diff options
| -rw-r--r-- | mm/memory.c | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/mm/memory.c b/mm/memory.c index 10ef528a5f44..94a5928e8ace 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -4661,10 +4661,8 @@ vm_fault_t do_swap_page(struct vm_fault *vmf) goto out; folio = swap_cache_get_folio(entry); - if (folio) { + if (folio) swap_update_readahead(folio, vma, vmf->address); - page = folio_file_page(folio, swp_offset(entry)); - } swapcache = folio; if (!folio) { @@ -4735,20 +4733,13 @@ vm_fault_t do_swap_page(struct vm_fault *vmf) ret = VM_FAULT_MAJOR; count_vm_event(PGMAJFAULT); count_memcg_event_mm(vma->vm_mm, PGMAJFAULT); - page = folio_file_page(folio, swp_offset(entry)); - } else if (PageHWPoison(page)) { - /* - * hwpoisoned dirty swapcache pages are kept for killing - * owner processes (which may be unknown at hwpoison time) - */ - ret = VM_FAULT_HWPOISON; - goto out_release; } ret |= folio_lock_or_retry(folio, vmf); if (ret & VM_FAULT_RETRY) goto out_release; + page = folio_file_page(folio, swp_offset(entry)); if (swapcache) { /* * Make sure folio_free_swap() or swapoff did not release the @@ -4761,6 +4752,15 @@ vm_fault_t do_swap_page(struct vm_fault *vmf) page_swap_entry(page).val != entry.val)) goto out_page; + if (unlikely(PageHWPoison(page))) { + /* + * hwpoisoned dirty swapcache pages are kept for killing + * owner processes (which may be unknown at hwpoison time) + */ + ret = VM_FAULT_HWPOISON; + goto out_page; + } + /* * KSM sometimes has to copy on read faults, for example, if * folio->index of non-ksm folios would be nonlinear inside the |