(page), shadow);
+ workingset_refault(folio, shadow);
- /* Caller will initiate read into locked page */
- lru_cache_add(page);
+ /* Caller will initiate read into locked folio */
+ folio_add_lru(folio);
*new_page_allocated = true;
- return page;
+ return &folio->page;
fail_unlock:
- put_swap_page(page, entry);
- unlock_page(page);
- put_page(page);
+ put_swap_page(&folio->page, entry);
+ folio_unlock(folio);
+ folio_put(folio);
return NULL;
}